blob: 66d7d7eb05d80b03f0139845756299f92ea2eaa8 [file] [log] [blame]
// Copyright 2016 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/third_party/quiche/src/http2/decoder/payload_decoders/window_update_payload_decoder.h"
#include <stddef.h>
#include "testing/gtest/include/gtest/gtest.h"
#include "net/third_party/quiche/src/http2/decoder/http2_frame_decoder_listener.h"
#include "net/third_party/quiche/src/http2/decoder/payload_decoders/payload_decoder_base_test_util.h"
#include "net/third_party/quiche/src/http2/http2_constants.h"
#include "net/third_party/quiche/src/http2/http2_structures_test_util.h"
#include "net/third_party/quiche/src/http2/platform/api/http2_logging.h"
#include "net/third_party/quiche/src/http2/test_tools/frame_parts.h"
#include "net/third_party/quiche/src/http2/test_tools/frame_parts_collector.h"
#include "net/third_party/quiche/src/http2/test_tools/http2_random.h"
#include "net/third_party/quiche/src/http2/tools/http2_frame_builder.h"
#include "net/third_party/quiche/src/http2/tools/random_decoder_test.h"
namespace http2 {
namespace test {
class WindowUpdatePayloadDecoderPeer {
public:
static constexpr Http2FrameType FrameType() {
return Http2FrameType::WINDOW_UPDATE;
}
// Returns the mask of flags that affect the decoding of the payload (i.e.
// flags that that indicate the presence of certain fields or padding).
static constexpr uint8_t FlagsAffectingPayloadDecoding() { return 0; }
};
namespace {
struct Listener : public FramePartsCollector {
void OnWindowUpdate(const Http2FrameHeader& header,
uint32_t window_size_increment) override {
HTTP2_VLOG(1) << "OnWindowUpdate: " << header
<< "; window_size_increment=" << window_size_increment;
EXPECT_EQ(Http2FrameType::WINDOW_UPDATE, header.type);
StartAndEndFrame(header)->OnWindowUpdate(header, window_size_increment);
}
void OnFrameSizeError(const Http2FrameHeader& header) override {
HTTP2_VLOG(1) << "OnFrameSizeError: " << header;
FrameError(header)->OnFrameSizeError(header);
}
};
class WindowUpdatePayloadDecoderTest
: public AbstractPayloadDecoderTest<WindowUpdatePayloadDecoder,
WindowUpdatePayloadDecoderPeer,
Listener> {
protected:
Http2WindowUpdateFields RandWindowUpdateFields() {
Http2WindowUpdateFields fields;
test::Randomize(&fields, RandomPtr());
HTTP2_VLOG(3) << "RandWindowUpdateFields: " << fields;
return fields;
}
};
// Confirm we get an error if the payload is not the correct size to hold
// exactly one Http2WindowUpdateFields.
TEST_F(WindowUpdatePayloadDecoderTest, WrongSize) {
auto approve_size = [](size_t size) {
return size != Http2WindowUpdateFields::EncodedSize();
};
Http2FrameBuilder fb;
fb.Append(RandWindowUpdateFields());
fb.Append(RandWindowUpdateFields());
fb.Append(RandWindowUpdateFields());
EXPECT_TRUE(VerifyDetectsFrameSizeError(0, fb.buffer(), approve_size));
}
TEST_F(WindowUpdatePayloadDecoderTest, VariousPayloads) {
for (int n = 0; n < 100; ++n) {
uint32_t stream_id = n == 0 ? 0 : RandStreamId();
Http2WindowUpdateFields fields = RandWindowUpdateFields();
Http2FrameBuilder fb;
fb.Append(fields);
Http2FrameHeader header(fb.size(), Http2FrameType::WINDOW_UPDATE,
RandFlags(), stream_id);
set_frame_header(header);
FrameParts expected(header);
expected.SetOptWindowUpdateIncrement(fields.window_size_increment);
EXPECT_TRUE(DecodePayloadAndValidateSeveralWays(fb.buffer(), expected));
}
}
} // namespace
} // namespace test
} // namespace http2