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android / platform / external / chromium / 2c4085b2006233b5e3a3fe507d62642377b5dc2e / . / net / spdy / spdy_framer_test.cc
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// Copyright (c) 2011 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 <algorithm>
#include <iostream>
#include "base/memory/scoped_ptr.h"
#include "net/spdy/spdy_framer.h"
#include "net/spdy/spdy_protocol.h"
#include "net/spdy/spdy_frame_builder.h"
#include "testing/platform_test.h"
namespace spdy {
namespace test {
std::string HexDumpWithMarks(const unsigned char* data, int length,
const bool* marks, int mark_length) {
static const char kHexChars[] = "0123456789ABCDEF";
static const int kColumns = 4;
std::string hex;
for (const unsigned char* row = data; length > 0;
row += kColumns, length -= kColumns) {
for (const unsigned char *p = row; p < row + 4; ++p) {
if (p < row + length) {
const bool mark =
(marks && (p - data) < mark_length && marks[p - data]);
hex += mark ? '*' : ' ';
hex += kHexChars[(*p & 0xf0) >> 4];
hex += kHexChars[*p & 0x0f];
hex += mark ? '*' : ' ';
} else {
hex += " ";
}
}
hex = hex + " ";
for (const unsigned char *p = row; p < row + 4 && p < row + length; ++p)
hex += (*p >= 0x20 && *p <= 0x7f) ? (*p) : '.';
hex = hex + '\n';
}
return hex;
}
void CompareCharArraysWithHexError(
const std::string& description,
const unsigned char* actual,
const int actual_len,
const unsigned char* expected,
const int expected_len) {
const int min_len = actual_len > expected_len ? expected_len : actual_len;
const int max_len = actual_len > expected_len ? actual_len : expected_len;
scoped_array<bool> marks(new bool[max_len]);
bool identical = (actual_len == expected_len);
for (int i = 0; i < min_len; ++i) {
if (actual[i] != expected[i]) {
marks[i] = true;
identical = false;
} else {
marks[i] = false;
}
}
for (int i = min_len; i < max_len; ++i) {
marks[i] = true;
}
if (identical) return;
ADD_FAILURE()
<< "Description:\n"
<< description
<< "\n\nExpected:\n"
<< HexDumpWithMarks(expected, expected_len, marks.get(), max_len)
<< "\nActual:\n"
<< HexDumpWithMarks(actual, actual_len, marks.get(), max_len);
}
void FramerSetEnableCompressionHelper(SpdyFramer* framer, bool compress) {
framer->set_enable_compression(compress);
}
class TestSpdyVisitor : public SpdyFramerVisitorInterface {
public:
TestSpdyVisitor()
: error_count_(0),
syn_frame_count_(0),
syn_reply_frame_count_(0),
headers_frame_count_(0),
data_bytes_(0),
fin_frame_count_(0),
fin_flag_count_(0),
zero_length_data_frame_count_(0) {
}
void OnError(SpdyFramer* f) {
error_count_++;
}
void OnStreamFrameData(SpdyStreamId stream_id,
const char* data,
size_t len) {
if (len == 0)
++zero_length_data_frame_count_;
data_bytes_ += len;
std::cerr << "OnStreamFrameData(" << stream_id << ", \"";
if (len > 0) {
for (size_t i = 0 ; i < len; ++i) {
std::cerr << std::hex << (0xFF & (unsigned int)data[i]) << std::dec;
}
}
std::cerr << "\", " << len << ")\n";
}
void OnControl(const SpdyControlFrame* frame) {
SpdyHeaderBlock headers;
bool parsed_headers = false;
switch (frame->type()) {
case SYN_STREAM:
parsed_headers = framer_.ParseHeaderBlock(frame, &headers);
DCHECK(parsed_headers);
syn_frame_count_++;
break;
case SYN_REPLY:
parsed_headers = framer_.ParseHeaderBlock(frame, &headers);
DCHECK(parsed_headers);
syn_reply_frame_count_++;
break;
case RST_STREAM:
fin_frame_count_++;
break;
case HEADERS:
parsed_headers = framer_.ParseHeaderBlock(frame, &headers);
DCHECK(parsed_headers);
headers_frame_count_++;
break;
default:
DCHECK(false); // Error!
}
if (frame->flags() & CONTROL_FLAG_FIN)
++fin_flag_count_;
}
bool OnControlFrameHeaderData(SpdyStreamId stream_id,
const char* header_data,
size_t len) {
DCHECK(false);
return false;
}
void OnDataFrameHeader(const SpdyDataFrame* frame) {
DCHECK(false);
}
// Convenience function which runs a framer simulation with particular input.
void SimulateInFramer(const unsigned char* input, size_t size) {
framer_.set_enable_compression(false);
framer_.set_visitor(this);
size_t input_remaining = size;
const char* input_ptr = reinterpret_cast<const char*>(input);
while (input_remaining > 0 &&
framer_.error_code() == SpdyFramer::SPDY_NO_ERROR) {
// To make the tests more interesting, we feed random (amd small) chunks
// into the framer. This simulates getting strange-sized reads from
// the socket.
const size_t kMaxReadSize = 32;
size_t bytes_read =
(rand() % std::min(input_remaining, kMaxReadSize)) + 1;
size_t bytes_processed = framer_.ProcessInput(input_ptr, bytes_read);
input_remaining -= bytes_processed;
input_ptr += bytes_processed;
if (framer_.state() == SpdyFramer::SPDY_DONE)
framer_.Reset();
}
}
SpdyFramer framer_;
// Counters from the visitor callbacks.
int error_count_;
int syn_frame_count_;
int syn_reply_frame_count_;
int headers_frame_count_;
int data_bytes_;
int fin_frame_count_; // The count of RST_STREAM type frames received.
int fin_flag_count_; // The count of frames with the FIN flag set.
int zero_length_data_frame_count_; // The count of zero-length data frames.
};
} // namespace test
} // namespace spdy
using spdy::SpdyControlFlags;
using spdy::SpdyControlFrame;
using spdy::SpdyDataFrame;
using spdy::SpdyFrame;
using spdy::SpdyFrameBuilder;
using spdy::SpdyFramer;
using spdy::SpdyHeaderBlock;
using spdy::SpdySynStreamControlFrame;
using spdy::kControlFlagMask;
using spdy::CONTROL_FLAG_NONE;
using spdy::DATA_FLAG_COMPRESSED;
using spdy::DATA_FLAG_FIN;
using spdy::SYN_STREAM;
using spdy::test::CompareCharArraysWithHexError;
using spdy::test::FramerSetEnableCompressionHelper;
using spdy::test::TestSpdyVisitor;
namespace spdy {
class SpdyFramerTest : public PlatformTest {
public:
virtual void TearDown() {}
protected:
void CompareFrame(const std::string& description,
const SpdyFrame& actual_frame,
const unsigned char* expected,
const int expected_len) {
const unsigned char* actual =
reinterpret_cast<const unsigned char*>(actual_frame.data());
int actual_len = actual_frame.length() + SpdyFrame::size();
CompareCharArraysWithHexError(
description, actual, actual_len, expected, expected_len);
}
};
// Test that we can encode and decode a SpdyHeaderBlock.
TEST_F(SpdyFramerTest, HeaderBlock) {
SpdyHeaderBlock headers;
headers["alpha"] = "beta";
headers["gamma"] = "charlie";
SpdyFramer framer;
// Encode the header block into a SynStream frame.
scoped_ptr<SpdySynStreamControlFrame> frame(
framer.CreateSynStream(1, 0, 1, CONTROL_FLAG_NONE, true, &headers));
EXPECT_TRUE(frame.get() != NULL);
SpdyHeaderBlock new_headers;
EXPECT_TRUE(framer.ParseHeaderBlock(frame.get(), &new_headers));
EXPECT_EQ(headers.size(), new_headers.size());
EXPECT_EQ(headers["alpha"], new_headers["alpha"]);
EXPECT_EQ(headers["gamma"], new_headers["gamma"]);
}
TEST_F(SpdyFramerTest, OutOfOrderHeaders) {
SpdyFrameBuilder frame;
frame.WriteUInt16(kControlFlagMask | 1);
frame.WriteUInt16(SYN_STREAM);
frame.WriteUInt32(0); // Placeholder for the length.
frame.WriteUInt32(3); // stream_id
frame.WriteUInt32(0); // associated stream id
frame.WriteUInt16(0); // Priority.
frame.WriteUInt16(2); // Number of headers.
SpdyHeaderBlock::iterator it;
frame.WriteString("gamma");
frame.WriteString("gamma");
frame.WriteString("alpha");
frame.WriteString("alpha");
// write the length
frame.WriteUInt32ToOffset(4, frame.length() - SpdyFrame::size());
SpdyHeaderBlock new_headers;
scoped_ptr<SpdyFrame> control_frame(frame.take());
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, false);
EXPECT_TRUE(framer.ParseHeaderBlock(control_frame.get(), &new_headers));
}
TEST_F(SpdyFramerTest, WrongNumberOfHeaders) {
SpdyFrameBuilder frame1;
SpdyFrameBuilder frame2;
// a frame with smaller number of actual headers
frame1.WriteUInt16(kControlFlagMask | 1);
frame1.WriteUInt16(SYN_STREAM);
frame1.WriteUInt32(0); // Placeholder for the length.
frame1.WriteUInt32(3); // stream_id
frame1.WriteUInt16(0); // Priority.
frame1.WriteUInt16(1); // Wrong number of headers (underflow)
frame1.WriteString("gamma");
frame1.WriteString("gamma");
frame1.WriteString("alpha");
frame1.WriteString("alpha");
// write the length
frame1.WriteUInt32ToOffset(4, frame1.length() - SpdyFrame::size());
// a frame with larger number of actual headers
frame2.WriteUInt16(kControlFlagMask | 1);
frame2.WriteUInt16(SYN_STREAM);
frame2.WriteUInt32(0); // Placeholder for the length.
frame2.WriteUInt32(3); // stream_id
frame2.WriteUInt16(0); // Priority.
frame2.WriteUInt16(100); // Wrong number of headers (overflow)
frame2.WriteString("gamma");
frame2.WriteString("gamma");
frame2.WriteString("alpha");
frame2.WriteString("alpha");
// write the length
frame2.WriteUInt32ToOffset(4, frame2.length() - SpdyFrame::size());
SpdyHeaderBlock new_headers;
scoped_ptr<SpdyFrame> syn_frame1(frame1.take());
scoped_ptr<SpdyFrame> syn_frame2(frame2.take());
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, false);
EXPECT_FALSE(framer.ParseHeaderBlock(syn_frame1.get(), &new_headers));
EXPECT_FALSE(framer.ParseHeaderBlock(syn_frame2.get(), &new_headers));
}
TEST_F(SpdyFramerTest, DuplicateHeader) {
SpdyFrameBuilder frame;
frame.WriteUInt16(kControlFlagMask | 1);
frame.WriteUInt16(SYN_STREAM);
frame.WriteUInt32(0); // Placeholder for the length.
frame.WriteUInt32(3); // stream_id
frame.WriteUInt32(0); // associated stream id
frame.WriteUInt16(0); // Priority.
frame.WriteUInt16(2); // Number of headers.
SpdyHeaderBlock::iterator it;
frame.WriteString("name");
frame.WriteString("value1");
frame.WriteString("name");
frame.WriteString("value2");
// write the length
frame.WriteUInt32ToOffset(4, frame.length() - SpdyFrame::size());
SpdyHeaderBlock new_headers;
scoped_ptr<SpdyFrame> control_frame(frame.take());
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, false);
// This should fail because duplicate headers are verboten by the spec.
EXPECT_FALSE(framer.ParseHeaderBlock(control_frame.get(), &new_headers));
}
TEST_F(SpdyFramerTest, MultiValueHeader) {
SpdyFrameBuilder frame;
frame.WriteUInt16(kControlFlagMask | 1);
frame.WriteUInt16(SYN_STREAM);
frame.WriteUInt32(0); // Placeholder for the length.
frame.WriteUInt32(3); // stream_id
frame.WriteUInt32(0); // associated stream id
frame.WriteUInt16(0); // Priority.
frame.WriteUInt16(1); // Number of headers.
SpdyHeaderBlock::iterator it;
frame.WriteString("name");
std::string value("value1\0value2");
frame.WriteString(value);
// write the length
frame.WriteUInt32ToOffset(4, frame.length() - SpdyFrame::size());
SpdyHeaderBlock new_headers;
scoped_ptr<SpdyFrame> control_frame(frame.take());
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, false);
EXPECT_TRUE(framer.ParseHeaderBlock(control_frame.get(), &new_headers));
EXPECT_TRUE(new_headers.find("name") != new_headers.end());
EXPECT_EQ(value, new_headers.find("name")->second);
}
TEST_F(SpdyFramerTest, ZeroLengthHeader) {
SpdyHeaderBlock header1;
SpdyHeaderBlock header2;
SpdyHeaderBlock header3;
header1[""] = "value2";
header2["name3"] = "";
header3[""] = "";
SpdyFramer framer;
SpdyHeaderBlock parsed_headers;
scoped_ptr<SpdySynStreamControlFrame> frame1(
framer.CreateSynStream(1, 0, 1, CONTROL_FLAG_NONE, true, &header1));
EXPECT_TRUE(frame1.get() != NULL);
EXPECT_FALSE(framer.ParseHeaderBlock(frame1.get(), &parsed_headers));
scoped_ptr<SpdySynStreamControlFrame> frame2(
framer.CreateSynStream(1, 0, 1, CONTROL_FLAG_NONE, true, &header2));
EXPECT_TRUE(frame2.get() != NULL);
EXPECT_FALSE(framer.ParseHeaderBlock(frame2.get(), &parsed_headers));
scoped_ptr<SpdySynStreamControlFrame> frame3(
framer.CreateSynStream(1, 0, 1, CONTROL_FLAG_NONE, true, &header3));
EXPECT_TRUE(frame3.get() != NULL);
EXPECT_FALSE(framer.ParseHeaderBlock(frame3.get(), &parsed_headers));
}
TEST_F(SpdyFramerTest, BasicCompression) {
SpdyHeaderBlock headers;
headers["server"] = "SpdyServer 1.0";
headers["date"] = "Mon 12 Jan 2009 12:12:12 PST";
headers["status"] = "200";
headers["version"] = "HTTP/1.1";
headers["content-type"] = "text/html";
headers["content-length"] = "12";
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, true);
scoped_ptr<SpdySynStreamControlFrame>
frame1(framer.CreateSynStream(1, 0, 1, CONTROL_FLAG_NONE, true,
&headers));
scoped_ptr<SpdySynStreamControlFrame>
frame2(framer.CreateSynStream(1, 0, 1, CONTROL_FLAG_NONE, true,
&headers));
// Expect the second frame to be more compact than the first.
EXPECT_LE(frame2->length(), frame1->length());
// Decompress the first frame
scoped_ptr<SpdyFrame> frame3(framer.DecompressFrame(*frame1.get()));
// Decompress the second frame
scoped_ptr<SpdyFrame> frame4(framer.DecompressFrame(*frame2.get()));
// Expect frames 3 & 4 to be the same.
EXPECT_EQ(0,
memcmp(frame3->data(), frame4->data(),
SpdyFrame::size() + frame3->length()));
}
TEST_F(SpdyFramerTest, DecompressUncompressedFrame) {
SpdyHeaderBlock headers;
headers["server"] = "SpdyServer 1.0";
headers["date"] = "Mon 12 Jan 2009 12:12:12 PST";
headers["status"] = "200";
headers["version"] = "HTTP/1.1";
headers["content-type"] = "text/html";
headers["content-length"] = "12";
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, true);
scoped_ptr<SpdySynStreamControlFrame>
frame1(framer.CreateSynStream(1, 0, 1, CONTROL_FLAG_NONE, false,
&headers));
// Decompress the frame
scoped_ptr<SpdyFrame> frame2(framer.DecompressFrame(*frame1.get()));
EXPECT_EQ(NULL, frame2.get());
}
TEST_F(SpdyFramerTest, Basic) {
const unsigned char input[] = {
0x80, 0x02, 0x00, 0x01, // SYN Stream #1
0x00, 0x00, 0x00, 0x14,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01,
0x00, 0x02, 'h', 'h',
0x00, 0x02, 'v', 'v',
0x80, 0x02, 0x00, 0x08, // HEADERS on Stream #1
0x00, 0x00, 0x00, 0x18,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x02,
0x00, 0x02, 'h', '2',
0x00, 0x02, 'v', '2',
0x00, 0x02, 'h', '3',
0x00, 0x02, 'v', '3',
0x00, 0x00, 0x00, 0x01, // DATA on Stream #1
0x00, 0x00, 0x00, 0x0c,
0xde, 0xad, 0xbe, 0xef,
0xde, 0xad, 0xbe, 0xef,
0xde, 0xad, 0xbe, 0xef,
0x80, 0x02, 0x00, 0x01, // SYN Stream #3
0x00, 0x00, 0x00, 0x0c,
0x00, 0x00, 0x00, 0x03,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x03, // DATA on Stream #3
0x00, 0x00, 0x00, 0x08,
0xde, 0xad, 0xbe, 0xef,
0xde, 0xad, 0xbe, 0xef,
0x00, 0x00, 0x00, 0x01, // DATA on Stream #1
0x00, 0x00, 0x00, 0x04,
0xde, 0xad, 0xbe, 0xef,
0x80, 0x02, 0x00, 0x03, // RST_STREAM on Stream #1
0x00, 0x00, 0x00, 0x08,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x03, // DATA on Stream #3
0x00, 0x00, 0x00, 0x00,
0x80, 0x02, 0x00, 0x03, // RST_STREAM on Stream #3
0x00, 0x00, 0x00, 0x08,
0x00, 0x00, 0x00, 0x03,
0x00, 0x00, 0x00, 0x00,
};
TestSpdyVisitor visitor;
visitor.SimulateInFramer(input, sizeof(input));
EXPECT_EQ(0, visitor.error_count_);
EXPECT_EQ(2, visitor.syn_frame_count_);
EXPECT_EQ(0, visitor.syn_reply_frame_count_);
EXPECT_EQ(1, visitor.headers_frame_count_);
EXPECT_EQ(24, visitor.data_bytes_);
EXPECT_EQ(2, visitor.fin_frame_count_);
EXPECT_EQ(0, visitor.fin_flag_count_);
EXPECT_EQ(0, visitor.zero_length_data_frame_count_);
}
// Test that the FIN flag on a data frame signifies EOF.
TEST_F(SpdyFramerTest, FinOnDataFrame) {
const unsigned char input[] = {
0x80, 0x02, 0x00, 0x01, // SYN Stream #1
0x00, 0x00, 0x00, 0x14,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01,
0x00, 0x02, 'h', 'h',
0x00, 0x02, 'v', 'v',
0x80, 0x02, 0x00, 0x02, // SYN REPLY Stream #1
0x00, 0x00, 0x00, 0x10,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x01,
0x00, 0x02, 'a', 'a',
0x00, 0x02, 'b', 'b',
0x00, 0x00, 0x00, 0x01, // DATA on Stream #1
0x00, 0x00, 0x00, 0x0c,
0xde, 0xad, 0xbe, 0xef,
0xde, 0xad, 0xbe, 0xef,
0xde, 0xad, 0xbe, 0xef,
0x00, 0x00, 0x00, 0x01, // DATA on Stream #1, with EOF
0x01, 0x00, 0x00, 0x04,
0xde, 0xad, 0xbe, 0xef,
};
TestSpdyVisitor visitor;
visitor.SimulateInFramer(input, sizeof(input));
EXPECT_EQ(0, visitor.error_count_);
EXPECT_EQ(1, visitor.syn_frame_count_);
EXPECT_EQ(1, visitor.syn_reply_frame_count_);
EXPECT_EQ(0, visitor.headers_frame_count_);
EXPECT_EQ(16, visitor.data_bytes_);
EXPECT_EQ(0, visitor.fin_frame_count_);
EXPECT_EQ(0, visitor.fin_flag_count_);
EXPECT_EQ(1, visitor.zero_length_data_frame_count_);
}
// Test that the FIN flag on a SYN reply frame signifies EOF.
TEST_F(SpdyFramerTest, FinOnSynReplyFrame) {
const unsigned char input[] = {
0x80, 0x02, 0x00, 0x01, // SYN Stream #1
0x00, 0x00, 0x00, 0x14,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01,
0x00, 0x02, 'h', 'h',
0x00, 0x02, 'v', 'v',
0x80, 0x02, 0x00, 0x02, // SYN REPLY Stream #1
0x01, 0x00, 0x00, 0x10,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x01,
0x00, 0x02, 'a', 'a',
0x00, 0x02, 'b', 'b',
};
TestSpdyVisitor visitor;
visitor.SimulateInFramer(input, sizeof(input));
EXPECT_EQ(0, visitor.error_count_);
EXPECT_EQ(1, visitor.syn_frame_count_);
EXPECT_EQ(1, visitor.syn_reply_frame_count_);
EXPECT_EQ(0, visitor.headers_frame_count_);
EXPECT_EQ(0, visitor.data_bytes_);
EXPECT_EQ(0, visitor.fin_frame_count_);
EXPECT_EQ(1, visitor.fin_flag_count_);
EXPECT_EQ(1, visitor.zero_length_data_frame_count_);
}
// Basic compression & decompression
TEST_F(SpdyFramerTest, DataCompression) {
SpdyFramer send_framer;
SpdyFramer recv_framer;
FramerSetEnableCompressionHelper(&send_framer, true);
FramerSetEnableCompressionHelper(&recv_framer, true);
// Mix up some SYNs and DATA frames since they use different compressors.
const char kHeader1[] = "header1";
const char kHeader2[] = "header2";
const char kHeader3[] = "header3";
const char kValue1[] = "value1";
const char kValue2[] = "value2";
const char kValue3[] = "value3";
// SYN_STREAM #1
SpdyHeaderBlock block;
block[kHeader1] = kValue1;
block[kHeader2] = kValue2;
SpdyControlFlags flags(CONTROL_FLAG_NONE);
scoped_ptr<spdy::SpdyFrame> syn_frame_1(
send_framer.CreateSynStream(1, 0, 0, flags, true, &block));
EXPECT_TRUE(syn_frame_1.get() != NULL);
// DATA #1
const char bytes[] = "this is a test test test test test!";
scoped_ptr<SpdyFrame> data_frame_1(
send_framer.CreateDataFrame(1, bytes, arraysize(bytes),
DATA_FLAG_COMPRESSED));
EXPECT_TRUE(data_frame_1.get() != NULL);
// SYN_STREAM #2
block[kHeader3] = kValue3;
scoped_ptr<SpdyFrame> syn_frame_2(
send_framer.CreateSynStream(3, 0, 0, flags, true, &block));
EXPECT_TRUE(syn_frame_2.get() != NULL);
// DATA #2
scoped_ptr<SpdyFrame> data_frame_2(
send_framer.CreateDataFrame(3, bytes, arraysize(bytes),
DATA_FLAG_COMPRESSED));
EXPECT_TRUE(data_frame_2.get() != NULL);
// Now start decompressing
scoped_ptr<SpdyFrame> decompressed;
SpdyControlFrame* control_frame;
SpdyDataFrame* data_frame;
SpdyHeaderBlock decompressed_headers;
decompressed.reset(recv_framer.DuplicateFrame(*syn_frame_1.get()));
EXPECT_TRUE(decompressed.get() != NULL);
EXPECT_TRUE(decompressed->is_control_frame());
control_frame = reinterpret_cast<SpdyControlFrame*>(decompressed.get());
EXPECT_EQ(SYN_STREAM, control_frame->type());
EXPECT_TRUE(recv_framer.ParseHeaderBlock(
control_frame, &decompressed_headers));
EXPECT_EQ(2u, decompressed_headers.size());
EXPECT_EQ(SYN_STREAM, control_frame->type());
EXPECT_EQ(kValue1, decompressed_headers[kHeader1]);
EXPECT_EQ(kValue2, decompressed_headers[kHeader2]);
decompressed.reset(recv_framer.DecompressFrame(*data_frame_1.get()));
EXPECT_TRUE(decompressed.get() != NULL);
EXPECT_FALSE(decompressed->is_control_frame());
data_frame = reinterpret_cast<SpdyDataFrame*>(decompressed.get());
EXPECT_EQ(arraysize(bytes), data_frame->length());
EXPECT_EQ(0, memcmp(data_frame->payload(), bytes, data_frame->length()));
decompressed.reset(recv_framer.DuplicateFrame(*syn_frame_2.get()));
EXPECT_TRUE(decompressed.get() != NULL);
EXPECT_TRUE(decompressed->is_control_frame());
control_frame = reinterpret_cast<SpdyControlFrame*>(decompressed.get());
EXPECT_EQ(control_frame->type(), SYN_STREAM);
decompressed_headers.clear();
EXPECT_TRUE(recv_framer.ParseHeaderBlock(
control_frame, &decompressed_headers));
EXPECT_EQ(3u, decompressed_headers.size());
EXPECT_EQ(SYN_STREAM, control_frame->type());
EXPECT_EQ(kValue1, decompressed_headers[kHeader1]);
EXPECT_EQ(kValue2, decompressed_headers[kHeader2]);
EXPECT_EQ(kValue3, decompressed_headers[kHeader3]);
decompressed.reset(recv_framer.DecompressFrame(*data_frame_2.get()));
EXPECT_TRUE(decompressed.get() != NULL);
EXPECT_FALSE(decompressed->is_control_frame());
data_frame = reinterpret_cast<SpdyDataFrame*>(decompressed.get());
EXPECT_EQ(arraysize(bytes), data_frame->length());
EXPECT_EQ(0, memcmp(data_frame->payload(), bytes, data_frame->length()));
// We didn't close these streams, so the compressors should be active.
EXPECT_EQ(2, send_framer.num_stream_compressors());
EXPECT_EQ(0, send_framer.num_stream_decompressors());
EXPECT_EQ(0, recv_framer.num_stream_compressors());
EXPECT_EQ(2, recv_framer.num_stream_decompressors());
}
// Verify we don't leak when we leave streams unclosed
TEST_F(SpdyFramerTest, UnclosedStreamDataCompressors) {
SpdyFramer send_framer;
FramerSetEnableCompressionHelper(&send_framer, false);
const char kHeader1[] = "header1";
const char kHeader2[] = "header2";
const char kValue1[] = "value1";
const char kValue2[] = "value2";
SpdyHeaderBlock block;
block[kHeader1] = kValue1;
block[kHeader2] = kValue2;
SpdyControlFlags flags(CONTROL_FLAG_NONE);
scoped_ptr<spdy::SpdyFrame> syn_frame(
send_framer.CreateSynStream(1, 0, 0, flags, true, &block));
EXPECT_TRUE(syn_frame.get() != NULL);
const char bytes[] = "this is a test test test test test!";
scoped_ptr<SpdyFrame> send_frame(
send_framer.CreateDataFrame(1,
bytes,
arraysize(bytes),
DATA_FLAG_FIN));
EXPECT_TRUE(send_frame.get() != NULL);
// Run the inputs through the framer.
TestSpdyVisitor visitor;
const unsigned char* data;
data = reinterpret_cast<const unsigned char*>(syn_frame->data());
visitor.SimulateInFramer(data, syn_frame->length() + SpdyFrame::size());
data = reinterpret_cast<const unsigned char*>(send_frame->data());
visitor.SimulateInFramer(data, send_frame->length() + SpdyFrame::size());
EXPECT_EQ(0, visitor.error_count_);
EXPECT_EQ(1, visitor.syn_frame_count_);
EXPECT_EQ(0, visitor.syn_reply_frame_count_);
EXPECT_EQ(0, visitor.headers_frame_count_);
EXPECT_EQ(arraysize(bytes), static_cast<unsigned>(visitor.data_bytes_));
EXPECT_EQ(0, visitor.fin_frame_count_);
EXPECT_EQ(0, visitor.fin_flag_count_);
EXPECT_EQ(1, visitor.zero_length_data_frame_count_);
// We closed the streams, so all compressors should be down.
EXPECT_EQ(0, visitor.framer_.num_stream_compressors());
EXPECT_EQ(0, visitor.framer_.num_stream_decompressors());
EXPECT_EQ(0, send_framer.num_stream_compressors());
EXPECT_EQ(0, send_framer.num_stream_decompressors());
}
TEST_F(SpdyFramerTest, CreateDataFrame) {
SpdyFramer framer;
{
const char kDescription[] = "'hello' data frame, no FIN";
const unsigned char kFrameData[] = {
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x05,
'h', 'e', 'l', 'l',
'o'
};
scoped_ptr<SpdyFrame> frame(framer.CreateDataFrame(
1, "hello", 5, DATA_FLAG_NONE));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] = "Data frame with negative data byte, no FIN";
const unsigned char kFrameData[] = {
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x01,
0xff
};
scoped_ptr<SpdyFrame> frame(framer.CreateDataFrame(
1, "\xff", 1, DATA_FLAG_NONE));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] = "'hello' data frame, with FIN";
const unsigned char kFrameData[] = {
0x00, 0x00, 0x00, 0x01,
0x01, 0x00, 0x00, 0x05,
'h', 'e', 'l', 'l',
'o'
};
scoped_ptr<SpdyFrame> frame(framer.CreateDataFrame(
1, "hello", 5, DATA_FLAG_FIN));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] = "Empty data frame";
const unsigned char kFrameData[] = {
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
};
scoped_ptr<SpdyFrame> frame(framer.CreateDataFrame(
1, "", 0, DATA_FLAG_NONE));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] = "Data frame with max stream ID";
const unsigned char kFrameData[] = {
0x7f, 0xff, 0xff, 0xff,
0x01, 0x00, 0x00, 0x05,
'h', 'e', 'l', 'l',
'o'
};
scoped_ptr<SpdyFrame> frame(framer.CreateDataFrame(
0x7fffffff, "hello", 5, DATA_FLAG_FIN));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateSynStreamUncompressed) {
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, false);
{
const char kDescription[] = "SYN_STREAM frame, lowest pri, no FIN";
SpdyHeaderBlock headers;
headers["bar"] = "foo";
headers["foo"] = "bar";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x01,
0x00, 0x00, 0x00, 0x20,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0xC0, 0x00, 0x00, 0x02,
0x00, 0x03, 'b', 'a',
'r', 0x00, 0x03, 'f',
'o', 'o', 0x00, 0x03,
'f', 'o', 'o', 0x00,
0x03, 'b', 'a', 'r'
};
scoped_ptr<SpdyFrame> frame(framer.CreateSynStream(
1, 0, SPDY_PRIORITY_LOWEST, CONTROL_FLAG_NONE,
false, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] =
"SYN_STREAM frame with a 0-length header name, highest pri, FIN, "
"max stream ID";
SpdyHeaderBlock headers;
headers[""] = "foo";
headers["foo"] = "bar";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x01,
0x01, 0x00, 0x00, 0x1D,
0x7f, 0xff, 0xff, 0xff,
0x7f, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x03,
'f', 'o', 'o', 0x00,
0x03, 'f', 'o', 'o',
0x00, 0x03, 'b', 'a',
'r'
};
scoped_ptr<SpdyFrame> frame(framer.CreateSynStream(
0x7fffffff, 0x7fffffff, SPDY_PRIORITY_HIGHEST, CONTROL_FLAG_FIN,
false, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] =
"SYN_STREAM frame with a 0-length header val, highest pri, FIN, "
"max stream ID";
SpdyHeaderBlock headers;
headers["bar"] = "foo";
headers["foo"] = "";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x01,
0x01, 0x00, 0x00, 0x1D,
0x7f, 0xff, 0xff, 0xff,
0x7f, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x02,
0x00, 0x03, 'b', 'a',
'r', 0x00, 0x03, 'f',
'o', 'o', 0x00, 0x03,
'f', 'o', 'o', 0x00,
0x00
};
scoped_ptr<SpdyFrame> frame(framer.CreateSynStream(
0x7fffffff, 0x7fffffff, SPDY_PRIORITY_HIGHEST, CONTROL_FLAG_FIN,
false, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateSynStreamCompressed) {
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, true);
{
const char kDescription[] =
"SYN_STREAM frame, lowest pri, no FIN";
SpdyHeaderBlock headers;
headers["bar"] = "foo";
headers["foo"] = "bar";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x01,
0x00, 0x00, 0x00, 0x25,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
0xC0, 0x00, 0x38, 0xea,
0xdf, 0xa2, 0x51, 0xb2,
0x62, 0x60, 0x62, 0x60,
0x4e, 0x4a, 0x2c, 0x62,
0x60, 0x4e, 0xcb, 0xcf,
0x87, 0x12, 0x40, 0x2e,
0x00, 0x00, 0x00, 0xff,
0xff
};
scoped_ptr<SpdyFrame> frame(framer.CreateSynStream(
1, 0, SPDY_PRIORITY_LOWEST, CONTROL_FLAG_NONE,
true, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateSynReplyUncompressed) {
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, false);
{
const char kDescription[] = "SYN_REPLY frame, no FIN";
SpdyHeaderBlock headers;
headers["bar"] = "foo";
headers["foo"] = "bar";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x02,
0x00, 0x00, 0x00, 0x1C,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x02,
0x00, 0x03, 'b', 'a',
'r', 0x00, 0x03, 'f',
'o', 'o', 0x00, 0x03,
'f', 'o', 'o', 0x00,
0x03, 'b', 'a', 'r'
};
scoped_ptr<SpdyFrame> frame(framer.CreateSynReply(
1, CONTROL_FLAG_NONE, false, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] =
"SYN_REPLY frame with a 0-length header name, FIN, max stream ID";
SpdyHeaderBlock headers;
headers[""] = "foo";
headers["foo"] = "bar";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x02,
0x01, 0x00, 0x00, 0x19,
0x7f, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x03,
'f', 'o', 'o', 0x00,
0x03, 'f', 'o', 'o',
0x00, 0x03, 'b', 'a',
'r'
};
scoped_ptr<SpdyFrame> frame(framer.CreateSynReply(
0x7fffffff, CONTROL_FLAG_FIN, false, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] =
"SYN_REPLY frame with a 0-length header val, FIN, max stream ID";
SpdyHeaderBlock headers;
headers["bar"] = "foo";
headers["foo"] = "";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x02,
0x01, 0x00, 0x00, 0x19,
0x7f, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x02,
0x00, 0x03, 'b', 'a',
'r', 0x00, 0x03, 'f',
'o', 'o', 0x00, 0x03,
'f', 'o', 'o', 0x00,
0x00
};
scoped_ptr<SpdyFrame> frame(framer.CreateSynReply(
0x7fffffff, CONTROL_FLAG_FIN, false, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateSynReplyCompressed) {
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, true);
{
const char kDescription[] = "SYN_REPLY frame, no FIN";
SpdyHeaderBlock headers;
headers["bar"] = "foo";
headers["foo"] = "bar";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x02,
0x00, 0x00, 0x00, 0x21,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x38, 0xea,
0xdf, 0xa2, 0x51, 0xb2,
0x62, 0x60, 0x62, 0x60,
0x4e, 0x4a, 0x2c, 0x62,
0x60, 0x4e, 0xcb, 0xcf,
0x87, 0x12, 0x40, 0x2e,
0x00, 0x00, 0x00, 0xff,
0xff
};
scoped_ptr<SpdyFrame> frame(framer.CreateSynReply(
1, CONTROL_FLAG_NONE, true, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateRstStream) {
SpdyFramer framer;
{
const char kDescription[] = "RST_STREAM frame";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x03,
0x00, 0x00, 0x00, 0x08,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x01,
};
scoped_ptr<SpdyFrame> frame(framer.CreateRstStream(1, PROTOCOL_ERROR));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] = "RST_STREAM frame with max stream ID";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x03,
0x00, 0x00, 0x00, 0x08,
0x7f, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x01,
};
scoped_ptr<SpdyFrame> frame(framer.CreateRstStream(0x7FFFFFFF,
PROTOCOL_ERROR));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] = "RST_STREAM frame with max status code";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x03,
0x00, 0x00, 0x00, 0x08,
0x7f, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x06,
};
scoped_ptr<SpdyFrame> frame(framer.CreateRstStream(0x7FFFFFFF,
INTERNAL_ERROR));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateSettings) {
SpdyFramer framer;
{
const char kDescription[] = "Basic SETTINGS frame";
SpdySettings settings;
settings.push_back(SpdySetting(0x00000000, 0x00000000));
settings.push_back(SpdySetting(0xffffffff, 0x00000001));
settings.push_back(SpdySetting(0xff000001, 0x00000002));
// Duplicates allowed
settings.push_back(SpdySetting(0x01000002, 0x00000003));
settings.push_back(SpdySetting(0x01000002, 0x00000003));
settings.push_back(SpdySetting(0x01000003, 0x000000ff));
settings.push_back(SpdySetting(0x01000004, 0xff000001));
settings.push_back(SpdySetting(0x01000004, 0xffffffff));
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x04,
0x00, 0x00, 0x00, 0x44,
0x00, 0x00, 0x00, 0x08,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0xff, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x01,
0xff, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x02,
0x01, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x03,
0x01, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x03,
0x01, 0x00, 0x00, 0x03,
0x00, 0x00, 0x00, 0xff,
0x01, 0x00, 0x00, 0x04,
0xff, 0x00, 0x00, 0x01,
0x01, 0x00, 0x00, 0x04,
0xff, 0xff, 0xff, 0xff,
};
scoped_ptr<SpdyFrame> frame(framer.CreateSettings(settings));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] = "Empty SETTINGS frame";
SpdySettings settings;
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x04,
0x00, 0x00, 0x00, 0x04,
0x00, 0x00, 0x00, 0x00,
};
scoped_ptr<SpdyFrame> frame(framer.CreateSettings(settings));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateNopFrame) {
SpdyFramer framer;
{
const char kDescription[] = "NOOP frame";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x05,
0x00, 0x00, 0x00, 0x00,
};
scoped_ptr<SpdyFrame> frame(framer.CreateNopFrame());
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateGoAway) {
SpdyFramer framer;
{
const char kDescription[] = "GOAWAY frame";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x07,
0x00, 0x00, 0x00, 0x04,
0x00, 0x00, 0x00, 0x00,
};
scoped_ptr<SpdyFrame> frame(framer.CreateGoAway(0));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] = "GOAWAY frame with max stream ID";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x07,
0x00, 0x00, 0x00, 0x04,
0x7f, 0xff, 0xff, 0xff,
};
scoped_ptr<SpdyFrame> frame(framer.CreateGoAway(0x7FFFFFFF));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateHeadersUncompressed) {
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, false);
{
const char kDescription[] = "HEADERS frame, no FIN";
SpdyHeaderBlock headers;
headers["bar"] = "foo";
headers["foo"] = "bar";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x08,
0x00, 0x00, 0x00, 0x1C,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x02,
0x00, 0x03, 'b', 'a',
'r', 0x00, 0x03, 'f',
'o', 'o', 0x00, 0x03,
'f', 'o', 'o', 0x00,
0x03, 'b', 'a', 'r'
};
scoped_ptr<SpdyFrame> frame(framer.CreateHeaders(
1, CONTROL_FLAG_NONE, false, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] =
"HEADERS frame with a 0-length header name, FIN, max stream ID";
SpdyHeaderBlock headers;
headers[""] = "foo";
headers["foo"] = "bar";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x08,
0x01, 0x00, 0x00, 0x19,
0x7f, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x03,
'f', 'o', 'o', 0x00,
0x03, 'f', 'o', 'o',
0x00, 0x03, 'b', 'a',
'r'
};
scoped_ptr<SpdyFrame> frame(framer.CreateHeaders(
0x7fffffff, CONTROL_FLAG_FIN, false, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] =
"HEADERS frame with a 0-length header val, FIN, max stream ID";
SpdyHeaderBlock headers;
headers["bar"] = "foo";
headers["foo"] = "";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x08,
0x01, 0x00, 0x00, 0x19,
0x7f, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x02,
0x00, 0x03, 'b', 'a',
'r', 0x00, 0x03, 'f',
'o', 'o', 0x00, 0x03,
'f', 'o', 'o', 0x00,
0x00
};
scoped_ptr<SpdyFrame> frame(framer.CreateHeaders(
0x7fffffff, CONTROL_FLAG_FIN, false, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateHeadersCompressed) {
SpdyFramer framer;
FramerSetEnableCompressionHelper(&framer, true);
{
const char kDescription[] = "HEADERS frame, no FIN";
SpdyHeaderBlock headers;
headers["bar"] = "foo";
headers["foo"] = "bar";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x08,
0x00, 0x00, 0x00, 0x21,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x38, 0xea,
0xdf, 0xa2, 0x51, 0xb2,
0x62, 0x60, 0x62, 0x60,
0x4e, 0x4a, 0x2c, 0x62,
0x60, 0x4e, 0xcb, 0xcf,
0x87, 0x12, 0x40, 0x2e,
0x00, 0x00, 0x00, 0xff,
0xff
};
scoped_ptr<SpdyFrame> frame(framer.CreateHeaders(
1, CONTROL_FLAG_NONE, true, &headers));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
TEST_F(SpdyFramerTest, CreateWindowUpdate) {
SpdyFramer framer;
{
const char kDescription[] = "WINDOW_UPDATE frame";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x09,
0x00, 0x00, 0x00, 0x08,
0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x01,
};
scoped_ptr<SpdyFrame> frame(framer.CreateWindowUpdate(1, 1));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] = "WINDOW_UPDATE frame with max stream ID";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x09,
0x00, 0x00, 0x00, 0x08,
0x7f, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x01,
};
scoped_ptr<SpdyFrame> frame(framer.CreateWindowUpdate(0x7FFFFFFF, 1));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
{
const char kDescription[] = "WINDOW_UPDATE frame with max window delta";
const unsigned char kFrameData[] = {
0x80, 0x02, 0x00, 0x09,
0x00, 0x00, 0x00, 0x08,
0x00, 0x00, 0x00, 0x01,
0x7f, 0xff, 0xff, 0xff,
};
scoped_ptr<SpdyFrame> frame(framer.CreateWindowUpdate(1, 0x7FFFFFFF));
CompareFrame(kDescription, *frame, kFrameData, arraysize(kFrameData));
}
}
// This test case reproduces conditions that caused ExpandControlFrameBuffer to
// fail to expand the buffer control frame buffer when it should have, allowing
// the framer to overrun the buffer, and smash other heap contents. This test
// relies on the debug version of the heap manager, which checks for buffer
// overrun errors during delete processing. Regression test for b/2974814.
TEST_F(SpdyFramerTest, ExpandBuffer_HeapSmash) {
// Sweep through the area of problematic values, to make sure we always cover
// the danger zone, even if it moves around at bit due to SPDY changes.
for (uint16 val2_len = SpdyFramer::kControlFrameBufferInitialSize - 50;
val2_len < SpdyFramer::kControlFrameBufferInitialSize;
val2_len++) {
std::string val2 = std::string(val2_len, 'a');
SpdyHeaderBlock headers;
headers["bar"] = "foo";
headers["foo"] = "baz";
headers["grue"] = val2.c_str();
SpdyFramer framer;
scoped_ptr<SpdySynStreamControlFrame> template_frame(
framer.CreateSynStream(1, // stream_id
0, // associated_stream_id
1, // priority
CONTROL_FLAG_NONE,
false, // compress
&headers));
EXPECT_TRUE(template_frame.get() != NULL);
TestSpdyVisitor visitor;
visitor.SimulateInFramer(
reinterpret_cast<unsigned char*>(template_frame.get()->data()),
template_frame.get()->length() + SpdyControlFrame::size());
EXPECT_EQ(1, visitor.syn_frame_count_);
}
}
std::string RandomString(int length) {
std::string rv;
for (int index = 0; index < length; index++)
rv += static_cast<char>('a' + (rand() % 26));
return rv;
}
// Stress that we can handle a really large header block compression and
// decompression.
TEST_F(SpdyFramerTest, HugeHeaderBlock) {
// Loop targetting various sizes which will potentially jam up the
// frame compressor/decompressor.
SpdyFramer compress_framer;
SpdyFramer decompress_framer;
for (size_t target_size = 1024;
target_size < SpdyFramer::kControlFrameBufferInitialSize;
target_size += 1024) {
SpdyHeaderBlock headers;
for (size_t index = 0; index < target_size; ++index) {
std::string name = RandomString(4);
std::string value = RandomString(8);
headers[name] = value;
}
// Encode the header block into a SynStream frame.
scoped_ptr<SpdySynStreamControlFrame> frame(
compress_framer.CreateSynStream(1,
0,
1,
CONTROL_FLAG_NONE,
true,
&headers));
// The point of this test is to exercise the limits. So, it is ok if the
// frame was too large to encode, or if the decompress fails. We just want
// to make sure we don't crash.
if (frame.get() != NULL) {
// Now that same header block should decompress just fine.
SpdyHeaderBlock new_headers;
decompress_framer.ParseHeaderBlock(frame.get(), &new_headers);
}
}
}
} // namespace