forked from OSchip/llvm-project
2322 lines
78 KiB
C++
2322 lines
78 KiB
C++
//===- unittest/Format/FormatTestJS.cpp - Formatting unit tests for JS ----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "FormatTestUtils.h"
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#include "clang/Format/Format.h"
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#include "llvm/Support/Debug.h"
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#include "gtest/gtest.h"
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#define DEBUG_TYPE "format-test"
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namespace clang {
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namespace format {
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class FormatTestJS : public ::testing::Test {
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protected:
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static std::string format(llvm::StringRef Code, unsigned Offset,
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unsigned Length, const FormatStyle &Style) {
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LLVM_DEBUG(llvm::errs() << "---\n");
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LLVM_DEBUG(llvm::errs() << Code << "\n\n");
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std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
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FormattingAttemptStatus Status;
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tooling::Replacements Replaces =
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reformat(Style, Code, Ranges, "<stdin>", &Status);
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EXPECT_TRUE(Status.FormatComplete);
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auto Result = applyAllReplacements(Code, Replaces);
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EXPECT_TRUE(static_cast<bool>(Result));
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LLVM_DEBUG(llvm::errs() << "\n" << *Result << "\n\n");
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return *Result;
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}
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static std::string format(
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llvm::StringRef Code,
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const FormatStyle &Style = getGoogleStyle(FormatStyle::LK_JavaScript)) {
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return format(Code, 0, Code.size(), Style);
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}
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static FormatStyle getGoogleJSStyleWithColumns(unsigned ColumnLimit) {
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FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
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Style.ColumnLimit = ColumnLimit;
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return Style;
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}
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static void verifyFormat(
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llvm::StringRef Code,
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const FormatStyle &Style = getGoogleStyle(FormatStyle::LK_JavaScript)) {
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EXPECT_EQ(Code.str(), format(Code, Style))
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<< "Expected code is not stable";
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std::string Result = format(test::messUp(Code), Style);
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EXPECT_EQ(Code.str(), Result) << "Formatted:\n" << Result;
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}
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static void verifyFormat(
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llvm::StringRef Expected,
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llvm::StringRef Code,
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const FormatStyle &Style = getGoogleStyle(FormatStyle::LK_JavaScript)) {
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EXPECT_EQ(Expected.str(), format(Expected, Style))
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<< "Expected code is not stable";
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std::string Result = format(Code, Style);
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EXPECT_EQ(Expected.str(), Result) << "Formatted:\n" << Result;
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}
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};
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TEST_F(FormatTestJS, BlockComments) {
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verifyFormat("/* aaaaaaaaaaaaa */ aaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
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" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
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// Breaks after a single line block comment.
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EXPECT_EQ("aaaaa = bbbb.ccccccccccccccc(\n"
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" /** @type_{!cccc.rrrrrrr.MMMMMMMMMMMM.LLLLLLLLLLL.lala} */\n"
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" mediaMessage);",
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format("aaaaa = bbbb.ccccccccccccccc(\n"
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" /** "
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"@type_{!cccc.rrrrrrr.MMMMMMMMMMMM.LLLLLLLLLLL.lala} */ "
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"mediaMessage);",
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getGoogleJSStyleWithColumns(70)));
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// Breaks after a multiline block comment.
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EXPECT_EQ(
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"aaaaa = bbbb.ccccccccccccccc(\n"
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" /**\n"
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" * @type_{!cccc.rrrrrrr.MMMMMMMMMMMM.LLLLLLLLLLL.lala}\n"
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" */\n"
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" mediaMessage);",
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format("aaaaa = bbbb.ccccccccccccccc(\n"
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" /**\n"
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" * @type_{!cccc.rrrrrrr.MMMMMMMMMMMM.LLLLLLLLLLL.lala}\n"
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" */ mediaMessage);",
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getGoogleJSStyleWithColumns(70)));
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}
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TEST_F(FormatTestJS, JSDocComments) {
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// Break the first line of a multiline jsdoc comment.
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EXPECT_EQ("/**\n"
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" * jsdoc line 1\n"
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" * jsdoc line 2\n"
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" */",
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format("/** jsdoc line 1\n"
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" * jsdoc line 2\n"
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" */",
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getGoogleJSStyleWithColumns(20)));
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// Both break after '/**' and break the line itself.
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EXPECT_EQ("/**\n"
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" * jsdoc line long\n"
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" * long jsdoc line 2\n"
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" */",
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format("/** jsdoc line long long\n"
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" * jsdoc line 2\n"
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" */",
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getGoogleJSStyleWithColumns(20)));
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// Break a short first line if the ending '*/' is on a newline.
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EXPECT_EQ("/**\n"
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" * jsdoc line 1\n"
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" */",
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format("/** jsdoc line 1\n"
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" */", getGoogleJSStyleWithColumns(20)));
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// Don't break the first line of a short single line jsdoc comment.
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EXPECT_EQ("/** jsdoc line 1 */",
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format("/** jsdoc line 1 */", getGoogleJSStyleWithColumns(20)));
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// Don't break the first line of a single line jsdoc comment if it just fits
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// the column limit.
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EXPECT_EQ("/** jsdoc line 12 */",
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format("/** jsdoc line 12 */", getGoogleJSStyleWithColumns(20)));
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// Don't break after '/**' and before '*/' if there is no space between
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// '/**' and the content.
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EXPECT_EQ(
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"/*** nonjsdoc long\n"
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" * line */",
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format("/*** nonjsdoc long line */", getGoogleJSStyleWithColumns(20)));
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EXPECT_EQ(
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"/**strange long long\n"
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" * line */",
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format("/**strange long long line */", getGoogleJSStyleWithColumns(20)));
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// Break the first line of a single line jsdoc comment if it just exceeds the
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// column limit.
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EXPECT_EQ("/**\n"
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" * jsdoc line 123\n"
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" */",
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format("/** jsdoc line 123 */", getGoogleJSStyleWithColumns(20)));
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// Break also if the leading indent of the first line is more than 1 column.
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EXPECT_EQ("/**\n"
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" * jsdoc line 123\n"
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" */",
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format("/** jsdoc line 123 */", getGoogleJSStyleWithColumns(20)));
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// Break also if the leading indent of the first line is more than 1 column.
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EXPECT_EQ("/**\n"
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" * jsdoc line 123\n"
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" */",
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format("/** jsdoc line 123 */", getGoogleJSStyleWithColumns(20)));
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// Break after the content of the last line.
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EXPECT_EQ("/**\n"
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" * line 1\n"
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" * line 2\n"
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" */",
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format("/**\n"
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" * line 1\n"
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" * line 2 */",
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getGoogleJSStyleWithColumns(20)));
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// Break both the content and after the content of the last line.
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EXPECT_EQ("/**\n"
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" * line 1\n"
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" * line long long\n"
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" * long\n"
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" */",
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format("/**\n"
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" * line 1\n"
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" * line long long long */",
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getGoogleJSStyleWithColumns(20)));
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// The comment block gets indented.
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EXPECT_EQ("function f() {\n"
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" /**\n"
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" * comment about\n"
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" * x\n"
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" */\n"
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" var x = 1;\n"
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"}",
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format("function f() {\n"
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"/** comment about x */\n"
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"var x = 1;\n"
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"}",
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getGoogleJSStyleWithColumns(20)));
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// Don't break the first line of a single line short jsdoc comment pragma.
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EXPECT_EQ("/** @returns j */",
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format("/** @returns j */",
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getGoogleJSStyleWithColumns(20)));
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// Break a single line long jsdoc comment pragma.
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EXPECT_EQ("/**\n"
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" * @returns {string} jsdoc line 12\n"
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" */",
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format("/** @returns {string} jsdoc line 12 */",
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getGoogleJSStyleWithColumns(20)));
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EXPECT_EQ("/**\n"
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" * @returns {string}\n"
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" * jsdoc line 12\n"
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" */",
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format("/** @returns {string} jsdoc line 12 */",
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getGoogleJSStyleWithColumns(25)));
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EXPECT_EQ("/**\n"
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" * @returns {string} jsdoc line 12\n"
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" */",
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format("/** @returns {string} jsdoc line 12 */",
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getGoogleJSStyleWithColumns(20)));
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// FIXME: this overcounts the */ as a continuation of the 12 when breaking.
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// Related to the FIXME in BreakableBlockComment::getRangeLength.
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EXPECT_EQ("/**\n"
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" * @returns {string}\n"
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" * jsdoc line line\n"
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" * 12\n"
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" */",
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format("/** @returns {string} jsdoc line line 12*/",
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getGoogleJSStyleWithColumns(25)));
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// Fix a multiline jsdoc comment ending in a comment pragma.
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EXPECT_EQ("/**\n"
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" * line 1\n"
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" * line 2\n"
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" * @returns {string}\n"
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" * jsdoc line 12\n"
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" */",
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format("/** line 1\n"
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" * line 2\n"
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" * @returns {string} jsdoc line 12 */",
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getGoogleJSStyleWithColumns(20)));
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EXPECT_EQ("/**\n"
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" * line 1\n"
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" * line 2\n"
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" *\n"
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" * @returns j\n"
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" */",
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format("/** line 1\n"
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" * line 2\n"
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" *\n"
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" * @returns j */",
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getGoogleJSStyleWithColumns(20)));
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}
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TEST_F(FormatTestJS, UnderstandsJavaScriptOperators) {
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verifyFormat("a == = b;");
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verifyFormat("a != = b;");
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verifyFormat("a === b;");
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verifyFormat("aaaaaaa ===\n b;", getGoogleJSStyleWithColumns(10));
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verifyFormat("a !== b;");
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verifyFormat("aaaaaaa !==\n b;", getGoogleJSStyleWithColumns(10));
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verifyFormat("if (a + b + c +\n"
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" d !==\n"
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" e + f + g)\n"
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" q();",
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getGoogleJSStyleWithColumns(20));
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verifyFormat("a >> >= b;");
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verifyFormat("a >>> b;");
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verifyFormat("aaaaaaa >>>\n b;", getGoogleJSStyleWithColumns(10));
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verifyFormat("a >>>= b;");
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verifyFormat("aaaaaaa >>>=\n b;", getGoogleJSStyleWithColumns(10));
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verifyFormat("if (a + b + c +\n"
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" d >>>\n"
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" e + f + g)\n"
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" q();",
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getGoogleJSStyleWithColumns(20));
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verifyFormat("var x = aaaaaaaaaa ?\n"
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" bbbbbb :\n"
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" ccc;",
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getGoogleJSStyleWithColumns(20));
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verifyFormat("var b = a.map((x) => x + 1);");
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verifyFormat("return ('aaa') in bbbb;");
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verifyFormat("var x = aaaaaaaaaaaaaaaaaaaaaaaaa() in\n"
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" aaaa.aaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
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FormatStyle Style = getGoogleJSStyleWithColumns(80);
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Style.AlignOperands = true;
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verifyFormat("var x = aaaaaaaaaaaaaaaaaaaaaaaaa() in\n"
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" aaaa.aaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;",
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Style);
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Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All;
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verifyFormat("var x = aaaaaaaaaaaaaaaaaaaaaaaaa()\n"
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" in aaaa.aaaaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;",
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Style);
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// ES6 spread operator.
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verifyFormat("someFunction(...a);");
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verifyFormat("var x = [1, ...a, 2];");
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}
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TEST_F(FormatTestJS, UnderstandsAmpAmp) {
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verifyFormat("e && e.SomeFunction();");
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}
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TEST_F(FormatTestJS, LiteralOperatorsCanBeKeywords) {
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verifyFormat("not.and.or.not_eq = 1;");
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}
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TEST_F(FormatTestJS, ReservedWords) {
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// JavaScript reserved words (aka keywords) are only illegal when used as
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// Identifiers, but are legal as IdentifierNames.
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verifyFormat("x.class.struct = 1;");
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verifyFormat("x.case = 1;");
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verifyFormat("x.interface = 1;");
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verifyFormat("x.for = 1;");
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verifyFormat("x.of();");
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verifyFormat("of(null);");
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verifyFormat("return of(null);");
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verifyFormat("import {of} from 'x';");
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verifyFormat("x.in();");
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verifyFormat("x.let();");
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verifyFormat("x.var();");
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verifyFormat("x.for();");
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verifyFormat("x.as();");
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verifyFormat("x.instanceof();");
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verifyFormat("x.switch();");
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verifyFormat("x.case();");
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verifyFormat("x.delete();");
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verifyFormat("x.throw();");
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verifyFormat("x.throws();");
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verifyFormat("x.if();");
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verifyFormat("x = {\n"
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" a: 12,\n"
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" interface: 1,\n"
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" switch: 1,\n"
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"};");
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verifyFormat("var struct = 2;");
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verifyFormat("var union = 2;");
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verifyFormat("var interface = 2;");
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verifyFormat("interface = 2;");
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verifyFormat("x = interface instanceof y;");
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verifyFormat("interface Test {\n"
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" x: string;\n"
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" switch: string;\n"
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" case: string;\n"
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" default: string;\n"
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"}\n");
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verifyFormat("const Axis = {\n"
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" for: 'for',\n"
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" x: 'x'\n"
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"};",
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"const Axis = {for: 'for', x: 'x'};");
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}
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TEST_F(FormatTestJS, ReservedWordsMethods) {
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verifyFormat(
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"class X {\n"
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" delete() {\n"
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" x();\n"
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" }\n"
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" interface() {\n"
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" x();\n"
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" }\n"
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" let() {\n"
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" x();\n"
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" }\n"
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"}\n");
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}
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TEST_F(FormatTestJS, ReservedWordsParenthesized) {
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// All of these are statements using the keyword, not function calls.
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verifyFormat("throw (x + y);\n"
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"await (await x).y;\n"
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"typeof (x) === 'string';\n"
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"void (0);\n"
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"delete (x.y);\n"
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"return (x);\n");
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}
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TEST_F(FormatTestJS, CppKeywords) {
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// Make sure we don't mess stuff up because of C++ keywords.
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verifyFormat("return operator && (aa);");
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// .. or QT ones.
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verifyFormat("slots: Slot[];");
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}
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TEST_F(FormatTestJS, ES6DestructuringAssignment) {
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verifyFormat("var [a, b, c] = [1, 2, 3];");
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verifyFormat("const [a, b, c] = [1, 2, 3];");
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verifyFormat("let [a, b, c] = [1, 2, 3];");
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verifyFormat("var {a, b} = {a: 1, b: 2};");
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verifyFormat("let {a, b} = {a: 1, b: 2};");
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}
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TEST_F(FormatTestJS, ContainerLiterals) {
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verifyFormat("var x = {\n"
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" y: function(a) {\n"
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" return a;\n"
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" }\n"
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"};");
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verifyFormat("return {\n"
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" link: function() {\n"
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" f(); //\n"
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" }\n"
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"};");
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verifyFormat("return {\n"
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" a: a,\n"
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" link: function() {\n"
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" f(); //\n"
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" }\n"
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"};");
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verifyFormat("return {\n"
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" a: a,\n"
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" link: function() {\n"
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" f(); //\n"
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" },\n"
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" link: function() {\n"
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" f(); //\n"
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" }\n"
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"};");
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verifyFormat("var stuff = {\n"
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" // comment for update\n"
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" update: false,\n"
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" // comment for modules\n"
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" modules: false,\n"
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" // comment for tasks\n"
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" tasks: false\n"
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"};");
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verifyFormat("return {\n"
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" 'finish':\n"
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" //\n"
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" a\n"
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"};");
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verifyFormat("var obj = {\n"
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" fooooooooo: function(x) {\n"
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" return x.zIsTooLongForOneLineWithTheDeclarationLine();\n"
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" }\n"
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"};");
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// Simple object literal, as opposed to enum style below.
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verifyFormat("var obj = {a: 123};");
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// Enum style top level assignment.
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verifyFormat("X = {\n a: 123\n};");
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verifyFormat("X.Y = {\n a: 123\n};");
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// But only on the top level, otherwise its a plain object literal assignment.
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verifyFormat("function x() {\n"
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" y = {z: 1};\n"
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"}");
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verifyFormat("x = foo && {a: 123};");
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// Arrow functions in object literals.
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verifyFormat("var x = {\n"
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" y: (a) => {\n"
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" return a;\n"
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" }\n"
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"};");
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verifyFormat("var x = {y: (a) => a};");
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// Methods in object literals.
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verifyFormat("var x = {\n"
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" y(a: string): number {\n"
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" return a;\n"
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" }\n"
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"};");
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verifyFormat("var x = {\n"
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" y(a: string) {\n"
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" return a;\n"
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" }\n"
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"};");
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// Computed keys.
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verifyFormat("var x = {[a]: 1, b: 2, [c]: 3};");
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verifyFormat("var x = {\n"
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" [a]: 1,\n"
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" b: 2,\n"
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" [c]: 3,\n"
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"};");
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// Object literals can leave out labels.
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verifyFormat("f({a}, () => {\n"
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" g(); //\n"
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"});");
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// Keys can be quoted.
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verifyFormat("var x = {\n"
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" a: a,\n"
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" b: b,\n"
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" 'c': c,\n"
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"};");
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// Dict literals can skip the label names.
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verifyFormat("var x = {\n"
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" aaa,\n"
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" aaa,\n"
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" aaa,\n"
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"};");
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verifyFormat("return {\n"
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" a,\n"
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" b: 'b',\n"
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" c,\n"
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"};");
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}
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TEST_F(FormatTestJS, MethodsInObjectLiterals) {
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verifyFormat("var o = {\n"
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" value: 'test',\n"
|
|
" get value() { // getter\n"
|
|
" return this.value;\n"
|
|
" }\n"
|
|
"};");
|
|
verifyFormat("var o = {\n"
|
|
" value: 'test',\n"
|
|
" set value(val) { // setter\n"
|
|
" this.value = val;\n"
|
|
" }\n"
|
|
"};");
|
|
verifyFormat("var o = {\n"
|
|
" value: 'test',\n"
|
|
" someMethod(val) { // method\n"
|
|
" doSomething(this.value + val);\n"
|
|
" }\n"
|
|
"};");
|
|
verifyFormat("var o = {\n"
|
|
" someMethod(val) { // method\n"
|
|
" doSomething(this.value + val);\n"
|
|
" },\n"
|
|
" someOtherMethod(val) { // method\n"
|
|
" doSomething(this.value + val);\n"
|
|
" }\n"
|
|
"};");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, GettersSettersVisibilityKeywords) {
|
|
// Don't break after "protected"
|
|
verifyFormat("class X {\n"
|
|
" protected get getter():\n"
|
|
" number {\n"
|
|
" return 1;\n"
|
|
" }\n"
|
|
"}",
|
|
getGoogleJSStyleWithColumns(12));
|
|
// Don't break after "get"
|
|
verifyFormat("class X {\n"
|
|
" protected get someReallyLongGetterName():\n"
|
|
" number {\n"
|
|
" return 1;\n"
|
|
" }\n"
|
|
"}",
|
|
getGoogleJSStyleWithColumns(40));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, SpacesInContainerLiterals) {
|
|
verifyFormat("var arr = [1, 2, 3];");
|
|
verifyFormat("f({a: 1, b: 2, c: 3});");
|
|
|
|
verifyFormat("var object_literal_with_long_name = {\n"
|
|
" a: 'aaaaaaaaaaaaaaaaaa',\n"
|
|
" b: 'bbbbbbbbbbbbbbbbbb'\n"
|
|
"};");
|
|
|
|
verifyFormat("f({a: 1, b: 2, c: 3});",
|
|
getChromiumStyle(FormatStyle::LK_JavaScript));
|
|
verifyFormat("f({'a': [{}]});");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, SingleQuotedStrings) {
|
|
verifyFormat("this.function('', true);");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, GoogScopes) {
|
|
verifyFormat("goog.scope(function() {\n"
|
|
"var x = a.b;\n"
|
|
"var y = c.d;\n"
|
|
"}); // goog.scope");
|
|
verifyFormat("goog.scope(function() {\n"
|
|
"// test\n"
|
|
"var x = 0;\n"
|
|
"// test\n"
|
|
"});");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, IIFEs) {
|
|
// Internal calling parens; no semi.
|
|
verifyFormat("(function() {\n"
|
|
"var a = 1;\n"
|
|
"}())");
|
|
// External calling parens; no semi.
|
|
verifyFormat("(function() {\n"
|
|
"var b = 2;\n"
|
|
"})()");
|
|
// Internal calling parens; with semi.
|
|
verifyFormat("(function() {\n"
|
|
"var c = 3;\n"
|
|
"}());");
|
|
// External calling parens; with semi.
|
|
verifyFormat("(function() {\n"
|
|
"var d = 4;\n"
|
|
"})();");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, GoogModules) {
|
|
verifyFormat("goog.module('this.is.really.absurdly.long');",
|
|
getGoogleJSStyleWithColumns(40));
|
|
verifyFormat("goog.require('this.is.really.absurdly.long');",
|
|
getGoogleJSStyleWithColumns(40));
|
|
verifyFormat("goog.provide('this.is.really.absurdly.long');",
|
|
getGoogleJSStyleWithColumns(40));
|
|
verifyFormat("var long = goog.require('this.is.really.absurdly.long');",
|
|
getGoogleJSStyleWithColumns(40));
|
|
verifyFormat("goog.forwardDeclare('this.is.really.absurdly.long');",
|
|
getGoogleJSStyleWithColumns(40));
|
|
|
|
// These should be wrapped normally.
|
|
verifyFormat(
|
|
"var MyLongClassName =\n"
|
|
" goog.module.get('my.long.module.name.followedBy.MyLongClassName');");
|
|
verifyFormat("function a() {\n"
|
|
" goog.setTestOnly();\n"
|
|
"}\n",
|
|
"function a() {\n"
|
|
"goog.setTestOnly();\n"
|
|
"}\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, FormatsNamespaces) {
|
|
verifyFormat("namespace Foo {\n"
|
|
" export let x = 1;\n"
|
|
"}\n");
|
|
verifyFormat("declare namespace Foo {\n"
|
|
" export let x: number;\n"
|
|
"}\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, NamespacesMayNotWrap) {
|
|
verifyFormat("declare namespace foobarbaz {\n"
|
|
"}\n", getGoogleJSStyleWithColumns(18));
|
|
verifyFormat("declare module foobarbaz {\n"
|
|
"}\n", getGoogleJSStyleWithColumns(15));
|
|
verifyFormat("namespace foobarbaz {\n"
|
|
"}\n", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("module foobarbaz {\n"
|
|
"}\n", getGoogleJSStyleWithColumns(7));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, AmbientDeclarations) {
|
|
FormatStyle NineCols = getGoogleJSStyleWithColumns(9);
|
|
verifyFormat(
|
|
"declare class\n"
|
|
" X {}",
|
|
NineCols);
|
|
verifyFormat(
|
|
"declare function\n"
|
|
"x();", // TODO(martinprobst): should ideally be indented.
|
|
NineCols);
|
|
verifyFormat("declare function foo();\n"
|
|
"let x = 1;\n");
|
|
verifyFormat("declare function foo(): string;\n"
|
|
"let x = 1;\n");
|
|
verifyFormat("declare function foo(): {x: number};\n"
|
|
"let x = 1;\n");
|
|
verifyFormat("declare class X {}\n"
|
|
"let x = 1;\n");
|
|
verifyFormat("declare interface Y {}\n"
|
|
"let x = 1;\n");
|
|
verifyFormat(
|
|
"declare enum X {\n"
|
|
"}",
|
|
NineCols);
|
|
verifyFormat(
|
|
"declare let\n"
|
|
" x: number;",
|
|
NineCols);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, FormatsFreestandingFunctions) {
|
|
verifyFormat("function outer1(a, b) {\n"
|
|
" function inner1(a, b) {\n"
|
|
" return a;\n"
|
|
" }\n"
|
|
" inner1(a, b);\n"
|
|
"}\n"
|
|
"function outer2(a, b) {\n"
|
|
" function inner2(a, b) {\n"
|
|
" return a;\n"
|
|
" }\n"
|
|
" inner2(a, b);\n"
|
|
"}");
|
|
verifyFormat("function f() {}");
|
|
verifyFormat("function aFunction() {}\n"
|
|
"(function f() {\n"
|
|
" var x = 1;\n"
|
|
"}());\n");
|
|
verifyFormat("function aFunction() {}\n"
|
|
"{\n"
|
|
" let x = 1;\n"
|
|
" console.log(x);\n"
|
|
"}\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, GeneratorFunctions) {
|
|
verifyFormat("function* f() {\n"
|
|
" let x = 1;\n"
|
|
" yield x;\n"
|
|
" yield* something();\n"
|
|
" yield [1, 2];\n"
|
|
" yield {a: 1};\n"
|
|
"}");
|
|
verifyFormat("function*\n"
|
|
" f() {\n"
|
|
"}",
|
|
getGoogleJSStyleWithColumns(8));
|
|
verifyFormat("export function* f() {\n"
|
|
" yield 1;\n"
|
|
"}\n");
|
|
verifyFormat("class X {\n"
|
|
" * generatorMethod() {\n"
|
|
" yield x;\n"
|
|
" }\n"
|
|
"}");
|
|
verifyFormat("var x = {\n"
|
|
" a: function*() {\n"
|
|
" //\n"
|
|
" }\n"
|
|
"}\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, AsyncFunctions) {
|
|
verifyFormat("async function f() {\n"
|
|
" let x = 1;\n"
|
|
" return fetch(x);\n"
|
|
"}");
|
|
verifyFormat("async function f() {\n"
|
|
" return 1;\n"
|
|
"}\n"
|
|
"\n"
|
|
"function a() {\n"
|
|
" return 1;\n"
|
|
"}\n",
|
|
" async function f() {\n"
|
|
" return 1;\n"
|
|
"}\n"
|
|
"\n"
|
|
" function a() {\n"
|
|
" return 1;\n"
|
|
"} \n");
|
|
verifyFormat("async function* f() {\n"
|
|
" yield fetch(x);\n"
|
|
"}");
|
|
verifyFormat("export async function f() {\n"
|
|
" return fetch(x);\n"
|
|
"}");
|
|
verifyFormat("let x = async () => f();");
|
|
verifyFormat("let x = async function() {\n"
|
|
" f();\n"
|
|
"};");
|
|
verifyFormat("let x = async();");
|
|
verifyFormat("class X {\n"
|
|
" async asyncMethod() {\n"
|
|
" return fetch(1);\n"
|
|
" }\n"
|
|
"}");
|
|
verifyFormat("function initialize() {\n"
|
|
" // Comment.\n"
|
|
" return async.then();\n"
|
|
"}\n");
|
|
verifyFormat("for await (const x of y) {\n"
|
|
" console.log(x);\n"
|
|
"}\n");
|
|
verifyFormat("function asyncLoop() {\n"
|
|
" for await (const x of y) {\n"
|
|
" console.log(x);\n"
|
|
" }\n"
|
|
"}\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, FunctionParametersTrailingComma) {
|
|
verifyFormat("function trailingComma(\n"
|
|
" p1,\n"
|
|
" p2,\n"
|
|
" p3,\n"
|
|
") {\n"
|
|
" a; //\n"
|
|
"}\n",
|
|
"function trailingComma(p1, p2, p3,) {\n"
|
|
" a; //\n"
|
|
"}\n");
|
|
verifyFormat("trailingComma(\n"
|
|
" p1,\n"
|
|
" p2,\n"
|
|
" p3,\n"
|
|
");\n",
|
|
"trailingComma(p1, p2, p3,);\n");
|
|
verifyFormat("trailingComma(\n"
|
|
" p1 // hello\n"
|
|
");\n",
|
|
"trailingComma(p1 // hello\n"
|
|
");\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ArrayLiterals) {
|
|
verifyFormat("var aaaaa: List<SomeThing> =\n"
|
|
" [new SomeThingAAAAAAAAAAAA(), new SomeThingBBBBBBBBB()];");
|
|
verifyFormat("return [\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
|
|
" ccccccccccccccccccccccccccc\n"
|
|
"];");
|
|
verifyFormat("return [\n"
|
|
" aaaa().bbbbbbbb('A'),\n"
|
|
" aaaa().bbbbbbbb('B'),\n"
|
|
" aaaa().bbbbbbbb('C'),\n"
|
|
"];");
|
|
verifyFormat("var someVariable = SomeFunction([\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
|
|
" ccccccccccccccccccccccccccc\n"
|
|
"]);");
|
|
verifyFormat("var someVariable = SomeFunction([\n"
|
|
" [aaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbb],\n"
|
|
"]);",
|
|
getGoogleJSStyleWithColumns(51));
|
|
verifyFormat("var someVariable = SomeFunction(aaaa, [\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
|
|
" ccccccccccccccccccccccccccc\n"
|
|
"]);");
|
|
verifyFormat("var someVariable = SomeFunction(\n"
|
|
" aaaa,\n"
|
|
" [\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
|
|
" cccccccccccccccccccccccccc\n"
|
|
" ],\n"
|
|
" aaaa);");
|
|
verifyFormat("var aaaa = aaaaa || // wrap\n"
|
|
" [];");
|
|
|
|
verifyFormat("someFunction([], {a: a});");
|
|
|
|
verifyFormat("var string = [\n"
|
|
" 'aaaaaa',\n"
|
|
" 'bbbbbb',\n"
|
|
"].join('+');");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ColumnLayoutForArrayLiterals) {
|
|
verifyFormat("var array = [\n"
|
|
" a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,\n"
|
|
" a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,\n"
|
|
"];");
|
|
verifyFormat("var array = someFunction([\n"
|
|
" a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,\n"
|
|
" a, a, a, a, a, a, a, a, a, a, a, a, a, a, a,\n"
|
|
"]);");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, FunctionLiterals) {
|
|
FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
|
|
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;
|
|
verifyFormat("doFoo(function() {});");
|
|
verifyFormat("doFoo(function() { return 1; });", Style);
|
|
verifyFormat("var func = function() {\n"
|
|
" return 1;\n"
|
|
"};");
|
|
verifyFormat("var func = //\n"
|
|
" function() {\n"
|
|
" return 1;\n"
|
|
"};");
|
|
verifyFormat("return {\n"
|
|
" body: {\n"
|
|
" setAttribute: function(key, val) { this[key] = val; },\n"
|
|
" getAttribute: function(key) { return this[key]; },\n"
|
|
" style: {direction: ''}\n"
|
|
" }\n"
|
|
"};",
|
|
Style);
|
|
verifyFormat("abc = xyz ? function() {\n"
|
|
" return 1;\n"
|
|
"} : function() {\n"
|
|
" return -1;\n"
|
|
"};");
|
|
|
|
verifyFormat("var closure = goog.bind(\n"
|
|
" function() { // comment\n"
|
|
" foo();\n"
|
|
" bar();\n"
|
|
" },\n"
|
|
" this, arg1IsReallyLongAndNeedsLineBreaks,\n"
|
|
" arg3IsReallyLongAndNeedsLineBreaks);");
|
|
verifyFormat("var closure = goog.bind(function() { // comment\n"
|
|
" foo();\n"
|
|
" bar();\n"
|
|
"}, this);");
|
|
verifyFormat("return {\n"
|
|
" a: 'E',\n"
|
|
" b: function() {\n"
|
|
" return function() {\n"
|
|
" f(); //\n"
|
|
" };\n"
|
|
" }\n"
|
|
"};");
|
|
verifyFormat("{\n"
|
|
" var someVariable = function(x) {\n"
|
|
" return x.zIsTooLongForOneLineWithTheDeclarationLine();\n"
|
|
" };\n"
|
|
"}");
|
|
verifyFormat("someLooooooooongFunction(\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
|
|
" function(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n"
|
|
" // code\n"
|
|
" });");
|
|
|
|
verifyFormat("return {\n"
|
|
" a: function SomeFunction() {\n"
|
|
" // ...\n"
|
|
" return 1;\n"
|
|
" }\n"
|
|
"};");
|
|
verifyFormat("this.someObject.doSomething(aaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
|
|
" .then(goog.bind(function(aaaaaaaaaaa) {\n"
|
|
" someFunction();\n"
|
|
" someFunction();\n"
|
|
" }, this), aaaaaaaaaaaaaaaaa);");
|
|
|
|
verifyFormat("someFunction(goog.bind(function() {\n"
|
|
" doSomething();\n"
|
|
" doSomething();\n"
|
|
"}, this), goog.bind(function() {\n"
|
|
" doSomething();\n"
|
|
" doSomething();\n"
|
|
"}, this));");
|
|
|
|
verifyFormat("SomeFunction(function() {\n"
|
|
" foo();\n"
|
|
" bar();\n"
|
|
"}.bind(this));");
|
|
|
|
verifyFormat("SomeFunction((function() {\n"
|
|
" foo();\n"
|
|
" bar();\n"
|
|
" }).bind(this));");
|
|
|
|
// FIXME: This is bad, we should be wrapping before "function() {".
|
|
verifyFormat("someFunction(function() {\n"
|
|
" doSomething(); // break\n"
|
|
"})\n"
|
|
" .doSomethingElse(\n"
|
|
" // break\n"
|
|
" );");
|
|
|
|
Style.ColumnLimit = 33;
|
|
verifyFormat("f({a: function() { return 1; }});", Style);
|
|
Style.ColumnLimit = 32;
|
|
verifyFormat("f({\n"
|
|
" a: function() { return 1; }\n"
|
|
"});",
|
|
Style);
|
|
|
|
}
|
|
|
|
TEST_F(FormatTestJS, DontWrapEmptyLiterals) {
|
|
verifyFormat("(aaaaaaaaaaaaaaaaaaaaa.getData as jasmine.Spy)\n"
|
|
" .and.returnValue(Observable.of([]));");
|
|
verifyFormat("(aaaaaaaaaaaaaaaaaaaaa.getData as jasmine.Spy)\n"
|
|
" .and.returnValue(Observable.of({}));");
|
|
verifyFormat("(aaaaaaaaaaaaaaaaaaaaa.getData as jasmine.Spy)\n"
|
|
" .and.returnValue(Observable.of(()));");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, InliningFunctionLiterals) {
|
|
FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
|
|
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;
|
|
verifyFormat("var func = function() {\n"
|
|
" return 1;\n"
|
|
"};",
|
|
Style);
|
|
verifyFormat("var func = doSomething(function() { return 1; });", Style);
|
|
verifyFormat("var outer = function() {\n"
|
|
" var inner = function() { return 1; }\n"
|
|
"};",
|
|
Style);
|
|
verifyFormat("function outer1(a, b) {\n"
|
|
" function inner1(a, b) { return a; }\n"
|
|
"}",
|
|
Style);
|
|
|
|
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_All;
|
|
verifyFormat("var func = function() { return 1; };", Style);
|
|
verifyFormat("var func = doSomething(function() { return 1; });", Style);
|
|
verifyFormat(
|
|
"var outer = function() { var inner = function() { return 1; } };",
|
|
Style);
|
|
verifyFormat("function outer1(a, b) {\n"
|
|
" function inner1(a, b) { return a; }\n"
|
|
"}",
|
|
Style);
|
|
|
|
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None;
|
|
verifyFormat("var func = function() {\n"
|
|
" return 1;\n"
|
|
"};",
|
|
Style);
|
|
verifyFormat("var func = doSomething(function() {\n"
|
|
" return 1;\n"
|
|
"});",
|
|
Style);
|
|
verifyFormat("var outer = function() {\n"
|
|
" var inner = function() {\n"
|
|
" return 1;\n"
|
|
" }\n"
|
|
"};",
|
|
Style);
|
|
verifyFormat("function outer1(a, b) {\n"
|
|
" function inner1(a, b) {\n"
|
|
" return a;\n"
|
|
" }\n"
|
|
"}",
|
|
Style);
|
|
|
|
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Empty;
|
|
verifyFormat("var func = function() {\n"
|
|
" return 1;\n"
|
|
"};",
|
|
Style);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, MultipleFunctionLiterals) {
|
|
FormatStyle Style = getGoogleStyle(FormatStyle::LK_JavaScript);
|
|
Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_All;
|
|
verifyFormat("promise.then(\n"
|
|
" function success() {\n"
|
|
" doFoo();\n"
|
|
" doBar();\n"
|
|
" },\n"
|
|
" function error() {\n"
|
|
" doFoo();\n"
|
|
" doBaz();\n"
|
|
" },\n"
|
|
" []);\n");
|
|
verifyFormat("promise.then(\n"
|
|
" function success() {\n"
|
|
" doFoo();\n"
|
|
" doBar();\n"
|
|
" },\n"
|
|
" [],\n"
|
|
" function error() {\n"
|
|
" doFoo();\n"
|
|
" doBaz();\n"
|
|
" });\n");
|
|
verifyFormat("promise.then(\n"
|
|
" [],\n"
|
|
" function success() {\n"
|
|
" doFoo();\n"
|
|
" doBar();\n"
|
|
" },\n"
|
|
" function error() {\n"
|
|
" doFoo();\n"
|
|
" doBaz();\n"
|
|
" });\n");
|
|
|
|
verifyFormat("getSomeLongPromise()\n"
|
|
" .then(function(value) { body(); })\n"
|
|
" .thenCatch(function(error) {\n"
|
|
" body();\n"
|
|
" body();\n"
|
|
" });",
|
|
Style);
|
|
verifyFormat("getSomeLongPromise()\n"
|
|
" .then(function(value) {\n"
|
|
" body();\n"
|
|
" body();\n"
|
|
" })\n"
|
|
" .thenCatch(function(error) {\n"
|
|
" body();\n"
|
|
" body();\n"
|
|
" });");
|
|
|
|
verifyFormat("getSomeLongPromise()\n"
|
|
" .then(function(value) { body(); })\n"
|
|
" .thenCatch(function(error) { body(); });",
|
|
Style);
|
|
|
|
verifyFormat("return [aaaaaaaaaaaaaaaaaaaaaa]\n"
|
|
" .aaaaaaa(function() {\n"
|
|
" //\n"
|
|
" })\n"
|
|
" .bbbbbb();");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ArrowFunctions) {
|
|
verifyFormat("var x = (a) => {\n"
|
|
" return a;\n"
|
|
"};");
|
|
verifyFormat("var x = (a) => {\n"
|
|
" function y() {\n"
|
|
" return 42;\n"
|
|
" }\n"
|
|
" return a;\n"
|
|
"};");
|
|
verifyFormat("var x = (a: type): {some: type} => {\n"
|
|
" return a;\n"
|
|
"};");
|
|
verifyFormat("var x = (a) => a;");
|
|
verifyFormat("return () => [];");
|
|
verifyFormat("var aaaaaaaaaaaaaaaaaaaa = {\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaa:\n"
|
|
" (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) =>\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
|
|
"};");
|
|
verifyFormat("var a = a.aaaaaaa(\n"
|
|
" (a: a) => aaaaaaaaaaaaaaaaaaaaaaaaa(bbbbbbbbb) &&\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaa(bbbbbbb));");
|
|
verifyFormat("var a = a.aaaaaaa(\n"
|
|
" (a: a) => aaaaaaaaaaaaaaaaaaaaa(bbbbbbbbb) ?\n"
|
|
" aaaaaaaaaaaaaaaaaaaaa(bbbbbbb) :\n"
|
|
" aaaaaaaaaaaaaaaaaaaaa(bbbbbbb));");
|
|
|
|
// FIXME: This is bad, we should be wrapping before "() => {".
|
|
verifyFormat("someFunction(() => {\n"
|
|
" doSomething(); // break\n"
|
|
"})\n"
|
|
" .doSomethingElse(\n"
|
|
" // break\n"
|
|
" );");
|
|
verifyFormat("const f = (x: string|null): string|null => {\n"
|
|
" return x;\n"
|
|
"}\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ReturnStatements) {
|
|
verifyFormat("function() {\n"
|
|
" return [hello, world];\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ForLoops) {
|
|
verifyFormat("for (var i in [2, 3]) {\n"
|
|
"}");
|
|
verifyFormat("for (var i of [2, 3]) {\n"
|
|
"}");
|
|
verifyFormat("for (let {a, b} of x) {\n"
|
|
"}");
|
|
verifyFormat("for (let {a, b} of [x]) {\n"
|
|
"}");
|
|
verifyFormat("for (let [a, b] of [x]) {\n"
|
|
"}");
|
|
verifyFormat("for (let {a, b} in x) {\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, WrapRespectsAutomaticSemicolonInsertion) {
|
|
// The following statements must not wrap, as otherwise the program meaning
|
|
// would change due to automatic semicolon insertion.
|
|
// See http://www.ecma-international.org/ecma-262/5.1/#sec-7.9.1.
|
|
verifyFormat("return aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("yield aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("return /* hello! */ aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("continue aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("continue /* hello! */ aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("break aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("throw aaaaa;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("aaaaaaaaa++;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("aaaaaaaaa--;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("return [\n"
|
|
" aaa\n"
|
|
"];",
|
|
getGoogleJSStyleWithColumns(12));
|
|
verifyFormat("class X {\n"
|
|
" readonly ratherLongField =\n"
|
|
" 1;\n"
|
|
"}",
|
|
"class X {\n"
|
|
" readonly ratherLongField = 1;\n"
|
|
"}",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("const x = (5 + 9)\n"
|
|
"const y = 3\n",
|
|
"const x = ( 5 + 9)\n"
|
|
"const y = 3\n");
|
|
// Ideally the foo() bit should be indented relative to the async function().
|
|
verifyFormat("async function\n"
|
|
"foo() {}",
|
|
getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("await theReckoning;", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("some['a']['b']", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("x = (a['a']\n"
|
|
" ['b']);",
|
|
getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("function f() {\n"
|
|
" return foo.bar(\n"
|
|
" (param): param is {\n"
|
|
" a: SomeType\n"
|
|
" }&ABC => 1)\n"
|
|
"}",
|
|
getGoogleJSStyleWithColumns(25));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, AutomaticSemicolonInsertionHeuristic) {
|
|
verifyFormat("a\n"
|
|
"b;",
|
|
" a \n"
|
|
" b ;");
|
|
verifyFormat("a()\n"
|
|
"b;",
|
|
" a ()\n"
|
|
" b ;");
|
|
verifyFormat("a[b]\n"
|
|
"c;",
|
|
"a [b]\n"
|
|
"c ;");
|
|
verifyFormat("1\n"
|
|
"a;",
|
|
"1 \n"
|
|
"a ;");
|
|
verifyFormat("a\n"
|
|
"1;",
|
|
"a \n"
|
|
"1 ;");
|
|
verifyFormat("a\n"
|
|
"'x';",
|
|
"a \n"
|
|
" 'x';");
|
|
verifyFormat("a++\n"
|
|
"b;",
|
|
"a ++\n"
|
|
"b ;");
|
|
verifyFormat("a\n"
|
|
"!b && c;",
|
|
"a \n"
|
|
" ! b && c;");
|
|
verifyFormat("a\n"
|
|
"if (1) f();",
|
|
" a\n"
|
|
" if (1) f();");
|
|
verifyFormat("a\n"
|
|
"class X {}",
|
|
" a\n"
|
|
" class X {}");
|
|
verifyFormat("var a", "var\n"
|
|
"a");
|
|
verifyFormat("x instanceof String", "x\n"
|
|
"instanceof\n"
|
|
"String");
|
|
verifyFormat("function f(@Foo bar) {}", "function f(@Foo\n"
|
|
" bar) {}");
|
|
verifyFormat("function f(@Foo(Param) bar) {}", "function f(@Foo(Param)\n"
|
|
" bar) {}");
|
|
verifyFormat("a = true\n"
|
|
"return 1",
|
|
"a = true\n"
|
|
" return 1");
|
|
verifyFormat("a = 's'\n"
|
|
"return 1",
|
|
"a = 's'\n"
|
|
" return 1");
|
|
verifyFormat("a = null\n"
|
|
"return 1",
|
|
"a = null\n"
|
|
" return 1");
|
|
// Below "class Y {}" should ideally be on its own line.
|
|
verifyFormat(
|
|
"x = {\n"
|
|
" a: 1\n"
|
|
"} class Y {}",
|
|
" x = {a : 1}\n"
|
|
" class Y { }");
|
|
verifyFormat(
|
|
"if (x) {\n"
|
|
"}\n"
|
|
"return 1",
|
|
"if (x) {}\n"
|
|
" return 1");
|
|
verifyFormat(
|
|
"if (x) {\n"
|
|
"}\n"
|
|
"class X {}",
|
|
"if (x) {}\n"
|
|
" class X {}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ImportExportASI) {
|
|
verifyFormat(
|
|
"import {x} from 'y'\n"
|
|
"export function z() {}",
|
|
"import {x} from 'y'\n"
|
|
" export function z() {}");
|
|
// Below "class Y {}" should ideally be on its own line.
|
|
verifyFormat(
|
|
"export {x} class Y {}",
|
|
" export {x}\n"
|
|
" class Y {\n}");
|
|
verifyFormat(
|
|
"if (x) {\n"
|
|
"}\n"
|
|
"export class Y {}",
|
|
"if ( x ) { }\n"
|
|
" export class Y {}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ClosureStyleCasts) {
|
|
verifyFormat("var x = /** @type {foo} */ (bar);");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TryCatch) {
|
|
verifyFormat("try {\n"
|
|
" f();\n"
|
|
"} catch (e) {\n"
|
|
" g();\n"
|
|
"} finally {\n"
|
|
" h();\n"
|
|
"}");
|
|
|
|
// But, of course, "catch" is a perfectly fine function name in JavaScript.
|
|
verifyFormat("someObject.catch();");
|
|
verifyFormat("someObject.new();");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, StringLiteralConcatenation) {
|
|
verifyFormat("var literal = 'hello ' +\n"
|
|
" 'world';");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RegexLiteralClassification) {
|
|
// Regex literals.
|
|
verifyFormat("var regex = /abc/;");
|
|
verifyFormat("f(/abc/);");
|
|
verifyFormat("f(abc, /abc/);");
|
|
verifyFormat("some_map[/abc/];");
|
|
verifyFormat("var x = a ? /abc/ : /abc/;");
|
|
verifyFormat("for (var i = 0; /abc/.test(s[i]); i++) {\n}");
|
|
verifyFormat("var x = !/abc/.test(y);");
|
|
verifyFormat("var x = foo()! / 10;");
|
|
verifyFormat("var x = a && /abc/.test(y);");
|
|
verifyFormat("var x = a || /abc/.test(y);");
|
|
verifyFormat("var x = a + /abc/.search(y);");
|
|
verifyFormat("/abc/.search(y);");
|
|
verifyFormat("var regexs = {/abc/, /abc/};");
|
|
verifyFormat("return /abc/;");
|
|
|
|
// Not regex literals.
|
|
verifyFormat("var a = a / 2 + b / 3;");
|
|
verifyFormat("var a = a++ / 2;");
|
|
// Prefix unary can operate on regex literals, not that it makes sense.
|
|
verifyFormat("var a = ++/a/;");
|
|
|
|
// This is a known issue, regular expressions are incorrectly detected if
|
|
// directly following a closing parenthesis.
|
|
verifyFormat("if (foo) / bar /.exec(baz);");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RegexLiteralSpecialCharacters) {
|
|
verifyFormat("var regex = /=/;");
|
|
verifyFormat("var regex = /a*/;");
|
|
verifyFormat("var regex = /a+/;");
|
|
verifyFormat("var regex = /a?/;");
|
|
verifyFormat("var regex = /.a./;");
|
|
verifyFormat("var regex = /a\\*/;");
|
|
verifyFormat("var regex = /^a$/;");
|
|
verifyFormat("var regex = /\\/a/;");
|
|
verifyFormat("var regex = /(?:x)/;");
|
|
verifyFormat("var regex = /x(?=y)/;");
|
|
verifyFormat("var regex = /x(?!y)/;");
|
|
verifyFormat("var regex = /x|y/;");
|
|
verifyFormat("var regex = /a{2}/;");
|
|
verifyFormat("var regex = /a{1,3}/;");
|
|
|
|
verifyFormat("var regex = /[abc]/;");
|
|
verifyFormat("var regex = /[^abc]/;");
|
|
verifyFormat("var regex = /[\\b]/;");
|
|
verifyFormat("var regex = /[/]/;");
|
|
verifyFormat("var regex = /[\\/]/;");
|
|
verifyFormat("var regex = /\\[/;");
|
|
verifyFormat("var regex = /\\\\[/]/;");
|
|
verifyFormat("var regex = /}[\"]/;");
|
|
verifyFormat("var regex = /}[/\"]/;");
|
|
verifyFormat("var regex = /}[\"/]/;");
|
|
|
|
verifyFormat("var regex = /\\b/;");
|
|
verifyFormat("var regex = /\\B/;");
|
|
verifyFormat("var regex = /\\d/;");
|
|
verifyFormat("var regex = /\\D/;");
|
|
verifyFormat("var regex = /\\f/;");
|
|
verifyFormat("var regex = /\\n/;");
|
|
verifyFormat("var regex = /\\r/;");
|
|
verifyFormat("var regex = /\\s/;");
|
|
verifyFormat("var regex = /\\S/;");
|
|
verifyFormat("var regex = /\\t/;");
|
|
verifyFormat("var regex = /\\v/;");
|
|
verifyFormat("var regex = /\\w/;");
|
|
verifyFormat("var regex = /\\W/;");
|
|
verifyFormat("var regex = /a(a)\\1/;");
|
|
verifyFormat("var regex = /\\0/;");
|
|
verifyFormat("var regex = /\\\\/g;");
|
|
verifyFormat("var regex = /\\a\\\\/g;");
|
|
verifyFormat("var regex = /\a\\//g;");
|
|
verifyFormat("var regex = /a\\//;\n"
|
|
"var x = 0;");
|
|
verifyFormat("var regex = /'/g;", "var regex = /'/g ;");
|
|
verifyFormat("var regex = /'/g; //'", "var regex = /'/g ; //'");
|
|
verifyFormat("var regex = /\\/*/;\n"
|
|
"var x = 0;",
|
|
"var regex = /\\/*/;\n"
|
|
"var x=0;");
|
|
verifyFormat("var x = /a\\//;", "var x = /a\\// \n;");
|
|
verifyFormat("var regex = /\"/;", getGoogleJSStyleWithColumns(16));
|
|
verifyFormat("var regex =\n"
|
|
" /\"/;",
|
|
getGoogleJSStyleWithColumns(15));
|
|
verifyFormat("var regex = //\n"
|
|
" /a/;");
|
|
verifyFormat("var regexs = [\n"
|
|
" /d/, //\n"
|
|
" /aa/, //\n"
|
|
"];");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RegexLiteralModifiers) {
|
|
verifyFormat("var regex = /abc/g;");
|
|
verifyFormat("var regex = /abc/i;");
|
|
verifyFormat("var regex = /abc/m;");
|
|
verifyFormat("var regex = /abc/y;");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RegexLiteralLength) {
|
|
verifyFormat("var regex = /aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/;",
|
|
getGoogleJSStyleWithColumns(60));
|
|
verifyFormat("var regex =\n"
|
|
" /aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/;",
|
|
getGoogleJSStyleWithColumns(60));
|
|
verifyFormat("var regex = /\\xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/;",
|
|
getGoogleJSStyleWithColumns(50));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RegexLiteralExamples) {
|
|
verifyFormat("var regex = search.match(/(?:\?|&)times=([^?&]+)/i);");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, IgnoresMpegTS) {
|
|
std::string MpegTS(200, ' ');
|
|
MpegTS.replace(0, strlen("nearlyLooks + like + ts + code; "),
|
|
"nearlyLooks + like + ts + code; ");
|
|
MpegTS[0] = 0x47;
|
|
MpegTS[188] = 0x47;
|
|
verifyFormat(MpegTS, MpegTS);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TypeAnnotations) {
|
|
verifyFormat("var x: string;");
|
|
verifyFormat("var x: {a: string; b: number;} = {};");
|
|
verifyFormat("function x(): string {\n return 'x';\n}");
|
|
verifyFormat("function x(): {x: string} {\n return {x: 'x'};\n}");
|
|
verifyFormat("function x(y: string): string {\n return 'x';\n}");
|
|
verifyFormat("for (var y: string in x) {\n x();\n}");
|
|
verifyFormat("for (var y: string of x) {\n x();\n}");
|
|
verifyFormat("function x(y: {a?: number;} = {}): number {\n"
|
|
" return 12;\n"
|
|
"}");
|
|
verifyFormat("const x: Array<{a: number; b: string;}> = [];");
|
|
verifyFormat("((a: string, b: number): string => a + b);");
|
|
verifyFormat("var x: (y: number) => string;");
|
|
verifyFormat("var x: P<string, (a: number) => string>;");
|
|
verifyFormat("var x = {\n"
|
|
" y: function(): z {\n"
|
|
" return 1;\n"
|
|
" }\n"
|
|
"};");
|
|
verifyFormat("var x = {\n"
|
|
" y: function(): {a: number} {\n"
|
|
" return 1;\n"
|
|
" }\n"
|
|
"};");
|
|
verifyFormat("function someFunc(args: string[]):\n"
|
|
" {longReturnValue: string[]} {}",
|
|
getGoogleJSStyleWithColumns(60));
|
|
verifyFormat(
|
|
"var someValue = (v as aaaaaaaaaaaaaaaaaaaa<T>[])\n"
|
|
" .someFunction(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
|
|
verifyFormat("const xIsALongIdent:\n"" YJustBarelyFitsLinex[];",
|
|
getGoogleJSStyleWithColumns(20));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, UnionIntersectionTypes) {
|
|
verifyFormat("let x: A|B = A | B;");
|
|
verifyFormat("let x: A&B|C = A & B;");
|
|
verifyFormat("let x: Foo<A|B> = new Foo<A|B>();");
|
|
verifyFormat("function(x: A|B): C&D {}");
|
|
verifyFormat("function(x: A|B = A | B): C&D {}");
|
|
verifyFormat("function x(path: number|string) {}");
|
|
verifyFormat("function x(): string|number {}");
|
|
verifyFormat("type Foo = Bar|Baz;");
|
|
verifyFormat("type Foo = Bar<X>|Baz;");
|
|
verifyFormat("type Foo = (Bar<X>|Baz);");
|
|
verifyFormat("let x: Bar|Baz;");
|
|
verifyFormat("let x: Bar<X>|Baz;");
|
|
verifyFormat("let x: (Foo|Bar)[];");
|
|
verifyFormat("type X = {\n"
|
|
" a: Foo|Bar;\n"
|
|
"};");
|
|
verifyFormat("export type X = {\n"
|
|
" a: Foo|Bar;\n"
|
|
"};");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, UnionIntersectionTypesInObjectType) {
|
|
verifyFormat("let x: {x: number|null} = {x: number | null};");
|
|
verifyFormat("let nested: {x: {y: number|null}};");
|
|
verifyFormat("let mixed: {x: [number|null, {w: number}]};");
|
|
verifyFormat("class X {\n"
|
|
" contructor(x: {\n"
|
|
" a: a|null,\n"
|
|
" b: b|null,\n"
|
|
" }) {}\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ClassDeclarations) {
|
|
verifyFormat("class C {\n x: string = 12;\n}");
|
|
verifyFormat("class C {\n x(): string => 12;\n}");
|
|
verifyFormat("class C {\n ['x' + 2]: string = 12;\n}");
|
|
verifyFormat("class C {\n"
|
|
" foo() {}\n"
|
|
" [bar]() {}\n"
|
|
"}\n");
|
|
verifyFormat("class C {\n private x: string = 12;\n}");
|
|
verifyFormat("class C {\n private static x: string = 12;\n}");
|
|
verifyFormat("class C {\n static x(): string {\n return 'asd';\n }\n}");
|
|
verifyFormat("class C extends P implements I {}");
|
|
verifyFormat("class C extends p.P implements i.I {}");
|
|
verifyFormat(
|
|
"x(class {\n"
|
|
" a(): A {}\n"
|
|
"});");
|
|
verifyFormat("class Test {\n"
|
|
" aaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaaa):\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaa {}\n"
|
|
"}");
|
|
verifyFormat("foo = class Name {\n"
|
|
" constructor() {}\n"
|
|
"};");
|
|
verifyFormat("foo = class {\n"
|
|
" constructor() {}\n"
|
|
"};");
|
|
verifyFormat("class C {\n"
|
|
" x: {y: Z;} = {};\n"
|
|
" private y: {y: Z;} = {};\n"
|
|
"}");
|
|
|
|
// ':' is not a type declaration here.
|
|
verifyFormat("class X {\n"
|
|
" subs = {\n"
|
|
" 'b': {\n"
|
|
" 'c': 1,\n"
|
|
" },\n"
|
|
" };\n"
|
|
"}");
|
|
verifyFormat("@Component({\n"
|
|
" moduleId: module.id,\n"
|
|
"})\n"
|
|
"class SessionListComponent implements OnDestroy, OnInit {\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, StrictPropInitWrap) {
|
|
const FormatStyle &Style = getGoogleJSStyleWithColumns(22);
|
|
verifyFormat("class X {\n"
|
|
" strictPropInitField!:\n"
|
|
" string;\n"
|
|
"}",
|
|
Style);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, InterfaceDeclarations) {
|
|
verifyFormat("interface I {\n"
|
|
" x: string;\n"
|
|
" enum: string[];\n"
|
|
" enum?: string[];\n"
|
|
"}\n"
|
|
"var y;");
|
|
// Ensure that state is reset after parsing the interface.
|
|
verifyFormat("interface a {}\n"
|
|
"export function b() {}\n"
|
|
"var x;");
|
|
|
|
// Arrays of object type literals.
|
|
verifyFormat("interface I {\n"
|
|
" o: {}[];\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ObjectTypesInExtendsImplements) {
|
|
verifyFormat("class C extends {} {}");
|
|
verifyFormat("class C implements {bar: number} {}");
|
|
// Somewhat odd, but probably closest to reasonable formatting?
|
|
verifyFormat("class C implements {\n"
|
|
" bar: number,\n"
|
|
" baz: string,\n"
|
|
"} {}");
|
|
verifyFormat("class C<P extends {}> {}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, EnumDeclarations) {
|
|
verifyFormat("enum Foo {\n"
|
|
" A = 1,\n"
|
|
" B\n"
|
|
"}");
|
|
verifyFormat("export /* somecomment*/ enum Foo {\n"
|
|
" A = 1,\n"
|
|
" B\n"
|
|
"}");
|
|
verifyFormat("enum Foo {\n"
|
|
" A = 1, // comment\n"
|
|
" B\n"
|
|
"}\n"
|
|
"var x = 1;");
|
|
verifyFormat("const enum Foo {\n"
|
|
" A = 1,\n"
|
|
" B\n"
|
|
"}");
|
|
verifyFormat("export const enum Foo {\n"
|
|
" A = 1,\n"
|
|
" B\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, Decorators) {
|
|
verifyFormat("@A\nclass C {\n}");
|
|
verifyFormat("@A({arg: 'value'})\nclass C {\n}");
|
|
verifyFormat("@A\n@B\nclass C {\n}");
|
|
verifyFormat("class C {\n @A x: string;\n}");
|
|
verifyFormat("class C {\n"
|
|
" @A\n"
|
|
" private x(): string {\n"
|
|
" return 'y';\n"
|
|
" }\n"
|
|
"}");
|
|
verifyFormat("class C {\n"
|
|
" private x(@A x: string) {}\n"
|
|
"}");
|
|
verifyFormat("class X {}\n"
|
|
"class Y {}");
|
|
verifyFormat("class X {\n"
|
|
" @property() private isReply = false;\n"
|
|
"}\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TypeAliases) {
|
|
verifyFormat("type X = number;\n"
|
|
"class C {}");
|
|
verifyFormat("type X<Y> = Z<Y>;");
|
|
verifyFormat("type X = {\n"
|
|
" y: number\n"
|
|
"};\n"
|
|
"class C {}");
|
|
verifyFormat("export type X = {\n"
|
|
" a: string,\n"
|
|
" b?: string,\n"
|
|
"};\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TypeInterfaceLineWrapping) {
|
|
const FormatStyle &Style = getGoogleJSStyleWithColumns(20);
|
|
verifyFormat("type LongTypeIsReallyUnreasonablyLong =\n"
|
|
" string;\n",
|
|
"type LongTypeIsReallyUnreasonablyLong = string;\n",
|
|
Style);
|
|
verifyFormat(
|
|
"interface AbstractStrategyFactoryProvider {\n"
|
|
" a: number\n"
|
|
"}\n",
|
|
"interface AbstractStrategyFactoryProvider { a: number }\n",
|
|
Style);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RemoveEmptyLinesInArrowFunctions) {
|
|
verifyFormat("x = () => {\n"
|
|
" foo();\n"
|
|
"};\n",
|
|
"x = () => {\n"
|
|
"\n"
|
|
" foo();\n"
|
|
"\n"
|
|
"};\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, Modules) {
|
|
verifyFormat("import SomeThing from 'some/module.js';");
|
|
verifyFormat("import {X, Y} from 'some/module.js';");
|
|
verifyFormat("import a, {X, Y} from 'some/module.js';");
|
|
verifyFormat("import {X, Y,} from 'some/module.js';");
|
|
verifyFormat("import {X as myLocalX, Y as myLocalY} from 'some/module.js';");
|
|
// Ensure Automatic Semicolon Insertion does not break on "as\n".
|
|
verifyFormat("import {X as myX} from 'm';", "import {X as\n"
|
|
" myX} from 'm';");
|
|
verifyFormat("import * as lib from 'some/module.js';");
|
|
verifyFormat("var x = {import: 1};\nx.import = 2;");
|
|
|
|
verifyFormat("export function fn() {\n"
|
|
" return 'fn';\n"
|
|
"}");
|
|
verifyFormat("export function A() {}\n"
|
|
"export default function B() {}\n"
|
|
"export function C() {}");
|
|
verifyFormat("export default () => {\n"
|
|
" let x = 1;\n"
|
|
" return x;\n"
|
|
"}");
|
|
verifyFormat("export const x = 12;");
|
|
verifyFormat("export default class X {}");
|
|
verifyFormat("export {X, Y} from 'some/module.js';");
|
|
verifyFormat("export {X, Y,} from 'some/module.js';");
|
|
verifyFormat("export {SomeVeryLongExport as X, "
|
|
"SomeOtherVeryLongExport as Y} from 'some/module.js';");
|
|
// export without 'from' is wrapped.
|
|
verifyFormat("export let someRatherLongVariableName =\n"
|
|
" someSurprisinglyLongVariable + someOtherRatherLongVar;");
|
|
// ... but not if from is just an identifier.
|
|
verifyFormat("export {\n"
|
|
" from as from,\n"
|
|
" someSurprisinglyLongVariable as\n"
|
|
" from\n"
|
|
"};",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("export class C {\n"
|
|
" x: number;\n"
|
|
" y: string;\n"
|
|
"}");
|
|
verifyFormat("export class X {\n"
|
|
" y: number;\n"
|
|
"}");
|
|
verifyFormat("export abstract class X {\n"
|
|
" y: number;\n"
|
|
"}");
|
|
verifyFormat("export default class X {\n"
|
|
" y: number\n"
|
|
"}");
|
|
verifyFormat("export default function() {\n return 1;\n}");
|
|
verifyFormat("export var x = 12;");
|
|
verifyFormat("class C {}\n"
|
|
"export function f() {}\n"
|
|
"var v;");
|
|
verifyFormat("export var x: number = 12;");
|
|
verifyFormat("export const y = {\n"
|
|
" a: 1,\n"
|
|
" b: 2\n"
|
|
"};");
|
|
verifyFormat("export enum Foo {\n"
|
|
" BAR,\n"
|
|
" // adsdasd\n"
|
|
" BAZ\n"
|
|
"}");
|
|
verifyFormat("export default [\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
|
|
" bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n"
|
|
"];");
|
|
verifyFormat("export default [];");
|
|
verifyFormat("export default () => {};");
|
|
verifyFormat("export interface Foo {\n"
|
|
" foo: number;\n"
|
|
"}\n"
|
|
"export class Bar {\n"
|
|
" blah(): string {\n"
|
|
" return this.blah;\n"
|
|
" };\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ImportWrapping) {
|
|
verifyFormat("import {VeryLongImportsAreAnnoying, VeryLongImportsAreAnnoying,"
|
|
" VeryLongImportsAreAnnoying, VeryLongImportsAreAnnoying"
|
|
"} from 'some/module.js';");
|
|
FormatStyle Style = getGoogleJSStyleWithColumns(80);
|
|
Style.JavaScriptWrapImports = true;
|
|
verifyFormat("import {\n"
|
|
" VeryLongImportsAreAnnoying,\n"
|
|
" VeryLongImportsAreAnnoying,\n"
|
|
" VeryLongImportsAreAnnoying,\n"
|
|
"} from 'some/module.js';",
|
|
Style);
|
|
verifyFormat("import {\n"
|
|
" A,\n"
|
|
" A,\n"
|
|
"} from 'some/module.js';",
|
|
Style);
|
|
verifyFormat("export {\n"
|
|
" A,\n"
|
|
" A,\n"
|
|
"} from 'some/module.js';",
|
|
Style);
|
|
Style.ColumnLimit = 40;
|
|
// Using this version of verifyFormat because test::messUp hides the issue.
|
|
verifyFormat("import {\n"
|
|
" A,\n"
|
|
"} from\n"
|
|
" 'some/path/longer/than/column/limit/module.js';",
|
|
" import { \n"
|
|
" A, \n"
|
|
" } from\n"
|
|
" 'some/path/longer/than/column/limit/module.js' ; ",
|
|
Style);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TemplateStrings) {
|
|
// Keeps any whitespace/indentation within the template string.
|
|
verifyFormat("var x = `hello\n"
|
|
" ${name}\n"
|
|
" !`;",
|
|
"var x = `hello\n"
|
|
" ${ name }\n"
|
|
" !`;");
|
|
|
|
verifyFormat("var x =\n"
|
|
" `hello ${world}` >= some();",
|
|
getGoogleJSStyleWithColumns(34)); // Barely doesn't fit.
|
|
verifyFormat("var x = `hello ${world}` >= some();",
|
|
getGoogleJSStyleWithColumns(35)); // Barely fits.
|
|
verifyFormat("var x = `hellö ${wörld}` >= söme();",
|
|
getGoogleJSStyleWithColumns(35)); // Fits due to UTF-8.
|
|
verifyFormat("var x = `hello\n"
|
|
" ${world}` >=\n"
|
|
" some();",
|
|
"var x =\n"
|
|
" `hello\n"
|
|
" ${world}` >= some();",
|
|
getGoogleJSStyleWithColumns(21)); // Barely doesn't fit.
|
|
verifyFormat("var x = `hello\n"
|
|
" ${world}` >= some();",
|
|
"var x =\n"
|
|
" `hello\n"
|
|
" ${world}` >= some();",
|
|
getGoogleJSStyleWithColumns(22)); // Barely fits.
|
|
|
|
verifyFormat("var x =\n"
|
|
" `h`;",
|
|
getGoogleJSStyleWithColumns(11));
|
|
verifyFormat("var x =\n `multi\n line`;", "var x = `multi\n line`;",
|
|
getGoogleJSStyleWithColumns(13));
|
|
verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
|
|
" `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`);");
|
|
// Repro for an obscure width-miscounting issue with template strings.
|
|
verifyFormat(
|
|
"someLongVariable =\n"
|
|
" "
|
|
"`${logPrefix[11]}/${logPrefix[12]}/${logPrefix[13]}${logPrefix[14]}`;",
|
|
"someLongVariable = "
|
|
"`${logPrefix[11]}/${logPrefix[12]}/${logPrefix[13]}${logPrefix[14]}`;");
|
|
|
|
// Make sure template strings get a proper ColumnWidth assigned, even if they
|
|
// are first token in line.
|
|
verifyFormat(
|
|
"var a = aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
|
|
" `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`;");
|
|
|
|
// Two template strings.
|
|
verifyFormat("var x = `hello` == `hello`;");
|
|
|
|
// Comments in template strings.
|
|
verifyFormat("var x = `//a`;\n"
|
|
"var y;",
|
|
"var x =\n `//a`;\n"
|
|
"var y ;");
|
|
verifyFormat("var x = `/*a`;\n"
|
|
"var y;",
|
|
"var x =\n `/*a`;\n"
|
|
"var y;");
|
|
// Unterminated string literals in a template string.
|
|
verifyFormat("var x = `'`; // comment with matching quote '\n"
|
|
"var y;");
|
|
verifyFormat("var x = `\"`; // comment with matching quote \"\n"
|
|
"var y;");
|
|
verifyFormat("it(`'aaaaaaaaaaaaaaa `, aaaaaaaaa);",
|
|
"it(`'aaaaaaaaaaaaaaa `, aaaaaaaaa) ;",
|
|
getGoogleJSStyleWithColumns(40));
|
|
// Backticks in a comment - not a template string.
|
|
verifyFormat("var x = 1 // `/*a`;\n"
|
|
" ;",
|
|
"var x =\n 1 // `/*a`;\n"
|
|
" ;");
|
|
verifyFormat("/* ` */ var x = 1; /* ` */", "/* ` */ var x\n= 1; /* ` */");
|
|
// Comment spans multiple template strings.
|
|
verifyFormat("var x = `/*a`;\n"
|
|
"var y = ` */ `;",
|
|
"var x =\n `/*a`;\n"
|
|
"var y =\n ` */ `;");
|
|
// Escaped backtick.
|
|
verifyFormat("var x = ` \\` a`;\n"
|
|
"var y;",
|
|
"var x = ` \\` a`;\n"
|
|
"var y;");
|
|
// Escaped dollar.
|
|
verifyFormat("var x = ` \\${foo}`;\n");
|
|
|
|
// The token stream can contain two string_literals in sequence, but that
|
|
// doesn't mean that they are implicitly concatenated in JavaScript.
|
|
verifyFormat("var f = `aaaa ${a ? 'a' : 'b'}`;");
|
|
|
|
// Ensure that scopes are appropriately set around evaluated expressions in
|
|
// template strings.
|
|
verifyFormat("var f = `aaaaaaaaaaaaa:${aaaaaaa.aaaaa} aaaaaaaa\n"
|
|
" aaaaaaaaaaaaa:${aaaaaaa.aaaaa} aaaaaaaa`;",
|
|
"var f = `aaaaaaaaaaaaa:${aaaaaaa. aaaaa} aaaaaaaa\n"
|
|
" aaaaaaaaaaaaa:${ aaaaaaa. aaaaa} aaaaaaaa`;");
|
|
verifyFormat("var x = someFunction(`${})`) //\n"
|
|
" .oooooooooooooooooon();");
|
|
verifyFormat("var x = someFunction(`${aaaa}${\n"
|
|
" aaaaa( //\n"
|
|
" aaaaa)})`);");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TemplateStringMultiLineExpression) {
|
|
verifyFormat("var f = `aaaaaaaaaaaaaaaaaa: ${\n"
|
|
" aaaaa + //\n"
|
|
" bbbb}`;",
|
|
"var f = `aaaaaaaaaaaaaaaaaa: ${aaaaa + //\n"
|
|
" bbbb}`;");
|
|
verifyFormat("var f = `\n"
|
|
" aaaaaaaaaaaaaaaaaa: ${\n"
|
|
" aaaaa + //\n"
|
|
" bbbb}`;",
|
|
"var f = `\n"
|
|
" aaaaaaaaaaaaaaaaaa: ${ aaaaa + //\n"
|
|
" bbbb }`;");
|
|
verifyFormat("var f = `\n"
|
|
" aaaaaaaaaaaaaaaaaa: ${\n"
|
|
" someFunction(\n"
|
|
" aaaaa + //\n"
|
|
" bbbb)}`;",
|
|
"var f = `\n"
|
|
" aaaaaaaaaaaaaaaaaa: ${someFunction (\n"
|
|
" aaaaa + //\n"
|
|
" bbbb)}`;");
|
|
|
|
// It might be preferable to wrap before "someFunction".
|
|
verifyFormat("var f = `\n"
|
|
" aaaaaaaaaaaaaaaaaa: ${someFunction({\n"
|
|
" aaaa: aaaaa,\n"
|
|
" bbbb: bbbbb,\n"
|
|
"})}`;",
|
|
"var f = `\n"
|
|
" aaaaaaaaaaaaaaaaaa: ${someFunction ({\n"
|
|
" aaaa: aaaaa,\n"
|
|
" bbbb: bbbbb,\n"
|
|
" })}`;");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TemplateStringASI) {
|
|
verifyFormat("var x = `hello${world}`;", "var x = `hello${\n"
|
|
" world\n"
|
|
"}`;");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, NestedTemplateStrings) {
|
|
verifyFormat(
|
|
"var x = `<ul>${xs.map(x => `<li>${x}</li>`).join('\\n')}</ul>`;");
|
|
verifyFormat("var x = `he${({text: 'll'}.text)}o`;");
|
|
|
|
// Crashed at some point.
|
|
verifyFormat("}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TaggedTemplateStrings) {
|
|
verifyFormat("var x = html`<ul>`;");
|
|
verifyFormat("yield `hello`;");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, CastSyntax) {
|
|
verifyFormat("var x = <type>foo;");
|
|
verifyFormat("var x = foo as type;");
|
|
verifyFormat("let x = (a + b) as\n"
|
|
" LongTypeIsLong;",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("foo = <Bar[]>[\n"
|
|
" 1, //\n"
|
|
" 2\n"
|
|
"];");
|
|
verifyFormat("var x = [{x: 1} as type];");
|
|
verifyFormat("x = x as [a, b];");
|
|
verifyFormat("x = x as {a: string};");
|
|
verifyFormat("x = x as (string);");
|
|
verifyFormat("x = x! as (string);");
|
|
verifyFormat("x = y! in z;");
|
|
verifyFormat("var x = something.someFunction() as\n"
|
|
" something;",
|
|
getGoogleJSStyleWithColumns(40));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, TypeArguments) {
|
|
verifyFormat("class X<Y> {}");
|
|
verifyFormat("new X<Y>();");
|
|
verifyFormat("foo<Y>(a);");
|
|
verifyFormat("var x: X<Y>[];");
|
|
verifyFormat("class C extends D<E> implements F<G>, H<I> {}");
|
|
verifyFormat("function f(a: List<any> = null) {}");
|
|
verifyFormat("function f(): List<any> {}");
|
|
verifyFormat("function aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa():\n"
|
|
" bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb {}");
|
|
verifyFormat("function aaaaaaaaaa(\n"
|
|
" aaaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaa,\n"
|
|
" aaaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaa):\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa {}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, UserDefinedTypeGuards) {
|
|
verifyFormat(
|
|
"function foo(check: Object):\n"
|
|
" check is {foo: string, bar: string, baz: string, foobar: string} {\n"
|
|
" return 'bar' in check;\n"
|
|
"}\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, OptionalTypes) {
|
|
verifyFormat("function x(a?: b, c?, d?) {}");
|
|
verifyFormat("class X {\n"
|
|
" y?: z;\n"
|
|
" z?;\n"
|
|
"}");
|
|
verifyFormat("interface X {\n"
|
|
" y?(): z;\n"
|
|
"}");
|
|
verifyFormat("constructor({aa}: {\n"
|
|
" aa?: string,\n"
|
|
" aaaaaaaa?: string,\n"
|
|
" aaaaaaaaaaaaaaa?: boolean,\n"
|
|
" aaaaaa?: List<string>\n"
|
|
"}) {}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, IndexSignature) {
|
|
verifyFormat("var x: {[k: string]: v};");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, WrapAfterParen) {
|
|
verifyFormat("xxxxxxxxxxx(\n"
|
|
" aaa, aaa);",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("xxxxxxxxxxx(\n"
|
|
" aaa, aaa, aaa,\n"
|
|
" aaa, aaa, aaa);",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("xxxxxxxxxxx(\n"
|
|
" aaaaaaaaaaaaaaaaaaaaaaaa,\n"
|
|
" function(x) {\n"
|
|
" y(); //\n"
|
|
" });",
|
|
getGoogleJSStyleWithColumns(40));
|
|
verifyFormat("while (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&\n"
|
|
" bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, JSDocAnnotations) {
|
|
verifyFormat("/**\n"
|
|
" * @exports {this.is.a.long.path.to.a.Type}\n"
|
|
" */",
|
|
"/**\n"
|
|
" * @exports {this.is.a.long.path.to.a.Type}\n"
|
|
" */",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("/**\n"
|
|
" * @mods {this.is.a.long.path.to.a.Type}\n"
|
|
" */",
|
|
"/**\n"
|
|
" * @mods {this.is.a.long.path.to.a.Type}\n"
|
|
" */",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("/**\n"
|
|
" * @mods {this.is.a.long.path.to.a.Type}\n"
|
|
" */",
|
|
"/**\n"
|
|
" * @mods {this.is.a.long.path.to.a.Type}\n"
|
|
" */",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("/**\n"
|
|
" * @param {canWrap\n"
|
|
" * onSpace}\n"
|
|
" */",
|
|
"/**\n"
|
|
" * @param {canWrap onSpace}\n"
|
|
" */",
|
|
getGoogleJSStyleWithColumns(20));
|
|
// make sure clang-format doesn't break before *any* '{'
|
|
verifyFormat("/**\n"
|
|
" * @lala {lala {lalala\n"
|
|
" */\n",
|
|
"/**\n"
|
|
" * @lala {lala {lalala\n"
|
|
" */\n",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("/**\n"
|
|
" * @see http://very/very/long/url/is/long\n"
|
|
" */",
|
|
"/**\n"
|
|
" * @see http://very/very/long/url/is/long\n"
|
|
" */",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat(
|
|
"/**\n"
|
|
" * @param This is a\n"
|
|
" * long comment\n"
|
|
" * but no type\n"
|
|
" */",
|
|
"/**\n"
|
|
" * @param This is a long comment but no type\n"
|
|
" */",
|
|
getGoogleJSStyleWithColumns(20));
|
|
// Break and reindent @param line and reflow unrelated lines.
|
|
EXPECT_EQ("{\n"
|
|
" /**\n"
|
|
" * long long long\n"
|
|
" * long\n"
|
|
" * @param {this.is.a.long.path.to.a.Type}\n"
|
|
" * a\n"
|
|
" * long long long\n"
|
|
" * long long\n"
|
|
" */\n"
|
|
" function f(a) {}\n"
|
|
"}",
|
|
format("{\n"
|
|
"/**\n"
|
|
" * long long long long\n"
|
|
" * @param {this.is.a.long.path.to.a.Type} a\n"
|
|
" * long long long long\n"
|
|
" * long\n"
|
|
" */\n"
|
|
" function f(a) {}\n"
|
|
"}",
|
|
getGoogleJSStyleWithColumns(20)));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RequoteStringsSingle) {
|
|
verifyFormat("var x = 'foo';", "var x = \"foo\";");
|
|
verifyFormat("var x = 'fo\\'o\\'';", "var x = \"fo'o'\";");
|
|
verifyFormat("var x = 'fo\\'o\\'';", "var x = \"fo\\'o'\";");
|
|
verifyFormat(
|
|
"var x =\n"
|
|
" 'foo\\'';",
|
|
// Code below is 15 chars wide, doesn't fit into the line with the
|
|
// \ escape added.
|
|
"var x = \"foo'\";", getGoogleJSStyleWithColumns(15));
|
|
// Removes no-longer needed \ escape from ".
|
|
verifyFormat("var x = 'fo\"o';", "var x = \"fo\\\"o\";");
|
|
// Code below fits into 15 chars *after* removing the \ escape.
|
|
verifyFormat("var x = 'fo\"o';", "var x = \"fo\\\"o\";",
|
|
getGoogleJSStyleWithColumns(15));
|
|
verifyFormat("// clang-format off\n"
|
|
"let x = \"double\";\n"
|
|
"// clang-format on\n"
|
|
"let x = 'single';\n",
|
|
"// clang-format off\n"
|
|
"let x = \"double\";\n"
|
|
"// clang-format on\n"
|
|
"let x = \"single\";\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RequoteAndIndent) {
|
|
verifyFormat("let x = someVeryLongFunctionThatGoesOnAndOn(\n"
|
|
" 'double quoted string that needs wrapping');",
|
|
"let x = someVeryLongFunctionThatGoesOnAndOn("
|
|
"\"double quoted string that needs wrapping\");");
|
|
|
|
verifyFormat("let x =\n"
|
|
" 'foo\\'oo';\n"
|
|
"let x =\n"
|
|
" 'foo\\'oo';",
|
|
"let x=\"foo'oo\";\n"
|
|
"let x=\"foo'oo\";",
|
|
getGoogleJSStyleWithColumns(15));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RequoteStringsDouble) {
|
|
FormatStyle DoubleQuotes = getGoogleStyle(FormatStyle::LK_JavaScript);
|
|
DoubleQuotes.JavaScriptQuotes = FormatStyle::JSQS_Double;
|
|
verifyFormat("var x = \"foo\";", DoubleQuotes);
|
|
verifyFormat("var x = \"foo\";", "var x = 'foo';", DoubleQuotes);
|
|
verifyFormat("var x = \"fo'o\";", "var x = 'fo\\'o';", DoubleQuotes);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, RequoteStringsLeave) {
|
|
FormatStyle LeaveQuotes = getGoogleStyle(FormatStyle::LK_JavaScript);
|
|
LeaveQuotes.JavaScriptQuotes = FormatStyle::JSQS_Leave;
|
|
verifyFormat("var x = \"foo\";", LeaveQuotes);
|
|
verifyFormat("var x = 'foo';", LeaveQuotes);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, SupportShebangLines) {
|
|
verifyFormat("#!/usr/bin/env node\n"
|
|
"var x = hello();",
|
|
"#!/usr/bin/env node\n"
|
|
"var x = hello();");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, NonNullAssertionOperator) {
|
|
verifyFormat("let x = foo!.bar();\n");
|
|
verifyFormat("let x = foo ? bar! : baz;\n");
|
|
verifyFormat("let x = !foo;\n");
|
|
verifyFormat("if (!+a) {\n}");
|
|
verifyFormat("let x = foo[0]!;\n");
|
|
verifyFormat("let x = (foo)!;\n");
|
|
verifyFormat("let x = x(foo!);\n");
|
|
verifyFormat(
|
|
"a.aaaaaa(a.a!).then(\n"
|
|
" x => x(x));\n",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("let x = foo! - 1;\n");
|
|
verifyFormat("let x = {foo: 1}!;\n");
|
|
verifyFormat(
|
|
"let x = hello.foo()!\n"
|
|
" .foo()!\n"
|
|
" .foo()!\n"
|
|
" .foo()!;\n",
|
|
getGoogleJSStyleWithColumns(20));
|
|
verifyFormat("let x = namespace!;\n");
|
|
verifyFormat("return !!x;\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, Conditional) {
|
|
verifyFormat("y = x ? 1 : 2;");
|
|
verifyFormat("x ? 1 : 2;");
|
|
verifyFormat("class Foo {\n"
|
|
" field = true ? 1 : 2;\n"
|
|
" method(a = true ? 1 : 2) {}\n"
|
|
"}");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ImportComments) {
|
|
verifyFormat("import {x} from 'x'; // from some location",
|
|
getGoogleJSStyleWithColumns(25));
|
|
verifyFormat("// taze: x from 'location'", getGoogleJSStyleWithColumns(10));
|
|
verifyFormat("/// <reference path=\"some/location\" />", getGoogleJSStyleWithColumns(10));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, Exponentiation) {
|
|
verifyFormat("squared = x ** 2;");
|
|
verifyFormat("squared **= 2;");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, NestedLiterals) {
|
|
FormatStyle FourSpaces = getGoogleJSStyleWithColumns(15);
|
|
FourSpaces.IndentWidth = 4;
|
|
verifyFormat("var l = [\n"
|
|
" [\n"
|
|
" 1,\n"
|
|
" ],\n"
|
|
"];", FourSpaces);
|
|
verifyFormat("var l = [\n"
|
|
" {\n"
|
|
" 1: 1,\n"
|
|
" },\n"
|
|
"];", FourSpaces);
|
|
verifyFormat("someFunction(\n"
|
|
" p1,\n"
|
|
" [\n"
|
|
" 1,\n"
|
|
" ],\n"
|
|
");", FourSpaces);
|
|
verifyFormat("someFunction(\n"
|
|
" p1,\n"
|
|
" {\n"
|
|
" 1: 1,\n"
|
|
" },\n"
|
|
");", FourSpaces);
|
|
verifyFormat("var o = {\n"
|
|
" 1: 1,\n"
|
|
" 2: {\n"
|
|
" 3: 3,\n"
|
|
" },\n"
|
|
"};", FourSpaces);
|
|
verifyFormat("var o = {\n"
|
|
" 1: 1,\n"
|
|
" 2: [\n"
|
|
" 3,\n"
|
|
" ],\n"
|
|
"};", FourSpaces);
|
|
}
|
|
|
|
TEST_F(FormatTestJS, BackslashesInComments) {
|
|
verifyFormat("// hello \\\n"
|
|
"if (x) foo();\n",
|
|
"// hello \\\n"
|
|
" if ( x) \n"
|
|
" foo();\n");
|
|
verifyFormat("/* ignore \\\n"
|
|
" */\n"
|
|
"if (x) foo();\n",
|
|
"/* ignore \\\n"
|
|
" */\n"
|
|
" if ( x) foo();\n");
|
|
verifyFormat("// st \\ art\\\n"
|
|
"// comment"
|
|
"// continue \\\n"
|
|
"formatMe();\n",
|
|
"// st \\ art\\\n"
|
|
"// comment"
|
|
"// continue \\\n"
|
|
"formatMe( );\n");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, AddsLastLinePenaltyIfEndingIsBroken) {
|
|
EXPECT_EQ(
|
|
"a = function() {\n"
|
|
" b = function() {\n"
|
|
" this.aaaaaaaaaaaaaaaaaaa[aaaaaaaaaaa] = aaaa.aaaaaa ?\n"
|
|
" aaaa.aaaaaa : /** @type "
|
|
"{aaaa.aaaa.aaaaaaaaa.aaaaaaaaaaaaaaaaaaa} */\n"
|
|
" (aaaa.aaaa.aaaaaaaaa.aaaaaaaaaaaaa.aaaaaaaaaaaaaaaaa);\n"
|
|
" };\n"
|
|
"};",
|
|
format("a = function() {\n"
|
|
" b = function() {\n"
|
|
" this.aaaaaaaaaaaaaaaaaaa[aaaaaaaaaaa] = aaaa.aaaaaa ? "
|
|
"aaaa.aaaaaa : /** @type "
|
|
"{aaaa.aaaa.aaaaaaaaa.aaaaaaaaaaaaaaaaaaa} */\n"
|
|
" (aaaa.aaaa.aaaaaaaaa.aaaaaaaaaaaaa.aaaaaaaaaaaaaaaaa);\n"
|
|
" };\n"
|
|
"};"));
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ParameterNamingComment) {
|
|
verifyFormat("callFoo(/*spaceAfterParameterNamingComment=*/ 1);");
|
|
}
|
|
|
|
TEST_F(FormatTestJS, ConditionalTypes) {
|
|
// Formatting below is not necessarily intentional, this just ensures that
|
|
// clang-format does not break the code.
|
|
verifyFormat( // wrap
|
|
"type UnionToIntersection<U> =\n"
|
|
" (U extends any ? (k: U) => void :\n"
|
|
" never) extends((k: infer I) => void) ? I : never;");
|
|
}
|
|
|
|
} // end namespace tooling
|
|
} // end namespace clang
|