mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 03:02:36 +01:00
6f129a9240
This fixes a bug from r187826. Reviewers: hans Differential Revision: http://llvm-reviews.chandlerc.com/D1304 llvm-svn: 187846
49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
//===- unittests/LockFileManagerTest.cpp - LockFileManager tests ----------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Support/LockFileManager.h"
|
|
#include "llvm/Support/FileSystem.h"
|
|
#include "llvm/Support/Path.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
#include <memory>
|
|
|
|
using namespace llvm;
|
|
|
|
namespace {
|
|
|
|
TEST(LockFileManagerTest, Basic) {
|
|
SmallString<64> TmpDir;
|
|
error_code EC;
|
|
EC = sys::fs::createUniqueDirectory("LockFileManagerTestDir", TmpDir);
|
|
ASSERT_FALSE(EC);
|
|
|
|
SmallString<64> LockedFile(TmpDir);
|
|
sys::path::append(LockedFile, "file.lock");
|
|
|
|
{
|
|
// The lock file should not exist, so we should successfully acquire it.
|
|
LockFileManager Locked1(LockedFile);
|
|
EXPECT_EQ(LockFileManager::LFS_Owned, Locked1.getState());
|
|
|
|
// Attempting to reacquire the lock should fail. Waiting on it would cause
|
|
// deadlock, so don't try that.
|
|
LockFileManager Locked2(LockedFile);
|
|
EXPECT_NE(LockFileManager::LFS_Owned, Locked2.getState());
|
|
}
|
|
|
|
// Now that the lock is out of scope, the file should be gone.
|
|
EXPECT_FALSE(sys::fs::exists(StringRef(LockedFile)));
|
|
|
|
sys::fs::remove_all(StringRef(TmpDir));
|
|
}
|
|
|
|
} // end anonymous namespace
|