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87f14b4eec
subsequent changes are easier to review. About to fix some layering issues, and wanted to separate out the necessary churn. Also comment and sink the include of "Windows.h" in three .inc files to match the usage in Memory.inc. llvm-svn: 198685
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
//===- unittests/LockFileManagerTest.cpp - LockFileManager tests ----------===//
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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 "llvm/Support/LockFileManager.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/Path.h"
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#include "gtest/gtest.h"
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#include <memory>
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using namespace llvm;
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namespace {
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TEST(LockFileManagerTest, Basic) {
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SmallString<64> TmpDir;
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error_code EC;
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EC = sys::fs::createUniqueDirectory("LockFileManagerTestDir", TmpDir);
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ASSERT_FALSE(EC);
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SmallString<64> LockedFile(TmpDir);
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sys::path::append(LockedFile, "file.lock");
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{
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// The lock file should not exist, so we should successfully acquire it.
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LockFileManager Locked1(LockedFile);
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EXPECT_EQ(LockFileManager::LFS_Owned, Locked1.getState());
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// Attempting to reacquire the lock should fail. Waiting on it would cause
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// deadlock, so don't try that.
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LockFileManager Locked2(LockedFile);
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EXPECT_NE(LockFileManager::LFS_Owned, Locked2.getState());
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}
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// Now that the lock is out of scope, the file should be gone.
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EXPECT_FALSE(sys::fs::exists(StringRef(LockedFile)));
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sys::fs::remove_all(StringRef(TmpDir));
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}
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} // end anonymous namespace
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