103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
// Copyright 2012 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/base/upload_bytes_element_reader.h"
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#include <memory>
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#include "net/base/completion_once_callback.h"
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#include "net/base/io_buffer.h"
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#include "net/base/net_errors.h"
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#include "net/test/gtest_util.h"
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#include "testing/gmock/include/gmock/gmock.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "testing/platform_test.h"
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using net::test::IsOk;
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namespace net {
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class UploadBytesElementReaderTest : public PlatformTest {
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protected:
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void SetUp() override {
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bytes_.assign({'1', '2', '3', 'a', 'b', 'c'});
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reader_ =
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std::make_unique<UploadBytesElementReader>(&bytes_[0], bytes_.size());
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ASSERT_THAT(reader_->Init(CompletionOnceCallback()), IsOk());
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EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
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EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());
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EXPECT_TRUE(reader_->IsInMemory());
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}
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std::vector<char> bytes_;
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std::unique_ptr<UploadElementReader> reader_;
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};
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TEST_F(UploadBytesElementReaderTest, ReadPartially) {
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const size_t kHalfSize = bytes_.size() / 2;
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std::vector<char> buf(kHalfSize);
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scoped_refptr<IOBuffer> wrapped_buffer =
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base::MakeRefCounted<WrappedIOBuffer>(&buf[0]);
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EXPECT_EQ(static_cast<int>(buf.size()),
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reader_->Read(wrapped_buffer.get(), buf.size(),
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CompletionOnceCallback()));
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EXPECT_EQ(bytes_.size() - buf.size(), reader_->BytesRemaining());
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bytes_.resize(kHalfSize); // Resize to compare.
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EXPECT_EQ(bytes_, buf);
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}
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TEST_F(UploadBytesElementReaderTest, ReadAll) {
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std::vector<char> buf(bytes_.size());
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scoped_refptr<IOBuffer> wrapped_buffer =
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base::MakeRefCounted<WrappedIOBuffer>(&buf[0]);
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EXPECT_EQ(static_cast<int>(buf.size()),
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reader_->Read(wrapped_buffer.get(), buf.size(),
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CompletionOnceCallback()));
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EXPECT_EQ(0U, reader_->BytesRemaining());
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EXPECT_EQ(bytes_, buf);
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// Try to read again.
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EXPECT_EQ(0, reader_->Read(wrapped_buffer.get(), buf.size(),
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CompletionOnceCallback()));
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}
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TEST_F(UploadBytesElementReaderTest, ReadTooMuch) {
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const size_t kTooLargeSize = bytes_.size() * 2;
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std::vector<char> buf(kTooLargeSize);
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scoped_refptr<IOBuffer> wrapped_buffer =
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base::MakeRefCounted<WrappedIOBuffer>(&buf[0]);
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EXPECT_EQ(static_cast<int>(bytes_.size()),
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reader_->Read(wrapped_buffer.get(), buf.size(),
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CompletionOnceCallback()));
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EXPECT_EQ(0U, reader_->BytesRemaining());
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buf.resize(bytes_.size()); // Resize to compare.
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EXPECT_EQ(bytes_, buf);
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}
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TEST_F(UploadBytesElementReaderTest, MultipleInit) {
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std::vector<char> buf(bytes_.size());
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scoped_refptr<IOBuffer> wrapped_buffer =
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base::MakeRefCounted<WrappedIOBuffer>(&buf[0]);
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// Read all.
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EXPECT_EQ(static_cast<int>(buf.size()),
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reader_->Read(wrapped_buffer.get(), buf.size(),
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CompletionOnceCallback()));
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EXPECT_EQ(0U, reader_->BytesRemaining());
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EXPECT_EQ(bytes_, buf);
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// Call Init() again to reset the state.
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ASSERT_THAT(reader_->Init(CompletionOnceCallback()), IsOk());
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EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
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EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());
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// Read again.
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EXPECT_EQ(static_cast<int>(buf.size()),
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reader_->Read(wrapped_buffer.get(), buf.size(),
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CompletionOnceCallback()));
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EXPECT_EQ(0U, reader_->BytesRemaining());
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EXPECT_EQ(bytes_, buf);
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}
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} // namespace net
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