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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/unknown_payload_decoder.h" | |
6 | |
7 #include <stddef.h> | |
8 | |
9 #include <string> | |
10 #include <type_traits> | |
11 | |
12 #include "base/logging.h" | |
13 #include "net/http2/decoder/frame_parts.h" | |
14 #include "net/http2/decoder/frame_parts_collector.h" | |
15 #include "net/http2/decoder/http2_frame_decoder_listener.h" | |
16 #include "net/http2/decoder/payload_decoders/payload_decoder_base_test_util.h" | |
17 #include "net/http2/http2_constants.h" | |
18 #include "net/http2/http2_structures.h" | |
19 #include "net/http2/tools/http2_random.h" | |
20 #include "net/http2/tools/random_decoder_test.h" | |
21 #include "testing/gtest/include/gtest/gtest.h" | |
22 | |
23 using std::string; | |
24 | |
25 namespace net { | |
26 namespace test { | |
27 namespace { | |
28 Http2FrameType g_unknown_frame_type; | |
29 } // namespace | |
30 | |
31 // Provides friend access to an instance of the payload decoder, and also | |
32 // provides info to aid in testing. | |
33 class UnknownPayloadDecoderPeer { | |
34 public: | |
35 static Http2FrameType FrameType() { return g_unknown_frame_type; } | |
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() { return 0; } | |
40 | |
41 static void Randomize(UnknownPayloadDecoder* p, RandomBase* rng) { | |
42 // UnknownPayloadDecoder has no fields, so there is nothing to randomize. | |
43 static_assert(std::is_empty<UnknownPayloadDecoder>::value, | |
44 "Need to randomize fields of UnknownPayloadDecoder"); | |
45 } | |
46 }; | |
47 | |
48 namespace { | |
49 | |
50 struct Listener : public FramePartsCollector { | |
51 void OnUnknownStart(const Http2FrameHeader& header) override { | |
52 VLOG(1) << "OnUnknownStart: " << header; | |
53 StartFrame(header)->OnUnknownStart(header); | |
54 } | |
55 | |
56 void OnUnknownPayload(const char* data, size_t len) override { | |
57 VLOG(1) << "OnUnknownPayload: len=" << len; | |
58 CurrentFrame()->OnUnknownPayload(data, len); | |
59 } | |
60 | |
61 void OnUnknownEnd() override { | |
62 VLOG(1) << "OnUnknownEnd"; | |
63 EndFrame()->OnUnknownEnd(); | |
64 } | |
65 }; | |
66 | |
67 constexpr bool SupportedFrameType = false; | |
68 | |
69 class UnknownPayloadDecoderTest | |
70 : public AbstractPayloadDecoderTest<UnknownPayloadDecoder, | |
71 UnknownPayloadDecoderPeer, | |
72 Listener, | |
73 SupportedFrameType>, | |
74 public ::testing::WithParamInterface<uint32_t> { | |
75 protected: | |
76 UnknownPayloadDecoderTest() : length_(GetParam()) { | |
77 VLOG(1) << "################ length_=" << length_ << " ################"; | |
78 | |
79 // Each test case will choose a random frame type that isn't supported. | |
80 do { | |
81 g_unknown_frame_type = static_cast<Http2FrameType>(Random().Rand8()); | |
82 } while (IsSupportedHttp2FrameType(g_unknown_frame_type)); | |
83 } | |
84 | |
85 const uint32_t length_; | |
86 }; | |
87 | |
88 INSTANTIATE_TEST_CASE_P(VariousLengths, | |
89 UnknownPayloadDecoderTest, | |
90 ::testing::Values(0, 1, 2, 3, 255, 256)); | |
91 | |
92 TEST_P(UnknownPayloadDecoderTest, ValidLength) { | |
93 string unknown_payload = Random().RandString(length_); | |
94 Http2FrameHeader frame_header(length_, g_unknown_frame_type, Random().Rand8(), | |
95 RandStreamId()); | |
96 set_frame_header(frame_header); | |
97 FrameParts expected(frame_header, unknown_payload); | |
98 EXPECT_TRUE(DecodePayloadAndValidateSeveralWays(unknown_payload, expected)); | |
99 // TODO(jamessynge): Check here (and in other such tests) that the fast | |
100 // and slow decode counts are both non-zero. Perhaps also add some kind of | |
101 // test for the listener having been called. That could simply be a test | |
102 // that there is a single collected FrameParts instance, and that it matches | |
103 // expected. | |
104 } | |
105 | |
106 } // namespace | |
107 } // namespace test | |
108 } // namespace net | |
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