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 "quiche/http2/decoder/payload_decoders/data_payload_decoder.h"
6
7 #include <stddef.h>
8
9 #include <string>
10
11 #include "quiche/http2/decoder/http2_frame_decoder_listener.h"
12 #include "quiche/http2/http2_constants.h"
13 #include "quiche/http2/http2_structures.h"
14 #include "quiche/http2/test_tools/frame_parts.h"
15 #include "quiche/http2/test_tools/frame_parts_collector.h"
16 #include "quiche/http2/test_tools/http2_frame_builder.h"
17 #include "quiche/http2/test_tools/http2_random.h"
18 #include "quiche/http2/test_tools/http2_structures_test_util.h"
19 #include "quiche/http2/test_tools/payload_decoder_base_test_util.h"
20 #include "quiche/http2/test_tools/random_decoder_test_base.h"
21 #include "quiche/common/platform/api/quiche_expect_bug.h"
22 #include "quiche/common/platform/api/quiche_logging.h"
23 #include "quiche/common/platform/api/quiche_test.h"
24
25 namespace http2 {
26 namespace test {
27
28 // Provides friend access to an instance of the payload decoder, and also
29 // provides info to aid in testing.
30 class DataPayloadDecoderPeer {
31 public:
FrameType()32 static constexpr Http2FrameType FrameType() { return Http2FrameType::DATA; }
33
34 // Returns the mask of flags that affect the decoding of the payload (i.e.
35 // flags that that indicate the presence of certain fields or padding).
FlagsAffectingPayloadDecoding()36 static constexpr uint8_t FlagsAffectingPayloadDecoding() {
37 return Http2FrameFlag::PADDED;
38 }
39 };
40
41 namespace {
42
43 struct Listener : public FramePartsCollector {
OnDataStarthttp2::test::__anon7c22e9950111::Listener44 void OnDataStart(const Http2FrameHeader& header) override {
45 QUICHE_VLOG(1) << "OnDataStart: " << header;
46 StartFrame(header)->OnDataStart(header);
47 }
48
OnDataPayloadhttp2::test::__anon7c22e9950111::Listener49 void OnDataPayload(const char* data, size_t len) override {
50 QUICHE_VLOG(1) << "OnDataPayload: len=" << len;
51 CurrentFrame()->OnDataPayload(data, len);
52 }
53
OnDataEndhttp2::test::__anon7c22e9950111::Listener54 void OnDataEnd() override {
55 QUICHE_VLOG(1) << "OnDataEnd";
56 EndFrame()->OnDataEnd();
57 }
58
OnPadLengthhttp2::test::__anon7c22e9950111::Listener59 void OnPadLength(size_t pad_length) override {
60 QUICHE_VLOG(1) << "OnPadLength: " << pad_length;
61 CurrentFrame()->OnPadLength(pad_length);
62 }
63
OnPaddinghttp2::test::__anon7c22e9950111::Listener64 void OnPadding(const char* padding, size_t skipped_length) override {
65 QUICHE_VLOG(1) << "OnPadding: " << skipped_length;
66 CurrentFrame()->OnPadding(padding, skipped_length);
67 }
68
OnPaddingTooLonghttp2::test::__anon7c22e9950111::Listener69 void OnPaddingTooLong(const Http2FrameHeader& header,
70 size_t missing_length) override {
71 QUICHE_VLOG(1) << "OnPaddingTooLong: " << header
72 << " missing_length: " << missing_length;
73 EndFrame()->OnPaddingTooLong(header, missing_length);
74 }
75 };
76
77 class DataPayloadDecoderTest
78 : public AbstractPaddablePayloadDecoderTest<
79 DataPayloadDecoder, DataPayloadDecoderPeer, Listener> {
80 protected:
CreateAndDecodeDataOfSize(size_t data_size)81 AssertionResult CreateAndDecodeDataOfSize(size_t data_size) {
82 Reset();
83 uint8_t flags = RandFlags();
84
85 std::string data_payload = Random().RandString(data_size);
86 frame_builder_.Append(data_payload);
87 MaybeAppendTrailingPadding();
88
89 Http2FrameHeader frame_header(frame_builder_.size(), Http2FrameType::DATA,
90 flags, RandStreamId());
91 set_frame_header(frame_header);
92 ScrubFlagsOfHeader(&frame_header);
93 FrameParts expected(frame_header, data_payload, total_pad_length_);
94 return DecodePayloadAndValidateSeveralWays(frame_builder_.buffer(),
95 expected);
96 }
97 };
98
99 INSTANTIATE_TEST_SUITE_P(VariousPadLengths, DataPayloadDecoderTest,
100 ::testing::Values(0, 1, 2, 3, 4, 254, 255, 256));
101
TEST_P(DataPayloadDecoderTest,VariousDataPayloadSizes)102 TEST_P(DataPayloadDecoderTest, VariousDataPayloadSizes) {
103 for (size_t data_size : {0, 1, 2, 3, 255, 256, 1024}) {
104 EXPECT_TRUE(CreateAndDecodeDataOfSize(data_size));
105 }
106 }
107
108 } // namespace
109 } // namespace test
110 } // namespace http2
111