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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 "http2/decoder/payload_decoders/ping_payload_decoder.h"
#include <stddef.h>
#include "http2/decoder/http2_frame_decoder_listener.h"
#include "http2/decoder/payload_decoders/payload_decoder_base_test_util.h"
#include "http2/http2_constants.h"
#include "http2/http2_structures_test_util.h"
#include "http2/platform/api/http2_logging.h"
#include "http2/test_tools/frame_parts.h"
#include "http2/test_tools/frame_parts_collector.h"
#include "http2/test_tools/http2_random.h"
#include "http2/tools/http2_frame_builder.h"
#include "http2/tools/random_decoder_test.h"
#include "common/platform/api/quiche_test.h"
namespace http2 {
namespace test {
class PingPayloadDecoderPeer {
public:
static constexpr Http2FrameType FrameType() { return Http2FrameType::PING; }
// 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 OnPing(const Http2FrameHeader& header,
const Http2PingFields& ping) override {
HTTP2_VLOG(1) << "OnPing: " << header << "; " << ping;
StartAndEndFrame(header)->OnPing(header, ping);
}
void OnPingAck(const Http2FrameHeader& header,
const Http2PingFields& ping) override {
HTTP2_VLOG(1) << "OnPingAck: " << header << "; " << ping;
StartAndEndFrame(header)->OnPingAck(header, ping);
}
void OnFrameSizeError(const Http2FrameHeader& header) override {
HTTP2_VLOG(1) << "OnFrameSizeError: " << header;
FrameError(header)->OnFrameSizeError(header);
}
};
class PingPayloadDecoderTest
: public AbstractPayloadDecoderTest<PingPayloadDecoder,
PingPayloadDecoderPeer,
Listener> {
protected:
Http2PingFields RandPingFields() {
Http2PingFields fields;
test::Randomize(&fields, RandomPtr());
return fields;
}
};
// Confirm we get an error if the payload is not the correct size to hold
// exactly one Http2PingFields.
TEST_F(PingPayloadDecoderTest, WrongSize) {
auto approve_size = [](size_t size) {
return size != Http2PingFields::EncodedSize();
};
Http2FrameBuilder fb;
fb.Append(RandPingFields());
fb.Append(RandPingFields());
fb.Append(RandPingFields());
EXPECT_TRUE(VerifyDetectsFrameSizeError(0, fb.buffer(), approve_size));
}
TEST_F(PingPayloadDecoderTest, Ping) {
for (int n = 0; n < 100; ++n) {
Http2PingFields fields = RandPingFields();
Http2FrameBuilder fb;
fb.Append(fields);
Http2FrameHeader header(fb.size(), Http2FrameType::PING,
RandFlags() & ~Http2FrameFlag::ACK, RandStreamId());
set_frame_header(header);
FrameParts expected(header);
expected.SetOptPing(fields);
EXPECT_TRUE(DecodePayloadAndValidateSeveralWays(fb.buffer(), expected));
}
}
TEST_F(PingPayloadDecoderTest, PingAck) {
for (int n = 0; n < 100; ++n) {
Http2PingFields fields;
Randomize(&fields, RandomPtr());
Http2FrameBuilder fb;
fb.Append(fields);
Http2FrameHeader header(fb.size(), Http2FrameType::PING,
RandFlags() | Http2FrameFlag::ACK, RandStreamId());
set_frame_header(header);
FrameParts expected(header);
expected.SetOptPing(fields);
EXPECT_TRUE(DecodePayloadAndValidateSeveralWays(fb.buffer(), expected));
}
}
} // namespace
} // namespace test
} // namespace http2
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