third_party/libwebrtc/modules/module_common_types_unittest.cc

   1 /*
   2  *  Copyright (c) 2013 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 "modules/include/module_common_types.h"
  12
  13 #include "modules/include/module_common_types_public.h"
  14 #include "test/gtest.h"
  15
  16 namespace webrtc {
  17
  18 TEST(IsNewerSequenceNumber, Equal) {
  19   EXPECT_FALSE(IsNewerSequenceNumber(0x0001, 0x0001));
  20 }
  21
  22 TEST(IsNewerSequenceNumber, NoWrap) {
  23   EXPECT_TRUE(IsNewerSequenceNumber(0xFFFF, 0xFFFE));
  24   EXPECT_TRUE(IsNewerSequenceNumber(0x0001, 0x0000));
  25   EXPECT_TRUE(IsNewerSequenceNumber(0x0100, 0x00FF));
  26 }
  27
  28 TEST(IsNewerSequenceNumber, ForwardWrap) {
  29   EXPECT_TRUE(IsNewerSequenceNumber(0x0000, 0xFFFF));
  30   EXPECT_TRUE(IsNewerSequenceNumber(0x0000, 0xFF00));
  31   EXPECT_TRUE(IsNewerSequenceNumber(0x00FF, 0xFFFF));
  32   EXPECT_TRUE(IsNewerSequenceNumber(0x00FF, 0xFF00));
  33 }
  34
  35 TEST(IsNewerSequenceNumber, BackwardWrap) {
  36   EXPECT_FALSE(IsNewerSequenceNumber(0xFFFF, 0x0000));
  37   EXPECT_FALSE(IsNewerSequenceNumber(0xFF00, 0x0000));
  38   EXPECT_FALSE(IsNewerSequenceNumber(0xFFFF, 0x00FF));
  39   EXPECT_FALSE(IsNewerSequenceNumber(0xFF00, 0x00FF));
  40 }
  41
  42 TEST(IsNewerSequenceNumber, HalfWayApart) {
  43   EXPECT_TRUE(IsNewerSequenceNumber(0x8000, 0x0000));
  44   EXPECT_FALSE(IsNewerSequenceNumber(0x0000, 0x8000));
  45 }
  46
  47 TEST(IsNewerTimestamp, Equal) {
  48   EXPECT_FALSE(IsNewerTimestamp(0x00000001, 0x000000001));
  49 }
  50
  51 TEST(IsNewerTimestamp, NoWrap) {
  52   EXPECT_TRUE(IsNewerTimestamp(0xFFFFFFFF, 0xFFFFFFFE));
  53   EXPECT_TRUE(IsNewerTimestamp(0x00000001, 0x00000000));
  54   EXPECT_TRUE(IsNewerTimestamp(0x00010000, 0x0000FFFF));
  55 }
  56
  57 TEST(IsNewerTimestamp, ForwardWrap) {
  58   EXPECT_TRUE(IsNewerTimestamp(0x00000000, 0xFFFFFFFF));
  59   EXPECT_TRUE(IsNewerTimestamp(0x00000000, 0xFFFF0000));
  60   EXPECT_TRUE(IsNewerTimestamp(0x0000FFFF, 0xFFFFFFFF));
  61   EXPECT_TRUE(IsNewerTimestamp(0x0000FFFF, 0xFFFF0000));
  62 }
  63
  64 TEST(IsNewerTimestamp, BackwardWrap) {
  65   EXPECT_FALSE(IsNewerTimestamp(0xFFFFFFFF, 0x00000000));
  66   EXPECT_FALSE(IsNewerTimestamp(0xFFFF0000, 0x00000000));
  67   EXPECT_FALSE(IsNewerTimestamp(0xFFFFFFFF, 0x0000FFFF));
  68   EXPECT_FALSE(IsNewerTimestamp(0xFFFF0000, 0x0000FFFF));
  69 }
  70
  71 TEST(IsNewerTimestamp, HalfWayApart) {
  72   EXPECT_TRUE(IsNewerTimestamp(0x80000000, 0x00000000));
  73   EXPECT_FALSE(IsNewerTimestamp(0x00000000, 0x80000000));
  74 }
  75
  76 TEST(LatestSequenceNumber, NoWrap) {
  77   EXPECT_EQ(0xFFFFu, LatestSequenceNumber(0xFFFF, 0xFFFE));
  78   EXPECT_EQ(0x0001u, LatestSequenceNumber(0x0001, 0x0000));
  79   EXPECT_EQ(0x0100u, LatestSequenceNumber(0x0100, 0x00FF));
  80
  81   EXPECT_EQ(0xFFFFu, LatestSequenceNumber(0xFFFE, 0xFFFF));
  82   EXPECT_EQ(0x0001u, LatestSequenceNumber(0x0000, 0x0001));
  83   EXPECT_EQ(0x0100u, LatestSequenceNumber(0x00FF, 0x0100));
  84 }
  85
  86 TEST(LatestSequenceNumber, Wrap) {
  87   EXPECT_EQ(0x0000u, LatestSequenceNumber(0x0000, 0xFFFF));
  88   EXPECT_EQ(0x0000u, LatestSequenceNumber(0x0000, 0xFF00));
  89   EXPECT_EQ(0x00FFu, LatestSequenceNumber(0x00FF, 0xFFFF));
  90   EXPECT_EQ(0x00FFu, LatestSequenceNumber(0x00FF, 0xFF00));
  91
  92   EXPECT_EQ(0x0000u, LatestSequenceNumber(0xFFFF, 0x0000));
  93   EXPECT_EQ(0x0000u, LatestSequenceNumber(0xFF00, 0x0000));
  94   EXPECT_EQ(0x00FFu, LatestSequenceNumber(0xFFFF, 0x00FF));
  95   EXPECT_EQ(0x00FFu, LatestSequenceNumber(0xFF00, 0x00FF));
  96 }
  97
  98 TEST(LatestTimestamp, NoWrap) {
  99   EXPECT_EQ(0xFFFFFFFFu, LatestTimestamp(0xFFFFFFFF, 0xFFFFFFFE));
 100   EXPECT_EQ(0x00000001u, LatestTimestamp(0x00000001, 0x00000000));
 101   EXPECT_EQ(0x00010000u, LatestTimestamp(0x00010000, 0x0000FFFF));
 102 }
 103
 104 TEST(LatestTimestamp, Wrap) {
 105   EXPECT_EQ(0x00000000u, LatestTimestamp(0x00000000, 0xFFFFFFFF));
 106   EXPECT_EQ(0x00000000u, LatestTimestamp(0x00000000, 0xFFFF0000));
 107   EXPECT_EQ(0x0000FFFFu, LatestTimestamp(0x0000FFFF, 0xFFFFFFFF));
 108   EXPECT_EQ(0x0000FFFFu, LatestTimestamp(0x0000FFFF, 0xFFFF0000));
 109
 110   EXPECT_EQ(0x00000000u, LatestTimestamp(0xFFFFFFFF, 0x00000000));
 111   EXPECT_EQ(0x00000000u, LatestTimestamp(0xFFFF0000, 0x00000000));
 112   EXPECT_EQ(0x0000FFFFu, LatestTimestamp(0xFFFFFFFF, 0x0000FFFF));
 113   EXPECT_EQ(0x0000FFFFu, LatestTimestamp(0xFFFF0000, 0x0000FFFF));
 114 }
 115
 116 }  // namespace webrtc