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// Copyright (c) 2011 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 "base/basictypes.h"
#include "base/file_util.h"
#include "base/string_util.h"
#include "net/disk_cache/disk_cache_test_base.h"
#include "net/disk_cache/disk_cache_test_util.h"
#include "net/disk_cache/mapped_file.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
// Implementation of FileIOCallback for the tests.
class FileCallbackTest: public disk_cache::FileIOCallback {
public:
FileCallbackTest(int id, MessageLoopHelper* helper, int* max_id)
: id_(id),
helper_(helper),
max_id_(max_id) {
}
virtual ~FileCallbackTest() {}
virtual void OnFileIOComplete(int bytes_copied);
private:
int id_;
MessageLoopHelper* helper_;
int* max_id_;
};
void FileCallbackTest::OnFileIOComplete(int bytes_copied) {
if (id_ > *max_id_) {
NOTREACHED();
helper_->set_callback_reused_error(true);
}
helper_->CallbackWasCalled();
}
} // namespace
TEST_F(DiskCacheTest, MappedFile_SyncIO) {
FilePath filename = GetCacheFilePath().AppendASCII("a_test");
scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
ASSERT_TRUE(CreateCacheTestFile(filename));
ASSERT_TRUE(file->Init(filename, 8192));
char buffer1[20];
char buffer2[20];
CacheTestFillBuffer(buffer1, sizeof(buffer1), false);
base::strlcpy(buffer1, "the data", arraysize(buffer1));
EXPECT_TRUE(file->Write(buffer1, sizeof(buffer1), 8192));
EXPECT_TRUE(file->Read(buffer2, sizeof(buffer2), 8192));
EXPECT_STREQ(buffer1, buffer2);
}
TEST_F(DiskCacheTest, MappedFile_AsyncIO) {
FilePath filename = GetCacheFilePath().AppendASCII("a_test");
scoped_refptr<disk_cache::MappedFile> file(new disk_cache::MappedFile);
ASSERT_TRUE(CreateCacheTestFile(filename));
ASSERT_TRUE(file->Init(filename, 8192));
int max_id = 0;
MessageLoopHelper helper;
FileCallbackTest callback(1, &helper, &max_id);
char buffer1[20];
char buffer2[20];
CacheTestFillBuffer(buffer1, sizeof(buffer1), false);
base::strlcpy(buffer1, "the data", arraysize(buffer1));
bool completed;
EXPECT_TRUE(file->Write(buffer1, sizeof(buffer1), 1024 * 1024, &callback,
&completed));
int expected = completed ? 0 : 1;
max_id = 1;
helper.WaitUntilCacheIoFinished(expected);
EXPECT_TRUE(file->Read(buffer2, sizeof(buffer2), 1024 * 1024, &callback,
&completed));
if (!completed)
expected++;
helper.WaitUntilCacheIoFinished(expected);
EXPECT_EQ(expected, helper.callbacks_called());
EXPECT_FALSE(helper.callback_reused_error());
EXPECT_STREQ(buffer1, buffer2);
}
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