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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/filter/mock_source_stream.h"
#include <algorithm>
#include <utility>
#include "base/check_op.h"
#include "net/base/io_buffer.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
MockSourceStream::MockSourceStream() : SourceStream(SourceStream::TYPE_NONE) {}
MockSourceStream::~MockSourceStream() {
DCHECK(!awaiting_completion_);
if (expect_all_input_consumed_) {
// All data should have been consumed.
EXPECT_TRUE(results_.empty());
}
}
int MockSourceStream::Read(IOBuffer* dest_buffer,
int buffer_size,
CompletionOnceCallback callback) {
DCHECK(!awaiting_completion_);
DCHECK(!results_.empty());
if (results_.empty())
return ERR_UNEXPECTED;
QueuedResult r = results_.front();
DCHECK_GE(buffer_size, r.len);
if (r.mode == ASYNC) {
awaiting_completion_ = true;
dest_buffer_ = dest_buffer;
dest_buffer_size_ = buffer_size;
callback_ = std::move(callback);
return ERR_IO_PENDING;
}
results_.pop();
std::copy(r.data, r.data + r.len, dest_buffer->data());
return r.error == OK ? r.len : r.error;
}
std::string MockSourceStream::Description() const {
return "";
}
bool MockSourceStream::MayHaveMoreBytes() const {
if (always_report_has_more_bytes_)
return true;
return !results_.empty();
}
MockSourceStream::QueuedResult::QueuedResult(const char* data,
int len,
Error error,
Mode mode)
: data(data), len(len), error(error), mode(mode) {}
void MockSourceStream::AddReadResult(const char* data,
int len,
Error error,
Mode mode) {
if (error != OK) {
// Doesn't make any sense to have both an error and data.
DCHECK_EQ(len, 0);
} else {
// The read result must be between 0 and 32k (inclusive) because the read
// buffer used in FilterSourceStream is 32k.
DCHECK_GE(32 * 1024, len);
DCHECK_LE(0, len);
}
if (len > 0 && read_one_byte_at_a_time_) {
for (int i = 0; i < len; ++i) {
QueuedResult result(data + i, 1, OK, mode);
results_.push(result);
}
return;
}
QueuedResult result(data, len, error, mode);
results_.push(result);
}
void MockSourceStream::CompleteNextRead() {
DCHECK(awaiting_completion_);
awaiting_completion_ = false;
QueuedResult r = results_.front();
DCHECK_EQ(ASYNC, r.mode);
results_.pop();
DCHECK_GE(dest_buffer_size_, r.len);
std::copy(r.data, r.data + r.len, dest_buffer_->data());
dest_buffer_ = nullptr;
std::move(callback_).Run(r.error == OK ? r.len : r.error);
}
} // namespace net
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