forked from OSchip/llvm-project
621 lines
22 KiB
C++
621 lines
22 KiB
C++
//===- unittests/Lex/DependencyDirectivesSourceMinimizer.cpp - -----------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Lex/DependencyDirectivesSourceMinimizer.h"
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#include "llvm/ADT/SmallString.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace clang;
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using namespace clang::minimize_source_to_dependency_directives;
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namespace clang {
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bool minimizeSourceToDependencyDirectives(StringRef Input,
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SmallVectorImpl<char> &Out) {
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SmallVector<minimize_source_to_dependency_directives::Token, 32> Tokens;
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return minimizeSourceToDependencyDirectives(Input, Out, Tokens);
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}
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} // end namespace clang
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namespace {
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TEST(MinimizeSourceToDependencyDirectivesTest, Empty) {
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SmallVector<char, 128> Out;
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SmallVector<Token, 4> Tokens;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("", Out, Tokens));
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EXPECT_TRUE(Out.empty());
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ASSERT_EQ(1u, Tokens.size());
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ASSERT_EQ(pp_eof, Tokens.back().K);
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("abc def\nxyz", Out, Tokens));
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EXPECT_TRUE(Out.empty());
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ASSERT_EQ(1u, Tokens.size());
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ASSERT_EQ(pp_eof, Tokens.back().K);
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, AllTokens) {
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SmallVector<char, 128> Out;
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SmallVector<Token, 4> Tokens;
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define A\n"
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"#undef A\n"
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"#endif\n"
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"#if A\n"
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"#ifdef A\n"
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"#ifndef A\n"
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"#elif A\n"
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"#else\n"
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"#include <A>\n"
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"#include_next <A>\n"
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"#__include_macros <A>\n"
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"#import <A>\n"
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"@import A;\n"
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"#pragma clang module import A\n"
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"export module m;\n"
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"import m;\n",
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Out, Tokens));
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EXPECT_EQ(pp_define, Tokens[0].K);
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EXPECT_EQ(pp_undef, Tokens[1].K);
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EXPECT_EQ(pp_endif, Tokens[2].K);
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EXPECT_EQ(pp_if, Tokens[3].K);
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EXPECT_EQ(pp_ifdef, Tokens[4].K);
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EXPECT_EQ(pp_ifndef, Tokens[5].K);
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EXPECT_EQ(pp_elif, Tokens[6].K);
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EXPECT_EQ(pp_else, Tokens[7].K);
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EXPECT_EQ(pp_include, Tokens[8].K);
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EXPECT_EQ(pp_include_next, Tokens[9].K);
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EXPECT_EQ(pp___include_macros, Tokens[10].K);
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EXPECT_EQ(pp_import, Tokens[11].K);
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EXPECT_EQ(decl_at_import, Tokens[12].K);
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EXPECT_EQ(pp_pragma_import, Tokens[13].K);
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EXPECT_EQ(cxx_export_decl, Tokens[14].K);
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EXPECT_EQ(cxx_module_decl, Tokens[15].K);
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EXPECT_EQ(cxx_import_decl, Tokens[16].K);
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EXPECT_EQ(pp_eof, Tokens[17].K);
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, Define) {
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SmallVector<char, 128> Out;
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SmallVector<Token, 4> Tokens;
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO", Out, Tokens));
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EXPECT_STREQ("#define MACRO\n", Out.data());
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ASSERT_EQ(2u, Tokens.size());
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ASSERT_EQ(pp_define, Tokens.front().K);
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, DefineSpacing) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO\n\n\n", Out));
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EXPECT_STREQ("#define MACRO\n", Out.data());
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO \n\n\n", Out));
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EXPECT_STREQ("#define MACRO\n", Out.data());
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO a \n\n\n", Out));
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EXPECT_STREQ("#define MACRO a\n", Out.data());
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO\n\n\n", Out));
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EXPECT_STREQ("#define MACRO\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, DefineMacroArguments) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#define MACRO()", Out));
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EXPECT_STREQ("#define MACRO()\n", Out.data());
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO(a, b...)", Out));
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EXPECT_STREQ("#define MACRO(a,b...)\n", Out.data());
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO content", Out));
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EXPECT_STREQ("#define MACRO content\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(
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"#define MACRO con tent ", Out));
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EXPECT_STREQ("#define MACRO con tent\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(
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"#define MACRO() con tent ", Out));
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EXPECT_STREQ("#define MACRO() con tent\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, DefineInvalidMacroArguments) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#define MACRO((a))", Out));
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EXPECT_STREQ("#define MACRO(/* invalid */\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#define MACRO(", Out));
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EXPECT_STREQ("#define MACRO(/* invalid */\n", Out.data());
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO(a * b)", Out));
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EXPECT_STREQ("#define MACRO(/* invalid */\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, DefineHorizontalWhitespace) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(
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"#define MACRO(\t)\tcon \t tent\t", Out));
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EXPECT_STREQ("#define MACRO() con \t tent\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(
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"#define MACRO(\f)\fcon \f tent\f", Out));
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EXPECT_STREQ("#define MACRO() con \f tent\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(
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"#define MACRO(\v)\vcon \v tent\v", Out));
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EXPECT_STREQ("#define MACRO() con \v tent\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(
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"#define MACRO \t\v\f\v\t con\f\t\vtent\v\f \v", Out));
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EXPECT_STREQ("#define MACRO con\f\t\vtent\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, DefineMultilineArgs) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO(a \\\n"
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" )",
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Out));
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EXPECT_STREQ("#define MACRO(a)\n", Out.data());
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO(a, \\\n"
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" b) \\\n"
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" call((a), \\\n"
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" (b))",
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Out));
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EXPECT_STREQ("#define MACRO(a,b) call((a),(b))\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest,
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DefineMultilineArgsCarriageReturn) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO(a, \\\r"
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" b) \\\r"
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" call((a), \\\r"
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" (b))",
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Out));
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EXPECT_STREQ("#define MACRO(a,b) call((a),(b))\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest,
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DefineMultilineArgsCarriageReturnNewline) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO(a, \\\r\n"
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" b) \\\r\n"
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" call((a), \\\r\n"
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" (b))",
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Out));
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EXPECT_STREQ("#define MACRO(a,b) call((a),(b))\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest,
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DefineMultilineArgsNewlineCarriageReturn) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO(a, \\\n\r"
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" b) \\\n\r"
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" call((a), \\\n\r"
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" (b))",
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Out));
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EXPECT_STREQ("#define MACRO(a,b) call((a),(b))\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, DefineNumber) {
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SmallVector<char, 128> Out;
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ASSERT_TRUE(minimizeSourceToDependencyDirectives("#define 0\n", Out));
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, DefineNoName) {
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SmallVector<char, 128> Out;
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ASSERT_TRUE(minimizeSourceToDependencyDirectives("#define &\n", Out));
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, DefineNoWhitespace) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#define AND&\n", Out));
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EXPECT_STREQ("#define AND &\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#define AND\\\n"
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"&\n",
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Out));
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EXPECT_STREQ("#define AND &\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, MultilineComment) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#define MACRO a/*\n"
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" /*\n"
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"#define MISSING abc\n"
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" /*\n"
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" /* something */ \n"
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"#include /* \"def\" */ <abc> \n",
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Out));
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EXPECT_STREQ("#define MACRO a\n"
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"#include <abc>\n",
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Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, MultilineCommentInStrings) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#define MACRO1 \"/*\"\n"
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"#define MACRO2 \"*/\"\n",
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Out));
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EXPECT_STREQ("#define MACRO1 \"/*\"\n"
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"#define MACRO2 \"*/\"\n",
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Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, Ifdef) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#ifdef A\n"
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"#define B\n"
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"#endif\n",
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Out));
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EXPECT_STREQ("#ifdef A\n"
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"#define B\n"
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"#endif\n",
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Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#ifdef A\n"
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"#define B\n"
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"#elif B\n"
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"#define C\n"
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"#elif C\n"
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"#define D\n"
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"#else\n"
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"#define E\n"
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"#endif\n",
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Out));
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EXPECT_STREQ("#ifdef A\n"
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"#define B\n"
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"#elif B\n"
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"#define C\n"
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"#elif C\n"
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"#define D\n"
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"#else\n"
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"#define E\n"
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"#endif\n",
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Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, EmptyIfdef) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#ifdef A\n"
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"#elif B\n"
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"#elif C\n"
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"#else D\n"
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"#endif\n",
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Out));
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EXPECT_STREQ("", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, Pragma) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#pragma A\n", Out));
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EXPECT_STREQ("", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#pragma clang\n", Out));
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EXPECT_STREQ("", Out.data());
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#pragma clang module\n", Out));
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EXPECT_STREQ("", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(
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"#pragma clang module impor\n", Out));
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EXPECT_STREQ("", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(
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"#pragma clang module import\n", Out));
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EXPECT_STREQ("#pragma clang module import\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, Include) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#include \"A\"\n", Out));
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EXPECT_STREQ("#include \"A\"\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#include <A>\n", Out));
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EXPECT_STREQ("#include <A>\n", Out.data());
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#include_next <A>\n", Out));
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EXPECT_STREQ("#include_next <A>\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#import <A>\n", Out));
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EXPECT_STREQ("#import <A>\n", Out.data());
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ASSERT_FALSE(
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minimizeSourceToDependencyDirectives("#__include_macros <A>\n", Out));
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EXPECT_STREQ("#__include_macros <A>\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, AtImport) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("@import A;\n", Out));
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EXPECT_STREQ("@import A;\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(" @ import A;\n", Out));
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EXPECT_STREQ("@import A;\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("@import A\n;", Out));
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EXPECT_STREQ("@import A;\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("@import A.B;\n", Out));
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EXPECT_STREQ("@import A.B;\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(
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"@import /*x*/ A /*x*/ . /*x*/ B /*x*/ \n /*x*/ ; /*x*/", Out));
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EXPECT_STREQ("@import A.B;\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, AtImportFailures) {
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SmallVector<char, 128> Out;
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ASSERT_TRUE(minimizeSourceToDependencyDirectives("@import A\n", Out));
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ASSERT_TRUE(minimizeSourceToDependencyDirectives("@import MACRO(A);\n", Out));
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ASSERT_TRUE(minimizeSourceToDependencyDirectives("@import \" \";\n", Out));
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, RawStringLiteral) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#ifndef GUARD\n"
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"#define GUARD\n"
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"R\"()\"\n"
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"#endif\n",
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Out));
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EXPECT_STREQ("#ifndef GUARD\n"
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"#define GUARD\n"
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"#endif\n",
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Out.data());
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bool RawStringLiteralResult = minimizeSourceToDependencyDirectives(
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"#ifndef GUARD\n"
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"#define GUARD\n"
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R"raw(static constexpr char bytes[] = R"(-?:\,[]{}#&*!|>'"%@`)";)raw"
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"\n"
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"#endif\n",
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Out);
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ASSERT_FALSE(RawStringLiteralResult);
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EXPECT_STREQ("#ifndef GUARD\n"
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"#define GUARD\n"
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"#endif\n",
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Out.data());
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bool RawStringLiteralResult2 = minimizeSourceToDependencyDirectives(
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"#ifndef GUARD\n"
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"#define GUARD\n"
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R"raw(static constexpr char bytes[] = R"abc(-?:\,[]{}#&*!|>'"%@`)abc";)raw"
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"\n"
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"#endif\n",
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Out);
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ASSERT_FALSE(RawStringLiteralResult2);
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EXPECT_STREQ("#ifndef GUARD\n"
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"#define GUARD\n"
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"#endif\n",
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Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, SplitIdentifier) {
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SmallVector<char, 128> Out;
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#if\\\n"
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"ndef GUARD\n"
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"#define GUARD\n"
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"#endif\n",
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Out));
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EXPECT_STREQ("#ifndef GUARD\n"
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"#define GUARD\n"
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"#endif\n",
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Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#define GUA\\\n"
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"RD\n",
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Out));
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EXPECT_STREQ("#define GUARD\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#define GUA\\\r"
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"RD\n",
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Out));
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EXPECT_STREQ("#define GUARD\n", Out.data());
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ASSERT_FALSE(minimizeSourceToDependencyDirectives("#define GUA\\\n"
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" RD\n",
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Out));
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EXPECT_STREQ("#define GUA RD\n", Out.data());
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}
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TEST(MinimizeSourceToDependencyDirectivesTest, PoundWarningAndError) {
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SmallVector<char, 128> Out;
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for (auto Source : {
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"#warning '\n#include <t.h>\n",
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"#warning \"\n#include <t.h>\n",
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"#warning /*\n#include <t.h>\n",
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"#warning \\\n#include <t.h>\n#include <t.h>\n",
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"#error '\n#include <t.h>\n",
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"#error \"\n#include <t.h>\n",
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"#error /*\n#include <t.h>\n",
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"#error \\\n#include <t.h>\n#include <t.h>\n",
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}) {
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ASSERT_FALSE(minimizeSourceToDependencyDirectives(Source, Out));
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EXPECT_STREQ("#include <t.h>\n", Out.data());
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}
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for (auto Source : {
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"#warning \\\n#include <t.h>\n",
|
|
"#error \\\n#include <t.h>\n",
|
|
"#if MACRO\n#warning '\n#endif\n",
|
|
"#if MACRO\n#warning \"\n#endif\n",
|
|
"#if MACRO\n#warning /*\n#endif\n",
|
|
"#if MACRO\n#error '\n#endif\n",
|
|
"#if MACRO\n#error \"\n#endif\n",
|
|
"#if MACRO\n#error /*\n#endif\n",
|
|
}) {
|
|
ASSERT_FALSE(minimizeSourceToDependencyDirectives(Source, Out));
|
|
EXPECT_STREQ("", Out.data());
|
|
}
|
|
}
|
|
|
|
TEST(MinimizeSourceToDependencyDirectivesTest, CharacterLiteral) {
|
|
SmallVector<char, 128> Out;
|
|
|
|
StringRef Source = R"(
|
|
#include <bob>
|
|
int a = 0'1;
|
|
int b = 0xfa'af'fa;
|
|
int c = 12 ' ';
|
|
#include <foo>
|
|
)";
|
|
ASSERT_FALSE(minimizeSourceToDependencyDirectives(Source, Out));
|
|
EXPECT_STREQ("#include <bob>\n#include <foo>\n", Out.data());
|
|
}
|
|
|
|
TEST(MinimizeSourceToDependencyDirectivesTest, CharacterLiteralPrefixL) {
|
|
SmallVector<char, 128> Out;
|
|
|
|
StringRef Source = R"(L'P'
|
|
#if DEBUG
|
|
// '
|
|
#endif
|
|
#include <test.h>
|
|
)";
|
|
ASSERT_FALSE(minimizeSourceToDependencyDirectives(Source, Out));
|
|
EXPECT_STREQ("#include <test.h>\n", Out.data());
|
|
}
|
|
|
|
TEST(MinimizeSourceToDependencyDirectivesTest, CharacterLiteralPrefixU) {
|
|
SmallVector<char, 128> Out;
|
|
|
|
StringRef Source = R"(int x = U'P';
|
|
#include <test.h>
|
|
// '
|
|
)";
|
|
ASSERT_FALSE(minimizeSourceToDependencyDirectives(Source, Out));
|
|
EXPECT_STREQ("#include <test.h>\n", Out.data());
|
|
}
|
|
|
|
TEST(MinimizeSourceToDependencyDirectivesTest, CharacterLiteralPrefixu) {
|
|
SmallVector<char, 128> Out;
|
|
|
|
StringRef Source = R"(int x = u'b';
|
|
int y = u8'a';
|
|
int z = 128'78;
|
|
#include <test.h>
|
|
// '
|
|
)";
|
|
ASSERT_FALSE(minimizeSourceToDependencyDirectives(Source, Out));
|
|
EXPECT_STREQ("#include <test.h>\n", Out.data());
|
|
}
|
|
|
|
TEST(MinimizeSourceToDependencyDirectivesTest, PragmaOnce) {
|
|
SmallVector<char, 128> Out;
|
|
SmallVector<Token, 4> Tokens;
|
|
|
|
StringRef Source = R"(// comment
|
|
#pragma once
|
|
// another comment
|
|
#include <test.h>
|
|
)";
|
|
ASSERT_FALSE(minimizeSourceToDependencyDirectives(Source, Out, Tokens));
|
|
EXPECT_STREQ("#pragma once\n#include <test.h>\n", Out.data());
|
|
ASSERT_EQ(Tokens.size(), 3u);
|
|
EXPECT_EQ(Tokens[0].K,
|
|
minimize_source_to_dependency_directives::pp_pragma_once);
|
|
|
|
Source = R"(// comment
|
|
#pragma once extra tokens
|
|
// another comment
|
|
#include <test.h>
|
|
)";
|
|
ASSERT_FALSE(minimizeSourceToDependencyDirectives(Source, Out));
|
|
EXPECT_STREQ("#pragma once\n#include <test.h>\n", Out.data());
|
|
}
|
|
|
|
TEST(MinimizeSourceToDependencyDirectivesTest, CxxModules) {
|
|
SmallVector<char, 128> Out;
|
|
SmallVector<Token, 4> Tokens;
|
|
|
|
StringRef Source = R"(
|
|
module;
|
|
#include "textual-header.h"
|
|
|
|
export module m;
|
|
exp\
|
|
ort \
|
|
import \
|
|
:l [[rename]];
|
|
|
|
export void f();
|
|
|
|
void h() {
|
|
import.a = 3;
|
|
import = 3;
|
|
import <<= 3;
|
|
import->a = 3;
|
|
import();
|
|
import . a();
|
|
|
|
import a b d e d e f e;
|
|
import foo [[no_unique_address]];
|
|
import foo();
|
|
import f(:sefse);
|
|
import f(->a = 3);
|
|
}
|
|
)";
|
|
ASSERT_FALSE(minimizeSourceToDependencyDirectives(Source, Out, Tokens));
|
|
EXPECT_STREQ("#include \"textual-header.h\"\nexport module m;\n"
|
|
"export import :l [[rename]];\n"
|
|
"import <<= 3;\nimport a b d e d e f e;\n"
|
|
"import foo [[no_unique_address]];\nimport foo();\n"
|
|
"import f(:sefse);\nimport f(->a = 3);\n", Out.data());
|
|
ASSERT_EQ(Tokens.size(), 12u);
|
|
EXPECT_EQ(Tokens[0].K,
|
|
minimize_source_to_dependency_directives::pp_include);
|
|
EXPECT_EQ(Tokens[2].K,
|
|
minimize_source_to_dependency_directives::cxx_module_decl);
|
|
}
|
|
|
|
} // end anonymous namespace
|