llvm-project/clang/unittests/Format/FormatTestProto.cpp

115 lines
4.3 KiB
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//===- unittest/Format/FormatTestProto.cpp --------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "FormatTestUtils.h"
#include "clang/Format/Format.h"
#include "llvm/Support/Debug.h"
#include "gtest/gtest.h"
#define DEBUG_TYPE "format-test"
namespace clang {
namespace format {
class FormatTestProto : public ::testing::Test {
protected:
static std::string format(llvm::StringRef Code, unsigned Offset,
unsigned Length, const FormatStyle &Style) {
DEBUG(llvm::errs() << "---\n");
DEBUG(llvm::errs() << Code << "\n\n");
std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
tooling::Replacements Replaces = reformat(Style, Code, Ranges);
std::string Result = applyAllReplacements(Code, Replaces);
EXPECT_NE("", Result);
DEBUG(llvm::errs() << "\n" << Result << "\n\n");
return Result;
}
static std::string format(llvm::StringRef Code) {
FormatStyle Style = getGoogleStyle(FormatStyle::LK_Proto);
Style.ColumnLimit = 60; // To make writing tests easier.
return format(Code, 0, Code.size(), Style);
}
static void verifyFormat(llvm::StringRef Code) {
EXPECT_EQ(Code.str(), format(test::messUp(Code)));
}
};
TEST_F(FormatTestProto, FormatsMessages) {
verifyFormat("message SomeMessage {\n"
" required int32 field1 = 1;\n"
"}");
verifyFormat("message SomeMessage {\n"
" required .absolute.Reference field1 = 1;\n"
"}");
verifyFormat("message SomeMessage {\n"
" required int32 field1 = 1;\n"
" optional string field2 = 2 [default = \"2\"]\n"
"}");
verifyFormat("message SomeMessage {\n"
" optional really.really.long.qualified.type.aaa.aaaaaaa\n"
" fiiiiiiiiiiiiiiiiiiiiiiiiield = 1;\n"
" optional\n"
" really.really.long.qualified.type.aaa.aaaaaaa.aaaaaaaa\n"
" another_fiiiiiiiiiiiiiiiiiiiiield = 2;\n"
"}");
}
TEST_F(FormatTestProto, FormatsEnums) {
verifyFormat("enum Type {\n"
" UNKNOWN = 0;\n"
" TYPE_A = 1;\n"
" TYPE_B = 2;\n"
"};");
}
TEST_F(FormatTestProto, UnderstandsReturns) {
verifyFormat("rpc Search(SearchRequest) returns (SearchResponse);");
}
TEST_F(FormatTestProto, MessageFieldAttributes) {
verifyFormat("optional string test = 1 [default = \"test\"];");
verifyFormat("optional bool a = 1 [default = true, deprecated = true];");
verifyFormat("optional LongMessageType long_proto_field = 1\n"
" [default = REALLY_REALLY_LONG_CONSTANT_VALUE,\n"
" deprecated = true];");
verifyFormat("optional LongMessageType long_proto_field = 1\n"
" [default = REALLY_REALLY_LONG_CONSTANT_VALUE];");
verifyFormat("repeated double value = 1\n"
" [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaaa: AAAAAAAA}];");
verifyFormat("repeated double value = 1\n"
" [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n"
" bbbbbbbbbbbbbbbb: BBBBBBBBBB}];");
verifyFormat("repeated double value = 1\n"
" [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaa: AAAAAAAAAA\n"
" bbbbbbbbbbbbbbbb: BBBBBBBBBB}];");
verifyFormat("repeated double value = 1\n"
" [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n"
" bbbbbbb: BBBB,\n"
" bbbb: BBB}];");
}
TEST_F(FormatTestProto, FormatsOptions) {
verifyFormat("option java_package = \"my.test.package\";");
verifyFormat("option (my_custom_option) = \"abc\";");
}
TEST_F(FormatTestProto, FormatsService) {
verifyFormat("service SearchService {\n"
" rpc Search(SearchRequest) returns (SearchResponse) {\n"
" option foo = true;\n"
" }\n"
"};");
}
} // end namespace tooling
} // end namespace clang