diff options
Diffstat (limited to 'webrtc/modules/rtp_rtcp/source/rtcp_packet/bye_unittest.cc')
-rw-r--r-- | webrtc/modules/rtp_rtcp/source/rtcp_packet/bye_unittest.cc | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/bye_unittest.cc b/webrtc/modules/rtp_rtcp/source/rtcp_packet/bye_unittest.cc new file mode 100644 index 0000000000..d2ae8ed782 --- /dev/null +++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet/bye_unittest.cc @@ -0,0 +1,173 @@ +/* + * 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(); } + 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 |