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carbon-lang/migrate_cpp/cpp_refactoring/matcher_test_base.cpp
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Jon Meow f180c64454 Change how replacements are filtered (#541)
This replaces the use of `isExpansionInMainFile` with instead taking the list of input files, and only touching them. This doesn't keep `isExpansionInMainFile` because it should be redundant, and as such it'd be easy to forget. Unless it starts being a performance issue, it's probably better to omit.
2021-06-03 16:35:55 -07:00

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C++

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "migrate_cpp/cpp_refactoring/matcher_test_base.h"
#include "clang/Tooling/Tooling.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
namespace ct = ::clang::tooling;
namespace Carbon {
void MatcherTestBase::ExpectReplacement(llvm::StringRef before,
llvm::StringRef after) {
auto factory = ct::newFrontendActionFactory(&finder);
constexpr char Filename[] = "test.cc";
replacements.clear();
replacements.insert({Filename, {}});
ASSERT_TRUE(ct::runToolOnCodeWithArgs(
factory->create(), before, {}, Filename, "clang-tool",
std::make_shared<clang::PCHContainerOperations>(),
ct::FileContentMappings()));
EXPECT_THAT(replacements, testing::ElementsAre(testing::Key(Filename)));
auto actual = ct::applyAllReplacements(before, replacements[Filename]);
// Split lines to get gmock to get an easier-to-read error.
llvm::SmallVector<llvm::StringRef, 0> actual_lines;
llvm::SplitString(*actual, actual_lines, "\n");
llvm::SmallVector<llvm::StringRef, 0> after_lines;
llvm::SplitString(after, after_lines, "\n");
EXPECT_THAT(actual_lines, testing::ContainerEq(after_lines));
}
} // namespace Carbon