1/*
2 *  Copyright (c) 2011 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#ifndef WEBRTC_TEST_TESTSUPPORT_UNITTEST_UTILS_H_
12#define WEBRTC_TEST_TESTSUPPORT_UNITTEST_UTILS_H_
13
14namespace webrtc {
15namespace test {
16
17const int kPacketSizeInBytes = 1500;
18const int kPacketDataLength = kPacketSizeInBytes * 2 + 1;
19const int kPacketDataNumberOfPackets = 3;
20
21// A base test fixture for packet related tests. Contains
22// two full prepared packets with 1s, 2s in their data and a third packet with
23// a single 3 in it (size=1).
24// A packet data structure is also available, that contains these three packets
25// in order.
26class PacketRelatedTest: public testing::Test {
27 protected:
28  // Tree packet byte arrays with data used for verification:
29  WebRtc_UWord8 packet1_[kPacketSizeInBytes];
30  WebRtc_UWord8 packet2_[kPacketSizeInBytes];
31  WebRtc_UWord8 packet3_[1];
32  // Construct a data structure containing these packets
33  WebRtc_UWord8 packet_data_[kPacketDataLength];
34  WebRtc_UWord8* packet_data_pointer_;
35
36  PacketRelatedTest() {
37    packet_data_pointer_ = packet_data_;
38
39    memset(packet1_, 1, kPacketSizeInBytes);
40    memset(packet2_, 2, kPacketSizeInBytes);
41    memset(packet3_, 3, 1);
42    // Fill the packet_data:
43    memcpy(packet_data_pointer_, packet1_, kPacketSizeInBytes);
44    memcpy(packet_data_pointer_ + kPacketSizeInBytes, packet2_,
45           kPacketSizeInBytes);
46    memcpy(packet_data_pointer_ + kPacketSizeInBytes * 2, packet3_, 1);
47  }
48  virtual ~PacketRelatedTest() {}
49  void SetUp() {
50    // Initialize the random generator with 0 to get deterministic behavior
51    srand(0);
52  }
53  void TearDown() {}
54};
55
56}  // namespace test
57}  // namespace webrtc
58
59#endif  // WEBRTC_TEST_TESTSUPPORT_UNITTEST_UTILS_H_
60