1 /*
2 * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10 #include "net/dcsctp/packet/error_cause/missing_mandatory_parameter_cause.h"
11
12 #include <stdint.h>
13
14 #include <type_traits>
15 #include <vector>
16
17 #include "api/array_view.h"
18 #include "net/dcsctp/testing/testing_macros.h"
19 #include "rtc_base/gunit.h"
20 #include "test/gmock.h"
21
22 namespace dcsctp {
23 namespace {
24 using ::testing::ElementsAre;
25 using ::testing::IsEmpty;
26
TEST(MissingMandatoryParameterCauseTest,SerializeAndDeserialize)27 TEST(MissingMandatoryParameterCauseTest, SerializeAndDeserialize) {
28 uint16_t parameter_types[] = {1, 2, 3};
29 MissingMandatoryParameterCause parameter(parameter_types);
30
31 std::vector<uint8_t> serialized;
32 parameter.SerializeTo(serialized);
33
34 ASSERT_HAS_VALUE_AND_ASSIGN(
35 MissingMandatoryParameterCause deserialized,
36 MissingMandatoryParameterCause::Parse(serialized));
37
38 EXPECT_THAT(deserialized.missing_parameter_types(), ElementsAre(1, 2, 3));
39 }
40
TEST(MissingMandatoryParameterCauseTest,HandlesDeserializeZeroParameters)41 TEST(MissingMandatoryParameterCauseTest, HandlesDeserializeZeroParameters) {
42 uint8_t serialized[] = {0, 2, 0, 8, 0, 0, 0, 0};
43
44 ASSERT_HAS_VALUE_AND_ASSIGN(
45 MissingMandatoryParameterCause deserialized,
46 MissingMandatoryParameterCause::Parse(serialized));
47
48 EXPECT_THAT(deserialized.missing_parameter_types(), IsEmpty());
49 }
50
TEST(MissingMandatoryParameterCauseTest,HandlesOverflowParameterCount)51 TEST(MissingMandatoryParameterCauseTest, HandlesOverflowParameterCount) {
52 // 0x80000004 * 2 = 2**32 + 8 -> if overflow, would validate correctly.
53 uint8_t serialized[] = {0, 2, 0, 8, 0x80, 0x00, 0x00, 0x04};
54
55 EXPECT_FALSE(MissingMandatoryParameterCause::Parse(serialized).has_value());
56 }
57
58 } // namespace
59 } // namespace dcsctp
60