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
11 #include "net/dcsctp/packet/bounded_byte_writer.h"
12
13 #include <vector>
14
15 #include "api/array_view.h"
16 #include "rtc_base/buffer.h"
17 #include "rtc_base/checks.h"
18 #include "rtc_base/gunit.h"
19 #include "test/gmock.h"
20
21 namespace dcsctp {
22 namespace {
23 using ::testing::ElementsAre;
24
TEST(BoundedByteWriterTest,CanWriteData)25 TEST(BoundedByteWriterTest, CanWriteData) {
26 std::vector<uint8_t> data(14);
27
28 BoundedByteWriter<8> writer(data);
29 writer.Store32<0>(0x01020304);
30 writer.Store16<4>(0x0506);
31 writer.Store8<6>(0x07);
32 writer.Store8<7>(0x08);
33
34 uint8_t variable_data[] = {0, 0, 0, 0, 3, 0};
35 writer.CopyToVariableData(variable_data);
36
37 BoundedByteWriter<6> sub = writer.sub_writer<6>(0);
38 sub.Store32<0>(0x09000000);
39 sub.Store16<2>(0x0102);
40
41 BoundedByteWriter<2> sub2 = writer.sub_writer<2>(4);
42 sub2.Store8<1>(0x04);
43
44 EXPECT_THAT(data, ElementsAre(1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4));
45 }
46
47 } // namespace
48 } // namespace dcsctp
49