| /* |
| * Copyright (c) 2015 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 "webrtc/modules/rtp_rtcp/source/rtcp_packet/bye.h" |
| |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "webrtc/modules/rtp_rtcp/source/rtcp_utility.h" |
| |
| using ::testing::ElementsAre; |
| |
| using webrtc::rtcp::Bye; |
| using webrtc::rtcp::RawPacket; |
| using webrtc::RTCPUtility::RtcpCommonHeader; |
| using webrtc::RTCPUtility::RtcpParseCommonHeader; |
| |
| namespace webrtc { |
| namespace { |
| |
| const uint32_t kSenderSsrc = 0x12345678; |
| const uint32_t kCsrc1 = 0x22232425; |
| const uint32_t kCsrc2 = 0x33343536; |
| |
| class RtcpPacketByeTest : public ::testing::Test { |
| protected: |
| void BuildPacket() { packet = bye.Build().Pass(); } |
| void ParsePacket() { |
| RtcpCommonHeader header; |
| EXPECT_TRUE( |
| RtcpParseCommonHeader(packet->Buffer(), packet->Length(), &header)); |
| // Check that there is exactly one RTCP packet in the buffer. |
| EXPECT_EQ(header.BlockSize(), packet->Length()); |
| EXPECT_TRUE(parsed_bye.Parse( |
| header, packet->Buffer() + RtcpCommonHeader::kHeaderSizeBytes)); |
| } |
| |
| Bye bye; |
| rtc::scoped_ptr<RawPacket> packet; |
| Bye parsed_bye; |
| }; |
| |
| TEST_F(RtcpPacketByeTest, Bye) { |
| bye.From(kSenderSsrc); |
| |
| BuildPacket(); |
| ParsePacket(); |
| |
| EXPECT_EQ(kSenderSsrc, parsed_bye.sender_ssrc()); |
| EXPECT_TRUE(parsed_bye.csrcs().empty()); |
| EXPECT_TRUE(parsed_bye.reason().empty()); |
| } |
| |
| TEST_F(RtcpPacketByeTest, WithCsrcs) { |
| bye.From(kSenderSsrc); |
| EXPECT_TRUE(bye.WithCsrc(kCsrc1)); |
| EXPECT_TRUE(bye.WithCsrc(kCsrc2)); |
| EXPECT_TRUE(bye.reason().empty()); |
| |
| BuildPacket(); |
| EXPECT_EQ(16u, packet->Length()); // Header: 4, 3xSRCs: 12, Reason: 0. |
| |
| ParsePacket(); |
| |
| EXPECT_EQ(kSenderSsrc, parsed_bye.sender_ssrc()); |
| EXPECT_THAT(parsed_bye.csrcs(), ElementsAre(kCsrc1, kCsrc2)); |
| EXPECT_TRUE(parsed_bye.reason().empty()); |
| } |
| |
| TEST_F(RtcpPacketByeTest, WithCsrcsAndReason) { |
| const std::string kReason = "Some Reason"; |
| |
| bye.From(kSenderSsrc); |
| EXPECT_TRUE(bye.WithCsrc(kCsrc1)); |
| EXPECT_TRUE(bye.WithCsrc(kCsrc2)); |
| bye.WithReason(kReason); |
| |
| BuildPacket(); |
| EXPECT_EQ(28u, packet->Length()); // Header: 4, 3xSRCs: 12, Reason: 12. |
| |
| ParsePacket(); |
| |
| EXPECT_EQ(kSenderSsrc, parsed_bye.sender_ssrc()); |
| EXPECT_THAT(parsed_bye.csrcs(), ElementsAre(kCsrc1, kCsrc2)); |
| EXPECT_EQ(kReason, parsed_bye.reason()); |
| } |
| |
| TEST_F(RtcpPacketByeTest, WithTooManyCsrcs) { |
| bye.From(kSenderSsrc); |
| const int kMaxCsrcs = (1 << 5) - 2; // 5 bit len, first item is sender SSRC. |
| for (int i = 0; i < kMaxCsrcs; ++i) { |
| EXPECT_TRUE(bye.WithCsrc(i)); |
| } |
| EXPECT_FALSE(bye.WithCsrc(kMaxCsrcs)); |
| } |
| |
| TEST_F(RtcpPacketByeTest, WithAReason) { |
| const std::string kReason = "Some Random Reason"; |
| |
| bye.From(kSenderSsrc); |
| bye.WithReason(kReason); |
| |
| BuildPacket(); |
| ParsePacket(); |
| |
| EXPECT_EQ(kSenderSsrc, parsed_bye.sender_ssrc()); |
| EXPECT_TRUE(parsed_bye.csrcs().empty()); |
| EXPECT_EQ(kReason, parsed_bye.reason()); |
| } |
| |
| TEST_F(RtcpPacketByeTest, WithReasons) { |
| // Test that packet creation/parsing behave with reasons of different length |
| // both when it require padding and when it does not. |
| for (size_t reminder = 0; reminder < 4; ++reminder) { |
| const std::string kReason(4 + reminder, 'a' + reminder); |
| bye.From(kSenderSsrc); |
| bye.WithReason(kReason); |
| |
| BuildPacket(); |
| ParsePacket(); |
| |
| EXPECT_EQ(kReason, parsed_bye.reason()); |
| } |
| } |
| |
| TEST_F(RtcpPacketByeTest, ParseEmptyPacket) { |
| RtcpCommonHeader header; |
| header.packet_type = Bye::kPacketType; |
| header.count_or_format = 0; |
| header.payload_size_bytes = 0; |
| uint8_t empty_payload[1]; |
| |
| EXPECT_TRUE(parsed_bye.Parse(header, empty_payload + 1)); |
| EXPECT_EQ(0u, parsed_bye.sender_ssrc()); |
| EXPECT_TRUE(parsed_bye.csrcs().empty()); |
| EXPECT_TRUE(parsed_bye.reason().empty()); |
| } |
| |
| TEST_F(RtcpPacketByeTest, ParseFailOnInvalidSrcCount) { |
| bye.From(kSenderSsrc); |
| |
| BuildPacket(); |
| |
| RtcpCommonHeader header; |
| RtcpParseCommonHeader(packet->Buffer(), packet->Length(), &header); |
| header.count_or_format = 2; // Lie there are 2 ssrcs, not one. |
| |
| EXPECT_FALSE(parsed_bye.Parse( |
| header, packet->Buffer() + RtcpCommonHeader::kHeaderSizeBytes)); |
| } |
| |
| TEST_F(RtcpPacketByeTest, ParseFailOnInvalidReasonLength) { |
| bye.From(kSenderSsrc); |
| bye.WithReason("18 characters long"); |
| |
| BuildPacket(); |
| |
| RtcpCommonHeader header; |
| RtcpParseCommonHeader(packet->Buffer(), packet->Length(), &header); |
| header.payload_size_bytes -= 4; // Payload is usually 32bit aligned. |
| |
| EXPECT_FALSE(parsed_bye.Parse( |
| header, packet->Buffer() + RtcpCommonHeader::kHeaderSizeBytes)); |
| } |
| |
| } // namespace |
| } // namespace webrtc |