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// Copyright (c) 2010 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/scoped_ptr.h"
#include "net/base/io_buffer.h"
#include "net/websockets/websocket_frame_handler.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace net {
TEST(WebSocketFrameHandlerTest, Basic) {
const char kInputData[] = "\0hello, world\xff";
const int kInputDataLen = sizeof(kInputData) - 1; // no terminating NUL.
scoped_ptr<WebSocketFrameHandler> handler(new WebSocketFrameHandler);
// No data.
EXPECT_EQ(0, handler->UpdateCurrentBuffer());
EXPECT_TRUE(handler->GetCurrentBuffer() == NULL);
EXPECT_EQ(0, handler->GetCurrentBufferSize());
// WebKit sends data (WebSocketJob::SendData),
// or data is received from network (WebSocketJob::OnReceivedData)
handler->AppendData(kInputData, kInputDataLen);
EXPECT_TRUE(handler->GetCurrentBuffer() == NULL);
EXPECT_GT(handler->UpdateCurrentBuffer(), 0);
// Get data to send to the socket (send),
// or to send to WebKit (receive).
IOBuffer* buf = handler->GetCurrentBuffer();
ASSERT_TRUE(buf != NULL);
EXPECT_TRUE(memcmp(buf->data(), kInputData, kInputDataLen) == 0);
EXPECT_EQ(kInputDataLen, handler->GetCurrentBufferSize());
EXPECT_EQ(kInputDataLen, handler->GetOriginalBufferSize());
// Data was sent. (WebSocketJob::OnSentData)
buf = NULL;
handler->ReleaseCurrentBuffer();
EXPECT_TRUE(handler->GetCurrentBuffer() == NULL);
EXPECT_EQ(0, handler->GetCurrentBufferSize());
EXPECT_EQ(0, handler->UpdateCurrentBuffer());
}
TEST(WebSocketFrameHandlerTest, ParseFrame) {
std::vector<WebSocketFrameHandler::FrameInfo> frames;
const char kInputData[] = "\0hello, world\xff\xff\0";
const int kInputDataLen = sizeof(kInputData) - 1;
const int kHelloWorldFrameLen = 14;
EXPECT_EQ(kInputDataLen,
WebSocketFrameHandler::ParseWebSocketFrame(
kInputData, kInputDataLen, &frames));
EXPECT_EQ(2UL, frames.size());
EXPECT_EQ(kInputData, frames[0].frame_start);
EXPECT_EQ(kHelloWorldFrameLen, frames[0].frame_length);
EXPECT_EQ(kInputData + 1, frames[0].message_start);
EXPECT_EQ(kHelloWorldFrameLen - 2, frames[0].message_length);
EXPECT_EQ(kInputData + kHelloWorldFrameLen, frames[1].frame_start);
EXPECT_EQ(2, frames[1].frame_length);
EXPECT_EQ(0, frames[1].message_length);
}
TEST(WebSocketFrameHandlerTest, ParseFrameLength) {
std::vector<WebSocketFrameHandler::FrameInfo> frames;
const char kHelloWorldFrame[] = "\0hello, world\xff";
const int kHelloWorldFrameLen = sizeof(kHelloWorldFrame) - 1;
const char kLengthFrame[3 + 129] = "\x80\x81\x01\x01\0should be skipped\xff";
const int kLengthFrameLen = sizeof(kLengthFrame);
const int kInputDataLen = kHelloWorldFrameLen +
kLengthFrameLen +
kHelloWorldFrameLen;
char inputData[kInputDataLen];
memcpy(inputData, kHelloWorldFrame, kHelloWorldFrameLen);
memcpy(inputData + kHelloWorldFrameLen, kLengthFrame, kLengthFrameLen);
memcpy(inputData + kHelloWorldFrameLen + kLengthFrameLen,
kHelloWorldFrame, kHelloWorldFrameLen);
EXPECT_EQ(kInputDataLen,
WebSocketFrameHandler::ParseWebSocketFrame(
inputData, kInputDataLen, &frames));
ASSERT_EQ(3UL, frames.size());
EXPECT_EQ(inputData, frames[0].frame_start);
EXPECT_EQ(kHelloWorldFrameLen, frames[0].frame_length);
EXPECT_EQ(inputData + 1, frames[0].message_start);
EXPECT_EQ(kHelloWorldFrameLen - 2, frames[0].message_length);
EXPECT_EQ(inputData + kHelloWorldFrameLen, frames[1].frame_start);
EXPECT_EQ(kLengthFrameLen, frames[1].frame_length);
EXPECT_EQ(inputData + kHelloWorldFrameLen + 3, frames[1].message_start);
EXPECT_EQ(kLengthFrameLen - 3, frames[1].message_length);
EXPECT_EQ(inputData + kHelloWorldFrameLen + kLengthFrameLen,
frames[2].frame_start);
EXPECT_EQ(kHelloWorldFrameLen, frames[2].frame_length);
EXPECT_EQ(inputData + kHelloWorldFrameLen + kLengthFrameLen + 1,
frames[2].message_start);
EXPECT_EQ(kHelloWorldFrameLen - 2, frames[2].message_length);
}
TEST(WebSocketFrameHandlerTest, ParsePartialFrame) {
std::vector<WebSocketFrameHandler::FrameInfo> frames;
const char kInputData[] = "\0hello, world\xff"
"\x80\x81\x01" // skip 1*128+1 bytes.
"\x01\xff"
"\0should be skipped\xff";
const int kInputDataLen = sizeof(kInputData) - 1;
const int kHelloWorldFrameLen = 14;
EXPECT_EQ(kHelloWorldFrameLen,
WebSocketFrameHandler::ParseWebSocketFrame(
kInputData, kInputDataLen, &frames));
ASSERT_EQ(1UL, frames.size());
EXPECT_EQ(kInputData, frames[0].frame_start);
EXPECT_EQ(kHelloWorldFrameLen, frames[0].frame_length);
EXPECT_EQ(kInputData + 1, frames[0].message_start);
EXPECT_EQ(kHelloWorldFrameLen - 2, frames[0].message_length);
}
} // namespace net
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