| /* |
| * Copyright (c) 2018 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #include "modules/rtp_rtcp/source/fec_private_tables_bursty.h" |
| #include "modules/rtp_rtcp/source/fec_private_tables_random.h" |
| #include "modules/rtp_rtcp/source/forward_error_correction_internal.h" |
| |
| #include "test/gtest.h" |
| |
| namespace webrtc { |
| namespace fec_private_tables { |
| |
| using internal::LookUpInFecTable; |
| |
| TEST(FecTable, TestBurstyLookup) { |
| rtc::ArrayView<const uint8_t> result; |
| result = LookUpInFecTable(&kPacketMaskBurstyTbl[0], 0, 0); |
| // Should match kMaskBursty1_1. |
| EXPECT_EQ(2u, result.size()); |
| EXPECT_EQ(0x80u, result[0]); |
| |
| result = LookUpInFecTable(&kPacketMaskBurstyTbl[0], 3, 0); |
| // Should match kMaskBursty4_1. |
| EXPECT_EQ(2u, result.size()); |
| EXPECT_EQ(0xf0u, result[0]); |
| EXPECT_EQ(0x00u, result[1]); |
| |
| result = LookUpInFecTable(&kPacketMaskBurstyTbl[0], 1, 1); |
| // Should match kMaskBursty2_2. |
| EXPECT_EQ(4u, result.size()); |
| EXPECT_EQ(0x80u, result[0]); |
| EXPECT_EQ(0xc0u, result[2]); |
| |
| result = LookUpInFecTable(&kPacketMaskBurstyTbl[0], 11, 11); |
| // Should match kMaskBursty12_12. |
| EXPECT_EQ(24u, result.size()); |
| EXPECT_EQ(0x80u, result[0]); |
| EXPECT_EQ(0x30u, result[23]); |
| } |
| |
| TEST(FecTable, TestRandomLookup) { |
| rtc::ArrayView<const uint8_t> result; |
| result = LookUpInFecTable(&kPacketMaskRandomTbl[0], 0, 0); |
| EXPECT_EQ(2u, result.size()); |
| EXPECT_EQ(0x80u, result[0]); |
| EXPECT_EQ(0x00u, result[1]); |
| |
| result = LookUpInFecTable(&kPacketMaskRandomTbl[0], 4, 1); |
| // kMaskRandom5_2. |
| EXPECT_EQ(4u, result.size()); |
| EXPECT_EQ(0xa8u, result[0]); |
| EXPECT_EQ(0xd0u, result[2]); |
| |
| result = LookUpInFecTable(&kPacketMaskRandomTbl[0], 16, 0); |
| // kMaskRandom17_1. |
| EXPECT_EQ(6u, result.size()); |
| EXPECT_EQ(0xffu, result[0]); |
| EXPECT_EQ(0x00u, result[5]); |
| |
| result = LookUpInFecTable(&kPacketMaskRandomTbl[0], 47, 47); |
| // kMaskRandom48_48. |
| EXPECT_EQ(6u * 48, result.size()); |
| EXPECT_EQ(0x10u, result[0]); |
| EXPECT_EQ(0x02u, result[6]); |
| } |
| |
| } // namespace fec_private_tables |
| } // namespace webrtc |