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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <stdint.h>
#include <utility>
#include <vector>
#include "base/files/file.h"
#include "components/filesystem/files_test_base.h"
#include "mojo/public/cpp/bindings/interface_request.h"
#include "mojo/public/cpp/bindings/type_converter.h"
namespace filesystem {
namespace {
using FileImplTest = FilesTestBase;
TEST_F(FileImplTest, CreateWriteCloseRenameOpenRead) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
bool handled = false;
{
// Create my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Write to it.
std::vector<uint8_t> bytes_to_write;
bytes_to_write.push_back(static_cast<uint8_t>('h'));
bytes_to_write.push_back(static_cast<uint8_t>('e'));
bytes_to_write.push_back(static_cast<uint8_t>('l'));
bytes_to_write.push_back(static_cast<uint8_t>('l'));
bytes_to_write.push_back(static_cast<uint8_t>('o'));
error = mojom::FileError::FAILED;
uint32_t num_bytes_written = 0;
handled = file->Write(bytes_to_write, 0, mojom::Whence::FROM_CURRENT,
&error, &num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(bytes_to_write.size(), num_bytes_written);
// Close it.
error = mojom::FileError::FAILED;
handled = file->Close((&error));
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
}
// Rename it.
error = mojom::FileError::FAILED;
handled = directory->Rename("my_file", "your_file", &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
{
// Open my_file again.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("your_file", MakeRequest(&file),
mojom::kFlagRead | mojom::kFlagOpen, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Read from it.
base::Optional<std::vector<uint8_t>> bytes_read;
error = mojom::FileError::FAILED;
handled = file->Read(3, 1, mojom::Whence::FROM_BEGIN, &error, &bytes_read);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_TRUE(bytes_read.has_value());
ASSERT_EQ(3u, bytes_read.value().size());
EXPECT_EQ(static_cast<uint8_t>('e'), bytes_read.value()[0]);
EXPECT_EQ(static_cast<uint8_t>('l'), bytes_read.value()[1]);
EXPECT_EQ(static_cast<uint8_t>('l'), bytes_read.value()[2]);
}
// TODO(vtl): Test read/write offset options.
}
TEST_F(FileImplTest, CantWriteInReadMode) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
std::vector<uint8_t> bytes_to_write;
bytes_to_write.push_back(static_cast<uint8_t>('h'));
bytes_to_write.push_back(static_cast<uint8_t>('e'));
bytes_to_write.push_back(static_cast<uint8_t>('l'));
bytes_to_write.push_back(static_cast<uint8_t>('l'));
bytes_to_write.push_back(static_cast<uint8_t>('o'));
{
// Create my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Write to it.
error = mojom::FileError::FAILED;
uint32_t num_bytes_written = 0;
handled = file->Write(bytes_to_write, 0, mojom::Whence::FROM_CURRENT,
&error, &num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(bytes_to_write.size(), num_bytes_written);
// Close it.
error = mojom::FileError::FAILED;
handled = file->Close((&error));
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
}
{
// Open my_file again, this time with read only mode.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagRead | mojom::kFlagOpen, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Try to write in read mode; it should fail.
error = mojom::FileError::OK;
uint32_t num_bytes_written = 0;
handled = file->Write(bytes_to_write, 0, mojom::Whence::FROM_CURRENT,
&error, &num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::FAILED, error);
EXPECT_EQ(0u, num_bytes_written);
// Close it.
error = mojom::FileError::FAILED;
handled = file->Close((&error));
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
}
}
TEST_F(FileImplTest, OpenInAppendMode) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
{
// Create my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Write to it.
std::vector<uint8_t> bytes_to_write;
bytes_to_write.push_back(static_cast<uint8_t>('h'));
bytes_to_write.push_back(static_cast<uint8_t>('e'));
bytes_to_write.push_back(static_cast<uint8_t>('l'));
bytes_to_write.push_back(static_cast<uint8_t>('l'));
bytes_to_write.push_back(static_cast<uint8_t>('o'));
error = mojom::FileError::FAILED;
uint32_t num_bytes_written = 0;
handled = file->Write(bytes_to_write, 0, mojom::Whence::FROM_CURRENT,
&error, &num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(bytes_to_write.size(), num_bytes_written);
// Close it.
error = mojom::FileError::FAILED;
handled = file->Close(&error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
}
{
// Append to my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagAppend | mojom::kFlagOpen, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Write to it.
std::vector<uint8_t> bytes_to_write;
bytes_to_write.push_back(static_cast<uint8_t>('g'));
bytes_to_write.push_back(static_cast<uint8_t>('o'));
bytes_to_write.push_back(static_cast<uint8_t>('o'));
bytes_to_write.push_back(static_cast<uint8_t>('d'));
bytes_to_write.push_back(static_cast<uint8_t>('b'));
bytes_to_write.push_back(static_cast<uint8_t>('y'));
bytes_to_write.push_back(static_cast<uint8_t>('e'));
error = mojom::FileError::FAILED;
uint32_t num_bytes_written = 0;
handled = file->Write(bytes_to_write, 0, mojom::Whence::FROM_CURRENT,
&error, &num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(bytes_to_write.size(), num_bytes_written);
// Close it.
error = mojom::FileError::FAILED;
handled = file->Close((&error));
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
}
{
// Open my_file again.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagRead | mojom::kFlagOpen, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Read from it.
base::Optional<std::vector<uint8_t>> bytes_read;
error = mojom::FileError::FAILED;
handled = file->Read(12, 0, mojom::Whence::FROM_BEGIN, &error, &bytes_read);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_TRUE(bytes_read.has_value());
ASSERT_EQ(12u, bytes_read.value().size());
EXPECT_EQ(static_cast<uint8_t>('l'), bytes_read.value()[3]);
EXPECT_EQ(static_cast<uint8_t>('o'), bytes_read.value()[4]);
EXPECT_EQ(static_cast<uint8_t>('g'), bytes_read.value()[5]);
EXPECT_EQ(static_cast<uint8_t>('o'), bytes_read.value()[6]);
}
}
TEST_F(FileImplTest, OpenInTruncateMode) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
{
// Create my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Write to it.
std::vector<uint8_t> bytes_to_write;
bytes_to_write.push_back(static_cast<uint8_t>('h'));
bytes_to_write.push_back(static_cast<uint8_t>('e'));
bytes_to_write.push_back(static_cast<uint8_t>('l'));
bytes_to_write.push_back(static_cast<uint8_t>('l'));
bytes_to_write.push_back(static_cast<uint8_t>('o'));
error = mojom::FileError::FAILED;
uint32_t num_bytes_written = 0;
handled = file->Write(bytes_to_write, 0, mojom::Whence::FROM_CURRENT,
&error, &num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(bytes_to_write.size(), num_bytes_written);
// Close it.
error = mojom::FileError::FAILED;
handled = file->Close(&error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
}
{
// Append to my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled = directory->OpenFile(
"my_file", MakeRequest(&file),
mojom::kFlagWrite | mojom::kFlagOpenTruncated, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Write to it.
std::vector<uint8_t> bytes_to_write;
bytes_to_write.push_back(static_cast<uint8_t>('g'));
bytes_to_write.push_back(static_cast<uint8_t>('o'));
bytes_to_write.push_back(static_cast<uint8_t>('o'));
bytes_to_write.push_back(static_cast<uint8_t>('d'));
bytes_to_write.push_back(static_cast<uint8_t>('b'));
bytes_to_write.push_back(static_cast<uint8_t>('y'));
bytes_to_write.push_back(static_cast<uint8_t>('e'));
error = mojom::FileError::FAILED;
uint32_t num_bytes_written = 0;
handled = file->Write(bytes_to_write, 0, mojom::Whence::FROM_CURRENT,
&error, &num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(bytes_to_write.size(), num_bytes_written);
// Close it.
error = mojom::FileError::FAILED;
handled = file->Close(&error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
}
{
// Open my_file again.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagRead | mojom::kFlagOpen, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Read from it.
base::Optional<std::vector<uint8_t>> bytes_read;
error = mojom::FileError::FAILED;
handled = file->Read(7, 0, mojom::Whence::FROM_BEGIN, &error, &bytes_read);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_TRUE(bytes_read.has_value());
ASSERT_EQ(7u, bytes_read.value().size());
EXPECT_EQ(static_cast<uint8_t>('g'), bytes_read.value()[0]);
EXPECT_EQ(static_cast<uint8_t>('o'), bytes_read.value()[1]);
EXPECT_EQ(static_cast<uint8_t>('o'), bytes_read.value()[2]);
EXPECT_EQ(static_cast<uint8_t>('d'), bytes_read.value()[3]);
}
}
// Note: Ignore nanoseconds, since it may not always be supported. We expect at
// least second-resolution support though.
TEST_F(FileImplTest, StatTouch) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
// Create my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Stat it.
error = mojom::FileError::FAILED;
mojom::FileInformationPtr file_info;
handled = file->Stat(&error, &file_info);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_FALSE(file_info.is_null());
EXPECT_EQ(mojom::FsFileType::REGULAR_FILE, file_info->type);
EXPECT_EQ(0, file_info->size);
EXPECT_GT(file_info->atime, 0); // Expect that it's not 1970-01-01.
EXPECT_GT(file_info->mtime, 0);
double first_mtime = file_info->mtime;
// Touch only the atime.
error = mojom::FileError::FAILED;
mojom::TimespecOrNowPtr t(mojom::TimespecOrNow::New());
t->now = false;
const int64_t kPartyTime1 = 1234567890; // Party like it's 2009-02-13.
t->seconds = kPartyTime1;
handled = file->Touch(std::move(t), nullptr, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Stat again.
error = mojom::FileError::FAILED;
file_info.reset();
handled = file->Stat(&error, &file_info);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_FALSE(file_info.is_null());
EXPECT_EQ(kPartyTime1, file_info->atime);
EXPECT_EQ(first_mtime, file_info->mtime);
// Touch only the mtime.
t = mojom::TimespecOrNow::New();
t->now = false;
const int64_t kPartyTime2 = 1425059525; // No time like the present.
t->seconds = kPartyTime2;
handled = file->Touch(nullptr, std::move(t), &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Stat again.
error = mojom::FileError::FAILED;
file_info.reset();
handled = file->Stat(&error, &file_info);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_FALSE(file_info.is_null());
EXPECT_EQ(kPartyTime1, file_info->atime);
EXPECT_EQ(kPartyTime2, file_info->mtime);
// TODO(vtl): Also test non-zero file size.
// TODO(vtl): Also test Touch() "now" options.
// TODO(vtl): Also test touching both atime and mtime.
}
TEST_F(FileImplTest, TellSeek) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
// Create my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Write to it.
std::vector<uint8_t> bytes_to_write(1000, '!');
error = mojom::FileError::FAILED;
uint32_t num_bytes_written = 0;
handled = file->Write(bytes_to_write, 0, mojom::Whence::FROM_CURRENT, &error,
&num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(bytes_to_write.size(), num_bytes_written);
const int size = static_cast<int>(num_bytes_written);
// Tell.
error = mojom::FileError::FAILED;
int64_t position = -1;
handled = file->Tell(&error, &position);
ASSERT_TRUE(handled);
// Should be at the end.
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(size, position);
// Seek back 100.
error = mojom::FileError::FAILED;
position = -1;
handled = file->Seek(-100, mojom::Whence::FROM_CURRENT, &error, &position);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(size - 100, position);
// Tell.
error = mojom::FileError::FAILED;
position = -1;
handled = file->Tell(&error, &position);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(size - 100, position);
// Seek to 123 from start.
error = mojom::FileError::FAILED;
position = -1;
handled = file->Seek(123, mojom::Whence::FROM_BEGIN, &error, &position);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(123, position);
// Tell.
error = mojom::FileError::FAILED;
position = -1;
handled = file->Tell(&error, &position);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(123, position);
// Seek to 123 back from end.
error = mojom::FileError::FAILED;
position = -1;
handled = file->Seek(-123, mojom::Whence::FROM_END, &error, &position);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(size - 123, position);
// Tell.
error = mojom::FileError::FAILED;
position = -1;
handled = file->Tell(&error, &position);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(size - 123, position);
// TODO(vtl): Check that seeking actually affects reading/writing.
// TODO(vtl): Check that seeking can extend the file?
}
TEST_F(FileImplTest, Dup) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
// Create my_file.
mojom::FilePtr file1;
error = mojom::FileError::FAILED;
bool handled = directory->OpenFile(
"my_file", MakeRequest(&file1),
mojom::kFlagRead | mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Write to it.
std::vector<uint8_t> bytes_to_write;
bytes_to_write.push_back(static_cast<uint8_t>('h'));
bytes_to_write.push_back(static_cast<uint8_t>('e'));
bytes_to_write.push_back(static_cast<uint8_t>('l'));
bytes_to_write.push_back(static_cast<uint8_t>('l'));
bytes_to_write.push_back(static_cast<uint8_t>('o'));
error = mojom::FileError::FAILED;
uint32_t num_bytes_written = 0;
handled = file1->Write(bytes_to_write, 0, mojom::Whence::FROM_CURRENT, &error,
&num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(bytes_to_write.size(), num_bytes_written);
const int end_hello_pos = static_cast<int>(num_bytes_written);
// Dup it.
mojom::FilePtr file2;
error = mojom::FileError::FAILED;
handled = file1->Dup(MakeRequest(&file2), &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// |file2| should have the same position.
error = mojom::FileError::FAILED;
int64_t position = -1;
handled = file2->Tell(&error, &position);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(end_hello_pos, position);
// Write using |file2|.
std::vector<uint8_t> more_bytes_to_write;
more_bytes_to_write.push_back(static_cast<uint8_t>('w'));
more_bytes_to_write.push_back(static_cast<uint8_t>('o'));
more_bytes_to_write.push_back(static_cast<uint8_t>('r'));
more_bytes_to_write.push_back(static_cast<uint8_t>('l'));
more_bytes_to_write.push_back(static_cast<uint8_t>('d'));
error = mojom::FileError::FAILED;
num_bytes_written = 0;
handled = file2->Write(more_bytes_to_write, 0, mojom::Whence::FROM_CURRENT,
&error, &num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(more_bytes_to_write.size(), num_bytes_written);
const int end_world_pos = end_hello_pos + static_cast<int>(num_bytes_written);
// |file1| should have the same position.
error = mojom::FileError::FAILED;
position = -1;
handled = file1->Tell(&error, &position);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(end_world_pos, position);
// Close |file1|.
error = mojom::FileError::FAILED;
handled = file1->Close(&error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Read everything using |file2|.
base::Optional<std::vector<uint8_t>> bytes_read;
error = mojom::FileError::FAILED;
handled =
file2->Read(1000, 0, mojom::Whence::FROM_BEGIN, &error, &bytes_read);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_TRUE(bytes_read.has_value());
ASSERT_EQ(static_cast<size_t>(end_world_pos), bytes_read.value().size());
// Just check the first and last bytes.
EXPECT_EQ(static_cast<uint8_t>('h'), bytes_read.value()[0]);
EXPECT_EQ(static_cast<uint8_t>('d'), bytes_read.value()[end_world_pos - 1]);
// TODO(vtl): Test that |file2| has the same open options as |file1|.
}
TEST_F(FileImplTest, Truncate) {
const uint32_t kInitialSize = 1000;
const uint32_t kTruncatedSize = 654;
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
// Create my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file),
mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Write to it.
std::vector<uint8_t> bytes_to_write(kInitialSize, '!');
error = mojom::FileError::FAILED;
uint32_t num_bytes_written = 0;
handled = file->Write(bytes_to_write, 0, mojom::Whence::FROM_CURRENT, &error,
&num_bytes_written);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
EXPECT_EQ(kInitialSize, num_bytes_written);
// Stat it.
error = mojom::FileError::FAILED;
mojom::FileInformationPtr file_info;
handled = file->Stat(&error, &file_info);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_FALSE(file_info.is_null());
EXPECT_EQ(kInitialSize, file_info->size);
// Truncate it.
error = mojom::FileError::FAILED;
handled = file->Truncate(kTruncatedSize, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Stat again.
error = mojom::FileError::FAILED;
file_info.reset();
handled = file->Stat(&error, &file_info);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_FALSE(file_info.is_null());
EXPECT_EQ(kTruncatedSize, file_info->size);
}
TEST_F(FileImplTest, AsHandle) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
{
// Create my_file.
mojom::FilePtr file1;
error = mojom::FileError::FAILED;
bool handled = directory->OpenFile(
"my_file", MakeRequest(&file1),
mojom::kFlagRead | mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Fetch the file.
error = mojom::FileError::FAILED;
base::File raw_file;
handled = file1->AsHandle(&error, &raw_file);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_TRUE(raw_file.IsValid());
EXPECT_EQ(5, raw_file.WriteAtCurrentPos("hello", 5));
}
{
// Reopen my_file.
mojom::FilePtr file2;
error = mojom::FileError::FAILED;
bool handled =
directory->OpenFile("my_file", MakeRequest(&file2),
mojom::kFlagRead | mojom::kFlagOpen, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Verify that we wrote data raw on the file descriptor.
base::Optional<std::vector<uint8_t>> bytes_read;
error = mojom::FileError::FAILED;
handled = file2->Read(5, 0, mojom::Whence::FROM_BEGIN, &error, &bytes_read);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
ASSERT_TRUE(bytes_read.has_value());
ASSERT_EQ(5u, bytes_read.value().size());
EXPECT_EQ(static_cast<uint8_t>('h'), bytes_read.value()[0]);
EXPECT_EQ(static_cast<uint8_t>('e'), bytes_read.value()[1]);
EXPECT_EQ(static_cast<uint8_t>('l'), bytes_read.value()[2]);
EXPECT_EQ(static_cast<uint8_t>('l'), bytes_read.value()[3]);
EXPECT_EQ(static_cast<uint8_t>('o'), bytes_read.value()[4]);
}
}
TEST_F(FileImplTest, SimpleLockUnlock) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
// Create my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled = directory->OpenFile(
"my_file", MakeRequest(&file),
mojom::kFlagRead | mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Lock the file.
error = mojom::FileError::FAILED;
handled = file->Lock(&error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Unlock the file.
error = mojom::FileError::FAILED;
handled = file->Unlock(&error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
}
TEST_F(FileImplTest, CantDoubleLock) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
// Create my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled = directory->OpenFile(
"my_file", MakeRequest(&file),
mojom::kFlagRead | mojom::kFlagWrite | mojom::kFlagCreate, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Lock the file.
error = mojom::FileError::FAILED;
handled = file->Lock(&error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Lock the file again.
error = mojom::FileError::OK;
handled = file->Lock(&error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::FAILED, error);
}
TEST_F(FileImplTest, ClosingFileClearsLock) {
mojom::DirectoryPtr directory;
GetTemporaryRoot(&directory);
mojom::FileError error;
{
// Create my_file.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled = directory->OpenFile(
"my_file", MakeRequest(&file),
mojom::kFlagRead | mojom::kFlagWrite | mojom::kFlagOpenAlways, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// Lock the file.
error = mojom::FileError::FAILED;
handled = file->Lock(&error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
}
{
// Open the file again.
mojom::FilePtr file;
error = mojom::FileError::FAILED;
bool handled = directory->OpenFile(
"my_file", MakeRequest(&file),
mojom::kFlagRead | mojom::kFlagWrite | mojom::kFlagOpenAlways, &error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
// The file shouldn't be locked (and we check by trying to lock it).
error = mojom::FileError::FAILED;
handled = file->Lock(&error);
ASSERT_TRUE(handled);
EXPECT_EQ(mojom::FileError::OK, error);
}
}
} // namespace
} // namespace filesystem
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