forked from OSchip/llvm-project
116 lines
4.1 KiB
C++
116 lines
4.1 KiB
C++
//===- llvm/unittest/Support/FileOutputBuffer.cpp - unit 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/FileOutputBuffer.h"
|
|
#include "llvm/Support/ErrorHandling.h"
|
|
#include "llvm/Support/FileSystem.h"
|
|
#include "llvm/Support/Path.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
using namespace llvm::sys;
|
|
|
|
#define ASSERT_NO_ERROR(x) \
|
|
if (std::error_code ASSERT_NO_ERROR_ec = x) { \
|
|
errs() << #x ": did not return errc::success.\n" \
|
|
<< "error number: " << ASSERT_NO_ERROR_ec.value() << "\n" \
|
|
<< "error message: " << ASSERT_NO_ERROR_ec.message() << "\n"; \
|
|
} else { \
|
|
}
|
|
|
|
namespace {
|
|
TEST(FileOutputBuffer, Test) {
|
|
// Create unique temporary directory for these tests
|
|
SmallString<128> TestDirectory;
|
|
{
|
|
ASSERT_NO_ERROR(
|
|
fs::createUniqueDirectory("FileOutputBuffer-test", TestDirectory));
|
|
}
|
|
|
|
// TEST 1: Verify commit case.
|
|
SmallString<128> File1(TestDirectory);
|
|
File1.append("/file1");
|
|
{
|
|
std::unique_ptr<FileOutputBuffer> Buffer;
|
|
ASSERT_NO_ERROR(FileOutputBuffer::create(File1, 8192, Buffer));
|
|
// Start buffer with special header.
|
|
memcpy(Buffer->getBufferStart(), "AABBCCDDEEFFGGHHIIJJ", 20);
|
|
// Write to end of buffer to verify it is writable.
|
|
memcpy(Buffer->getBufferEnd() - 20, "AABBCCDDEEFFGGHHIIJJ", 20);
|
|
// Commit buffer.
|
|
ASSERT_NO_ERROR(Buffer->commit());
|
|
}
|
|
|
|
// Verify file is correct size.
|
|
uint64_t File1Size;
|
|
ASSERT_NO_ERROR(fs::file_size(Twine(File1), File1Size));
|
|
ASSERT_EQ(File1Size, 8192ULL);
|
|
ASSERT_NO_ERROR(fs::remove(File1.str()));
|
|
|
|
// TEST 2: Verify abort case.
|
|
SmallString<128> File2(TestDirectory);
|
|
File2.append("/file2");
|
|
{
|
|
std::unique_ptr<FileOutputBuffer> Buffer2;
|
|
ASSERT_NO_ERROR(FileOutputBuffer::create(File2, 8192, Buffer2));
|
|
// Fill buffer with special header.
|
|
memcpy(Buffer2->getBufferStart(), "AABBCCDDEEFFGGHHIIJJ", 20);
|
|
// Do *not* commit buffer.
|
|
}
|
|
// Verify file does not exist (because buffer not committed).
|
|
bool Exists = false;
|
|
ASSERT_NO_ERROR(fs::exists(Twine(File2), Exists));
|
|
EXPECT_FALSE(Exists);
|
|
ASSERT_NO_ERROR(fs::remove(File2.str()));
|
|
|
|
// TEST 3: Verify sizing down case.
|
|
SmallString<128> File3(TestDirectory);
|
|
File3.append("/file3");
|
|
{
|
|
std::unique_ptr<FileOutputBuffer> Buffer;
|
|
ASSERT_NO_ERROR(FileOutputBuffer::create(File3, 8192000, Buffer));
|
|
// Start buffer with special header.
|
|
memcpy(Buffer->getBufferStart(), "AABBCCDDEEFFGGHHIIJJ", 20);
|
|
// Write to end of buffer to verify it is writable.
|
|
memcpy(Buffer->getBufferEnd() - 20, "AABBCCDDEEFFGGHHIIJJ", 20);
|
|
// Commit buffer, but size down to smaller size
|
|
ASSERT_NO_ERROR(Buffer->commit(5000));
|
|
}
|
|
|
|
// Verify file is correct size.
|
|
uint64_t File3Size;
|
|
ASSERT_NO_ERROR(fs::file_size(Twine(File3), File3Size));
|
|
ASSERT_EQ(File3Size, 5000ULL);
|
|
ASSERT_NO_ERROR(fs::remove(File3.str()));
|
|
|
|
// TEST 4: Verify file can be made executable.
|
|
SmallString<128> File4(TestDirectory);
|
|
File4.append("/file4");
|
|
{
|
|
std::unique_ptr<FileOutputBuffer> Buffer;
|
|
ASSERT_NO_ERROR(FileOutputBuffer::create(File4, 8192, Buffer,
|
|
FileOutputBuffer::F_executable));
|
|
// Start buffer with special header.
|
|
memcpy(Buffer->getBufferStart(), "AABBCCDDEEFFGGHHIIJJ", 20);
|
|
// Commit buffer.
|
|
ASSERT_NO_ERROR(Buffer->commit());
|
|
}
|
|
// Verify file exists and is executable.
|
|
fs::file_status Status;
|
|
ASSERT_NO_ERROR(fs::status(Twine(File4), Status));
|
|
bool IsExecutable = (Status.permissions() & fs::owner_exe);
|
|
EXPECT_TRUE(IsExecutable);
|
|
ASSERT_NO_ERROR(fs::remove(File4.str()));
|
|
|
|
// Clean up.
|
|
ASSERT_NO_ERROR(fs::remove(TestDirectory.str()));
|
|
}
|
|
} // anonymous namespace
|