93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
// Copyright 2011 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/disk_cache/blockfile/mapped_file.h"
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#include "base/files/file_path.h"
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#include "base/memory/raw_ptr.h"
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#include "base/strings/string_util.h"
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#include "net/disk_cache/disk_cache_test_base.h"
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#include "net/disk_cache/disk_cache_test_util.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace {
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// Implementation of FileIOCallback for the tests.
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class FileCallbackTest: public disk_cache::FileIOCallback {
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public:
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FileCallbackTest(int id, MessageLoopHelper* helper, int* max_id)
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: id_(id),
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helper_(helper),
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max_id_(max_id) {
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}
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~FileCallbackTest() override = default;
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void OnFileIOComplete(int bytes_copied) override;
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private:
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int id_;
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raw_ptr<MessageLoopHelper> helper_;
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raw_ptr<int> max_id_;
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};
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void FileCallbackTest::OnFileIOComplete(int bytes_copied) {
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if (id_ > *max_id_) {
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NOTREACHED();
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helper_->set_callback_reused_error(true);
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}
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helper_->CallbackWasCalled();
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}
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} // namespace
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TEST_F(DiskCacheTest, MappedFile_SyncIO) {
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base::FilePath filename = cache_path_.AppendASCII("a_test");
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auto file = base::MakeRefCounted<disk_cache::MappedFile>();
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ASSERT_TRUE(CreateCacheTestFile(filename));
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ASSERT_TRUE(file->Init(filename, 8192));
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char buffer1[20];
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char buffer2[20];
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CacheTestFillBuffer(buffer1, sizeof(buffer1), false);
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base::strlcpy(buffer1, "the data", std::size(buffer1));
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EXPECT_TRUE(file->Write(buffer1, sizeof(buffer1), 8192));
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EXPECT_TRUE(file->Read(buffer2, sizeof(buffer2), 8192));
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EXPECT_STREQ(buffer1, buffer2);
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}
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TEST_F(DiskCacheTest, MappedFile_AsyncIO) {
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base::FilePath filename = cache_path_.AppendASCII("a_test");
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auto file = base::MakeRefCounted<disk_cache::MappedFile>();
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ASSERT_TRUE(CreateCacheTestFile(filename));
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ASSERT_TRUE(file->Init(filename, 8192));
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int max_id = 0;
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MessageLoopHelper helper;
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FileCallbackTest callback(1, &helper, &max_id);
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char buffer1[20];
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char buffer2[20];
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CacheTestFillBuffer(buffer1, sizeof(buffer1), false);
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base::strlcpy(buffer1, "the data", std::size(buffer1));
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bool completed;
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EXPECT_TRUE(file->Write(buffer1, sizeof(buffer1), 1024 * 1024, &callback,
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&completed));
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int expected = completed ? 0 : 1;
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max_id = 1;
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helper.WaitUntilCacheIoFinished(expected);
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EXPECT_TRUE(file->Read(buffer2, sizeof(buffer2), 1024 * 1024, &callback,
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&completed));
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if (!completed)
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expected++;
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helper.WaitUntilCacheIoFinished(expected);
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EXPECT_EQ(expected, helper.callbacks_called());
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EXPECT_FALSE(helper.callback_reused_error());
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EXPECT_STREQ(buffer1, buffer2);
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}
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