diff options
Diffstat (limited to 'modules/audio_coding/neteq/packet_buffer_unittest.cc')
| -rw-r--r-- | modules/audio_coding/neteq/packet_buffer_unittest.cc | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/modules/audio_coding/neteq/packet_buffer_unittest.cc b/modules/audio_coding/neteq/packet_buffer_unittest.cc index 478328cb..dc8b68c3 100644 --- a/modules/audio_coding/neteq/packet_buffer_unittest.cc +++ b/modules/audio_coding/neteq/packet_buffer_unittest.cc @@ -391,7 +391,7 @@ TEST(PacketBuffer, Failures) { EXPECT_EQ(NULL, buffer->NextRtpHeader()); EXPECT_EQ(NULL, buffer->GetNextPacket(NULL)); EXPECT_EQ(PacketBuffer::kBufferEmpty, buffer->DiscardNextPacket()); - EXPECT_EQ(0, buffer->DiscardOldPackets(0)); // 0 packets discarded. + EXPECT_EQ(0, buffer->DiscardAllOldPackets(0)); // 0 packets discarded. // Insert one packet to make the buffer non-empty. packet = gen.NextPacket(payload_len); @@ -513,4 +513,61 @@ TEST(PacketBuffer, DeleteAllPackets) { EXPECT_FALSE(PacketBuffer::DeleteFirstPacket(&list)); } +namespace { +void TestIsObsoleteTimestamp(uint32_t limit_timestamp) { + // Check with zero horizon, which implies that the horizon is at 2^31, i.e., + // half the timestamp range. + static const uint32_t kZeroHorizon = 0; + static const uint32_t k2Pow31Minus1 = 0x7FFFFFFF; + // Timestamp on the limit is not old. + EXPECT_FALSE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp, limit_timestamp, kZeroHorizon)); + // 1 sample behind is old. + EXPECT_TRUE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp - 1, limit_timestamp, kZeroHorizon)); + // 2^31 - 1 samples behind is old. + EXPECT_TRUE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp - k2Pow31Minus1, limit_timestamp, kZeroHorizon)); + // 1 sample ahead is not old. + EXPECT_FALSE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp + 1, limit_timestamp, kZeroHorizon)); + // 2^31 samples ahead is not old. + EXPECT_FALSE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp + (1 << 31), limit_timestamp, kZeroHorizon)); + + // Fixed horizon at 10 samples. + static const uint32_t kHorizon = 10; + // Timestamp on the limit is not old. + EXPECT_FALSE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp, limit_timestamp, kHorizon)); + // 1 sample behind is old. + EXPECT_TRUE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp - 1, limit_timestamp, kHorizon)); + // 9 samples behind is old. + EXPECT_TRUE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp - 9, limit_timestamp, kHorizon)); + // 10 samples behind is not old. + EXPECT_FALSE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp - 10, limit_timestamp, kHorizon)); + // 2^31 - 1 samples behind is not old. + EXPECT_FALSE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp - k2Pow31Minus1, limit_timestamp, kHorizon)); + // 1 sample ahead is not old. + EXPECT_FALSE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp + 1, limit_timestamp, kHorizon)); + // 2^31 samples ahead is not old. + EXPECT_FALSE(PacketBuffer::IsObsoleteTimestamp( + limit_timestamp + (1 << 31), limit_timestamp, kHorizon)); +} +} // namespace + +// Test the IsObsoleteTimestamp method with different limit timestamps. +TEST(PacketBuffer, IsObsoleteTimestamp) { + TestIsObsoleteTimestamp(0); + TestIsObsoleteTimestamp(1); + TestIsObsoleteTimestamp(0xFFFFFFFF); // -1 in uint32_t. + TestIsObsoleteTimestamp(0x80000000); // 2^31. + TestIsObsoleteTimestamp(0x80000001); // 2^31 + 1. + TestIsObsoleteTimestamp(0x7FFFFFFF); // 2^31 - 1. +} } // namespace webrtc |