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src/remoting/protocol/sdp_message_unittest.cc
Avi Drissman d6cdf9b877 Update copyright headers in rlz/, remoting/ 
The methodology used to generate this CL is documented in
https://crbug.com/1098010#c95.

No-Try: true
No-Presubmit: true
Bug: 1098010
Change-Id: Ia865422057bdda8d25f347a651636f6f7f4d4278
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3900694
Owners-Override: Avi Drissman <avi@chromium.org>
Commit-Queue: Avi Drissman <avi@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Auto-Submit: Avi Drissman <avi@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1047637}
2022-09-15 19:52:53 +00:00

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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/protocol/sdp_message.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting::protocol {
// Verify that SDP is normalized by removing empty lines and normalizing
// line-endings to \r\n.
TEST(SdpMessages, Normalize) {
SdpMessage sdp_message("a=foo\n\r\nb=bar");
EXPECT_EQ("a=foo\r\nb=bar\r\n", sdp_message.ToString());
}
// Verify that the normalized form of SDP for signature calculation has
// line-endings of \n, for compatibility with existing clients.
TEST(SdpMessages, NormalizedForSignature) {
SdpMessage sdp_message("a=foo\nb=bar\r\n");
EXPECT_EQ("a=foo\nb=bar\n", sdp_message.NormalizedForSignature());
}
TEST(SdpMessages, AddCodecParameter) {
std::string kSourceSdp =
"a=group:BUNDLE video\n"
"m=video 9 UDP/TLS/RTP/SAVPF 96\n"
"a=rtpmap:96 VP8/90000\n"
"a=rtcp-fb:96 transport-cc\n";
SdpMessage sdp_message(kSourceSdp);
EXPECT_TRUE(sdp_message.AddCodecParameter("VP8", "test_param=1"));
EXPECT_EQ(
"a=group:BUNDLE video\r\n"
"m=video 9 UDP/TLS/RTP/SAVPF 96\r\n"
"a=rtpmap:96 VP8/90000\r\n"
"a=fmtp:96 test_param=1\r\n"
"a=rtcp-fb:96 transport-cc\r\n",
sdp_message.ToString());
}
TEST(SdpMessages, AddCodecParameterMissingCodec) {
std::string kSourceSdp =
"a=group:BUNDLE audio video\r\n"
"m=audio 9 UDP/TLS/RTP/SAVPF 111\r\n"
"a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\n"
"a=rtpmap:111 opus/48000/2\r\n"
"a=rtcp-fb:111 transport-cc\r\n"
"m=video 9 UDP/TLS/RTP/SAVPF 96\r\n"
"a=rtpmap:96 VP9/90000\r\n"
"a=rtcp-fb:96 transport-cc\r\n"
"m=application 9 DTLS/SCTP 5000\r\n";
SdpMessage sdp_message(kSourceSdp);
EXPECT_FALSE(sdp_message.AddCodecParameter("VP8", "test_param=1"));
EXPECT_EQ(kSourceSdp, sdp_message.ToString());
}
TEST(SdpMessages, AddCodecParameter_MultipleTypes) {
const std::string kSourceSdp =
"a=group:BUNDLE video\n"
"m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99\n"
"a=rtpmap:96 VP8/90000\n"
"a=rtcp-fb:96 transport-cc\n"
"a=rtpmap:97 VP9/90000\n"
"a=rtcp-fb:97 transport-cc\n"
"a=rtpmap:98 VP8/90000\n"
"a=rtcp-fb:98 transport-cc\n"
"a=rtpmap:99 VP8/90000\n"
"a=rtcp-fb:99 transport-cc\n";
SdpMessage sdp_message(kSourceSdp);
EXPECT_TRUE(sdp_message.AddCodecParameter("VP8", "test_param=1"));
EXPECT_EQ(
"a=group:BUNDLE video\r\n"
"m=video 9 UDP/TLS/RTP/SAVPF 96 97 98 99\r\n"
"a=rtpmap:96 VP8/90000\r\n"
"a=fmtp:96 test_param=1\r\n"
"a=rtcp-fb:96 transport-cc\r\n"
"a=rtpmap:97 VP9/90000\r\n"
"a=rtcp-fb:97 transport-cc\r\n"
"a=rtpmap:98 VP8/90000\r\n"
"a=fmtp:98 test_param=1\r\n"
"a=rtcp-fb:98 transport-cc\r\n"
"a=rtpmap:99 VP8/90000\r\n"
"a=fmtp:99 test_param=1\r\n"
"a=rtcp-fb:99 transport-cc\r\n",
sdp_message.ToString());
}
TEST(SdpMessages, PreferVideoCodec_SdpIsUnchanged) {
static const std::string kSourceSdp =
"m=video 98 UDP/TLS/RTP/SAVPF 96 97 98 99 100\r\n"
"a=rtpmap:96 VP8/90000\r\n"
"a=fmtp:96\r\n"
"a=rtpmap:97 VP8.1/90000\r\n"
"a=fmtp:97\r\n"
"a=rtpmap:98 VP9/90000\r\n"
"a=fmtp:98\r\n"
"a=rtpmap:99 VP9.1/90000\r\n"
"a=fmtp:99\r\n"
"a=rtpmap:100 H264/90000\r\n"
"a=fmtp:100\r\n";
SdpMessage sdp_message(kSourceSdp);
EXPECT_TRUE(sdp_message.PreferVideoCodec("VP8"));
EXPECT_EQ(kSourceSdp, sdp_message.ToString());
}
TEST(SdpMessages, PreferVideoCodec_MoveToTheStartOfTheList) {
static const std::string kSourceSdp =
"m=video 98 UDP/TLS/RTP/SAVPF 96 97 98 99 100\n"
"a=rtpmap:96 VP8/90000\n"
"a=fmtp:96\n"
"a=rtpmap:97 VP8.1/90000\n"
"a=fmtp:97\n"
"a=rtpmap:98 VP9/90000\n"
"a=fmtp:98\n"
"a=rtpmap:99 VP9.1/90000\n"
"a=fmtp:99\n"
"a=rtpmap:100 H264/90000\n"
"a=fmtp:100\n";
SdpMessage sdp_message(kSourceSdp);
EXPECT_TRUE(sdp_message.PreferVideoCodec("VP8.1"));
EXPECT_EQ(
"m=video 98 UDP/TLS/RTP/SAVPF 97 96 98 99 100\r\n"
"a=rtpmap:96 VP8/90000\r\n"
"a=fmtp:96\r\n"
"a=rtpmap:97 VP8.1/90000\r\n"
"a=fmtp:97\r\n"
"a=rtpmap:98 VP9/90000\r\n"
"a=fmtp:98\r\n"
"a=rtpmap:99 VP9.1/90000\r\n"
"a=fmtp:99\r\n"
"a=rtpmap:100 H264/90000\r\n"
"a=fmtp:100\r\n",
sdp_message.ToString());
sdp_message = SdpMessage(kSourceSdp);
EXPECT_TRUE(sdp_message.PreferVideoCodec("VP9"));
EXPECT_EQ(
"m=video 98 UDP/TLS/RTP/SAVPF 98 96 97 99 100\r\n"
"a=rtpmap:96 VP8/90000\r\n"
"a=fmtp:96\r\n"
"a=rtpmap:97 VP8.1/90000\r\n"
"a=fmtp:97\r\n"
"a=rtpmap:98 VP9/90000\r\n"
"a=fmtp:98\r\n"
"a=rtpmap:99 VP9.1/90000\r\n"
"a=fmtp:99\r\n"
"a=rtpmap:100 H264/90000\r\n"
"a=fmtp:100\r\n",
sdp_message.ToString());
sdp_message = SdpMessage(kSourceSdp);
EXPECT_TRUE(sdp_message.PreferVideoCodec("VP9.1"));
EXPECT_EQ(
"m=video 98 UDP/TLS/RTP/SAVPF 99 96 97 98 100\r\n"
"a=rtpmap:96 VP8/90000\r\n"
"a=fmtp:96\r\n"
"a=rtpmap:97 VP8.1/90000\r\n"
"a=fmtp:97\r\n"
"a=rtpmap:98 VP9/90000\r\n"
"a=fmtp:98\r\n"
"a=rtpmap:99 VP9.1/90000\r\n"
"a=fmtp:99\r\n"
"a=rtpmap:100 H264/90000\r\n"
"a=fmtp:100\r\n",
sdp_message.ToString());
sdp_message = SdpMessage(kSourceSdp);
EXPECT_TRUE(sdp_message.PreferVideoCodec("H264"));
EXPECT_EQ(
"m=video 98 UDP/TLS/RTP/SAVPF 100 96 97 98 99\r\n"
"a=rtpmap:96 VP8/90000\r\n"
"a=fmtp:96\r\n"
"a=rtpmap:97 VP8.1/90000\r\n"
"a=fmtp:97\r\n"
"a=rtpmap:98 VP9/90000\r\n"
"a=fmtp:98\r\n"
"a=rtpmap:99 VP9.1/90000\r\n"
"a=fmtp:99\r\n"
"a=rtpmap:100 H264/90000\r\n"
"a=fmtp:100\r\n",
sdp_message.ToString());
}
TEST(SdpMessages, PreferVideoCodec_UnknownCodec) {
static const std::string kSourceSdp =
"m=video 98 UDP/TLS/RTP/SAVPF 96 97 98 99 100\n"
"a=rtpmap:96 VP8/90000\n"
"a=fmtp:96\n"
"a=rtpmap:97 VP8.1/90000\n"
"a=fmtp:97\n"
"a=rtpmap:98 VP9/90000\n"
"a=fmtp:98\n"
"a=rtpmap:99 VP9.1/90000\n"
"a=fmtp:99\n"
"a=rtpmap:100 H264/90000\n"
"a=fmtp:100\n";
SdpMessage sdp_message(kSourceSdp);
EXPECT_FALSE(sdp_message.PreferVideoCodec("VP7"));
EXPECT_EQ(
"m=video 98 UDP/TLS/RTP/SAVPF 96 97 98 99 100\r\n"
"a=rtpmap:96 VP8/90000\r\n"
"a=fmtp:96\r\n"
"a=rtpmap:97 VP8.1/90000\r\n"
"a=fmtp:97\r\n"
"a=rtpmap:98 VP9/90000\r\n"
"a=fmtp:98\r\n"
"a=rtpmap:99 VP9.1/90000\r\n"
"a=fmtp:99\r\n"
"a=rtpmap:100 H264/90000\r\n"
"a=fmtp:100\r\n",
sdp_message.ToString());
}
TEST(SdpMessages, PreferVideoCodec_MultiplePlayloads) {
static const std::string kSourceSdp =
"m=video 98 UDP/TLS/RTP/SAVPF 96 97 100 101 102 98 99\n"
"a=rtpmap:96 VP8/90000\n"
"a=fmtp:96\n"
"a=rtpmap:97 VP8.1/90000\n"
"a=fmtp:97\n"
"a=rtpmap:101 VP9/90000\n"
"a=fmtp:101\n"
"a=rtpmap:98 VP9/90000\n"
"a=fmtp:98\n"
"a=rtpmap:99 VP9.1/90000\n"
"a=fmtp:99\n"
"a=rtpmap:102 VP9/90000\n"
"a=fmtp:102\n"
"a=rtpmap:103 VP9/90000\n"
"a=fmtp:103\n"
"a=rtpmap:100 H264/90000\n"
"a=fmtp:100\n";
SdpMessage sdp_message(kSourceSdp);
EXPECT_TRUE(sdp_message.PreferVideoCodec("VP9"));
EXPECT_EQ(
"m=video 98 UDP/TLS/RTP/SAVPF 102 98 101 96 97 100 99\r\n"
"a=rtpmap:96 VP8/90000\r\n"
"a=fmtp:96\r\n"
"a=rtpmap:97 VP8.1/90000\r\n"
"a=fmtp:97\r\n"
"a=rtpmap:101 VP9/90000\r\n"
"a=fmtp:101\r\n"
"a=rtpmap:98 VP9/90000\r\n"
"a=fmtp:98\r\n"
"a=rtpmap:99 VP9.1/90000\r\n"
"a=fmtp:99\r\n"
"a=rtpmap:102 VP9/90000\r\n"
"a=fmtp:102\r\n"
"a=rtpmap:103 VP9/90000\r\n"
"a=fmtp:103\r\n"
"a=rtpmap:100 H264/90000\r\n"
"a=fmtp:100\r\n",
sdp_message.ToString());
}
} // namespace remoting::protocol
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