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// 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/priority_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 PriorityPayloadDecoderPeer {
public:
static constexpr Http2FrameType FrameType() {
return Http2FrameType::PRIORITY;
}
// 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 OnPriorityFrame(const Http2FrameHeader& header,
const Http2PriorityFields& priority_fields) override {
HTTP2_VLOG(1) << "OnPriority: " << header << "; " << priority_fields;
StartAndEndFrame(header)->OnPriorityFrame(header, priority_fields);
}
void OnFrameSizeError(const Http2FrameHeader& header) override {
HTTP2_VLOG(1) << "OnFrameSizeError: " << header;
FrameError(header)->OnFrameSizeError(header);
}
};
class PriorityPayloadDecoderTest
: public AbstractPayloadDecoderTest<PriorityPayloadDecoder,
PriorityPayloadDecoderPeer,
Listener> {
protected:
Http2PriorityFields RandPriorityFields() {
Http2PriorityFields fields;
test::Randomize(&fields, RandomPtr());
return fields;
}
};
// Confirm we get an error if the payload is not the correct size to hold
// exactly one Http2PriorityFields.
TEST_F(PriorityPayloadDecoderTest, WrongSize) {
auto approve_size = [](size_t size) {
return size != Http2PriorityFields::EncodedSize();
};
Http2FrameBuilder fb;
fb.Append(RandPriorityFields());
fb.Append(RandPriorityFields());
EXPECT_TRUE(VerifyDetectsFrameSizeError(0, fb.buffer(), approve_size));
}
TEST_F(PriorityPayloadDecoderTest, VariousPayloads) {
for (int n = 0; n < 100; ++n) {
Http2PriorityFields fields = RandPriorityFields();
Http2FrameBuilder fb;
fb.Append(fields);
Http2FrameHeader header(fb.size(), Http2FrameType::PRIORITY, RandFlags(),
RandStreamId());
set_frame_header(header);
FrameParts expected(header);
expected.SetOptPriority(fields);
EXPECT_TRUE(DecodePayloadAndValidateSeveralWays(fb.buffer(), expected));
}
}
} // namespace
} // namespace test
} // namespace http2
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