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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/http2/decoder/payload_decoders/data_payload_decoder.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/logging.h" | |
| 12 #include "net/http2/decoder/frame_parts.h" | |
| 13 #include "net/http2/decoder/frame_parts_collector.h" | |
| 14 #include "net/http2/decoder/http2_frame_decoder_listener.h" | |
| 15 #include "net/http2/decoder/payload_decoders/payload_decoder_base_test_util.h" | |
| 16 #include "net/http2/http2_constants.h" | |
| 17 #include "net/http2/http2_structures.h" | |
| 18 #include "net/http2/http2_structures_test_util.h" | |
| 19 #include "net/http2/tools/failure.h" | |
| 20 #include "net/http2/tools/http2_frame_builder.h" | |
| 21 #include "net/http2/tools/http2_random.h" | |
| 22 #include "net/http2/tools/random_decoder_test.h" | |
| 23 #include "testing/gtest/include/gtest/gtest.h" | |
| 24 | |
| 25 using ::testing::AssertionResult; | |
| 26 using std::string; | |
| 27 | |
| 28 namespace net { | |
| 29 namespace test { | |
| 30 | |
| 31 // Provides friend access to an instance of the payload decoder, and also | |
| 32 // provides info to aid in testing. | |
| 33 class DataPayloadDecoderPeer { | |
| 34 public: | |
| 35 static constexpr Http2FrameType FrameType() { return Http2FrameType::DATA; } | |
| 36 | |
| 37 // Returns the mask of flags that affect the decoding of the payload (i.e. | |
| 38 // flags that that indicate the presence of certain fields or padding). | |
| 39 static constexpr uint8_t FlagsAffectingPayloadDecoding() { | |
| 40 return Http2FrameFlag::FLAG_PADDED; | |
| 41 } | |
| 42 | |
| 43 static void Randomize(DataPayloadDecoder* p, RandomBase* rng) { | |
| 44 VLOG(1) << "DataPayloadDecoderPeer::Randomize"; | |
| 45 CorruptEnum(&p->payload_state_, rng); | |
| 46 } | |
| 47 }; | |
| 48 | |
| 49 namespace { | |
| 50 | |
| 51 struct Listener : public FramePartsCollector { | |
| 52 void OnDataStart(const Http2FrameHeader& header) override { | |
| 53 VLOG(1) << "OnDataStart: " << header; | |
| 54 StartFrame(header)->OnDataStart(header); | |
| 55 } | |
| 56 | |
| 57 void OnDataPayload(const char* data, size_t len) override { | |
| 58 VLOG(1) << "OnDataPayload: len=" << len; | |
| 59 CurrentFrame()->OnDataPayload(data, len); | |
| 60 } | |
| 61 | |
| 62 void OnDataEnd() override { | |
| 63 VLOG(1) << "OnDataEnd"; | |
| 64 EndFrame()->OnDataEnd(); | |
| 65 } | |
| 66 | |
| 67 void OnPadLength(size_t pad_length) override { | |
| 68 VLOG(1) << "OnPadLength: " << pad_length; | |
| 69 CurrentFrame()->OnPadLength(pad_length); | |
| 70 } | |
| 71 | |
| 72 void OnPadding(const char* padding, size_t skipped_length) override { | |
| 73 VLOG(1) << "OnPadding: " << skipped_length; | |
| 74 CurrentFrame()->OnPadding(padding, skipped_length); | |
| 75 } | |
| 76 | |
| 77 void OnPaddingTooLong(const Http2FrameHeader& header, | |
| 78 size_t missing_length) override { | |
| 79 VLOG(1) << "OnPaddingTooLong: " << header | |
| 80 << " missing_length: " << missing_length; | |
| 81 EndFrame()->OnPaddingTooLong(header, missing_length); | |
| 82 } | |
| 83 }; | |
| 84 | |
| 85 class DataPayloadDecoderTest | |
| 86 : public AbstractPaddablePayloadDecoderTest<DataPayloadDecoder, | |
| 87 DataPayloadDecoderPeer, | |
| 88 Listener> { | |
| 89 protected: | |
| 90 AssertionResult CreateAndDecodeDataOfSize(size_t data_size) { | |
| 91 Reset(); | |
| 92 uint8_t flags = RandFlags(); | |
| 93 | |
| 94 string data_payload = Random().RandString(data_size); | |
| 95 frame_builder_.Append(data_payload); | |
| 96 MaybeAppendTrailingPadding(); | |
| 97 | |
| 98 Http2FrameHeader frame_header(frame_builder_.size(), Http2FrameType::DATA, | |
| 99 flags, RandStreamId()); | |
| 100 set_frame_header(frame_header); | |
| 101 ScrubFlagsOfHeader(&frame_header); | |
| 102 FrameParts expected(frame_header, data_payload, total_pad_length_); | |
| 103 VERIFY_AND_RETURN_SUCCESS( | |
| 104 DecodePayloadAndValidateSeveralWays(frame_builder_.buffer(), expected)); | |
| 105 } | |
| 106 }; | |
| 107 | |
| 108 INSTANTIATE_TEST_CASE_P(VariousPadLengths, | |
| 109 DataPayloadDecoderTest, | |
| 110 ::testing::Values(0, 1, 2, 3, 4, 254, 255, 256)); | |
| 111 | |
| 112 TEST_P(DataPayloadDecoderTest, VariousDataPayloadSizes) { | |
| 113 for (size_t data_size : {0, 1, 2, 3, 255, 256, 1024}) { | |
| 114 EXPECT_TRUE(CreateAndDecodeDataOfSize(data_size)); | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 } // namespace | |
| 119 } // namespace test | |
| 120 } // namespace net | |
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