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// Copyright (c) 2012 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 "net/base/upload_bytes_element_reader.h"
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "net/base/io_buffer.h"
#include "net/base/net_errors.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace net {
class UploadBytesElementReaderTest : public PlatformTest {
protected:
void SetUp() override {
const char kData[] = "123abc";
bytes_.assign(kData, kData + arraysize(kData));
reader_.reset(new UploadBytesElementReader(&bytes_[0], bytes_.size()));
ASSERT_EQ(OK, reader_->Init(CompletionCallback()));
EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());
EXPECT_TRUE(reader_->IsInMemory());
}
std::vector<char> bytes_;
scoped_ptr<UploadElementReader> reader_;
};
TEST_F(UploadBytesElementReaderTest, ReadPartially) {
const size_t kHalfSize = bytes_.size() / 2;
std::vector<char> buf(kHalfSize);
scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
EXPECT_EQ(
static_cast<int>(buf.size()),
reader_->Read(wrapped_buffer.get(), buf.size(), CompletionCallback()));
EXPECT_EQ(bytes_.size() - buf.size(), reader_->BytesRemaining());
bytes_.resize(kHalfSize); // Resize to compare.
EXPECT_EQ(bytes_, buf);
}
TEST_F(UploadBytesElementReaderTest, ReadAll) {
std::vector<char> buf(bytes_.size());
scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
EXPECT_EQ(
static_cast<int>(buf.size()),
reader_->Read(wrapped_buffer.get(), buf.size(), CompletionCallback()));
EXPECT_EQ(0U, reader_->BytesRemaining());
EXPECT_EQ(bytes_, buf);
// Try to read again.
EXPECT_EQ(
0, reader_->Read(wrapped_buffer.get(), buf.size(), CompletionCallback()));
}
TEST_F(UploadBytesElementReaderTest, ReadTooMuch) {
const size_t kTooLargeSize = bytes_.size() * 2;
std::vector<char> buf(kTooLargeSize);
scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
EXPECT_EQ(
static_cast<int>(bytes_.size()),
reader_->Read(wrapped_buffer.get(), buf.size(), CompletionCallback()));
EXPECT_EQ(0U, reader_->BytesRemaining());
buf.resize(bytes_.size()); // Resize to compare.
EXPECT_EQ(bytes_, buf);
}
TEST_F(UploadBytesElementReaderTest, MultipleInit) {
std::vector<char> buf(bytes_.size());
scoped_refptr<IOBuffer> wrapped_buffer = new WrappedIOBuffer(&buf[0]);
// Read all.
EXPECT_EQ(
static_cast<int>(buf.size()),
reader_->Read(wrapped_buffer.get(), buf.size(), CompletionCallback()));
EXPECT_EQ(0U, reader_->BytesRemaining());
EXPECT_EQ(bytes_, buf);
// Call Init() again to reset the state.
ASSERT_EQ(OK, reader_->Init(CompletionCallback()));
EXPECT_EQ(bytes_.size(), reader_->GetContentLength());
EXPECT_EQ(bytes_.size(), reader_->BytesRemaining());
// Read again.
EXPECT_EQ(
static_cast<int>(buf.size()),
reader_->Read(wrapped_buffer.get(), buf.size(), CompletionCallback()));
EXPECT_EQ(0U, reader_->BytesRemaining());
EXPECT_EQ(bytes_, buf);
}
} // namespace net
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