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0975a7654a
Some LLVM unit tests forget to clean up temporary files and directories. Introduce RAII classes for cleaning them up. Refactor the tests to use those classes. Differential Revision: https://reviews.llvm.org/D83228
55 lines
2.3 KiB
C++
55 lines
2.3 KiB
C++
//===- llvm/unittest/Support/FileUtilitiesTest.cpp - unit tests -----------===//
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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 "llvm/Support/FileUtilities.h"
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#include "llvm/Support/Errc.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/Path.h"
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#include "llvm/Testing/Support/SupportHelpers.h"
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#include "gtest/gtest.h"
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#include <fstream>
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using namespace llvm;
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using namespace llvm::sys;
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using llvm::unittest::TempDir;
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#define ASSERT_NO_ERROR(x) \
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if (std::error_code ASSERT_NO_ERROR_ec = x) { \
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SmallString<128> MessageStorage; \
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raw_svector_ostream Message(MessageStorage); \
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Message << #x ": did not return errc::success.\n" \
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<< "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
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<< "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
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GTEST_FATAL_FAILURE_(MessageStorage.c_str()); \
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} else { \
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}
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namespace {
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TEST(writeFileAtomicallyTest, Test) {
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// Create unique temporary directory for these tests
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TempDir RootTestDirectory("writeFileAtomicallyTest", /*Unique*/ true);
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SmallString<128> FinalTestfilePath(RootTestDirectory.path());
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sys::path::append(FinalTestfilePath, "foo.txt");
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const std::string TempUniqTestFileModel =
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std::string(FinalTestfilePath) + "-%%%%%%%%";
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const std::string TestfileContent = "fooFOOfoo";
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llvm::Error Err = llvm::writeFileAtomically(TempUniqTestFileModel, FinalTestfilePath, TestfileContent);
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ASSERT_FALSE(static_cast<bool>(Err));
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std::ifstream FinalFileStream(std::string(FinalTestfilePath.str()));
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std::string FinalFileContent;
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FinalFileStream >> FinalFileContent;
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ASSERT_EQ(FinalFileContent, TestfileContent);
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}
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} // anonymous namespace
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