diff options
Diffstat (limited to 'talk/media/webrtc/webrtcmediaengine_unittest.cc')
-rw-r--r-- | talk/media/webrtc/webrtcmediaengine_unittest.cc | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/talk/media/webrtc/webrtcmediaengine_unittest.cc b/talk/media/webrtc/webrtcmediaengine_unittest.cc new file mode 100644 index 0000000000..7c80e77301 --- /dev/null +++ b/talk/media/webrtc/webrtcmediaengine_unittest.cc @@ -0,0 +1,205 @@ +/* + * libjingle + * Copyright 2015 Google Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO + * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "testing/gtest/include/gtest/gtest.h" + +#include "talk/media/webrtc/webrtcmediaengine.h" + +namespace cricket { +namespace { + +std::vector<RtpHeaderExtension> MakeUniqueExtensions() { + std::vector<RtpHeaderExtension> result; + char name[] = "a"; + for (int i = 0; i < 7; ++i) { + result.push_back(RtpHeaderExtension(name, 1 + i)); + name[0]++; + result.push_back(RtpHeaderExtension(name, 14 - i)); + name[0]++; + } + return result; +} + +std::vector<RtpHeaderExtension> MakeRedundantExtensions() { + std::vector<RtpHeaderExtension> result; + char name[] = "a"; + for (int i = 0; i < 7; ++i) { + result.push_back(RtpHeaderExtension(name, 1 + i)); + result.push_back(RtpHeaderExtension(name, 14 - i)); + name[0]++; + } + return result; +} + +bool SupportedExtensions1(const std::string& name) { + return name == "c" || name == "i"; +} + +bool SupportedExtensions2(const std::string& name) { + return name != "a" && name != "n"; +} + +bool IsSorted(const std::vector<webrtc::RtpExtension>& extensions) { + const std::string* last = nullptr; + for (const auto& extension : extensions) { + if (last && *last > extension.name) { + return false; + } + last = &extension.name; + } + return true; +} +} // namespace + +TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_EmptyList) { + std::vector<RtpHeaderExtension> extensions; + EXPECT_TRUE(ValidateRtpExtensions(extensions)); +} + +TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_AllGood) { + std::vector<RtpHeaderExtension> extensions = MakeUniqueExtensions(); + EXPECT_TRUE(ValidateRtpExtensions(extensions)); +} + +TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_OutOfRangeId_Low) { + std::vector<RtpHeaderExtension> extensions = MakeUniqueExtensions(); + extensions.push_back(RtpHeaderExtension("foo", 0)); + EXPECT_FALSE(ValidateRtpExtensions(extensions)); +} + +TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_OutOfRangeId_High) { + std::vector<RtpHeaderExtension> extensions = MakeUniqueExtensions(); + extensions.push_back(RtpHeaderExtension("foo", 15)); + EXPECT_FALSE(ValidateRtpExtensions(extensions)); +} + +TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_OverlappingIds_StartOfSet) { + std::vector<RtpHeaderExtension> extensions = MakeUniqueExtensions(); + extensions.push_back(RtpHeaderExtension("foo", 1)); + EXPECT_FALSE(ValidateRtpExtensions(extensions)); +} + +TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_OverlappingIds_EndOfSet) { + std::vector<RtpHeaderExtension> extensions = MakeUniqueExtensions(); + extensions.push_back(RtpHeaderExtension("foo", 14)); + EXPECT_FALSE(ValidateRtpExtensions(extensions)); +} + +TEST(WebRtcMediaEngineTest, FilterRtpExtensions_EmptyList) { + std::vector<RtpHeaderExtension> extensions; + std::vector<webrtc::RtpExtension> filtered = + FilterRtpExtensions(extensions, SupportedExtensions1, true); + EXPECT_EQ(0, filtered.size()); +} + +TEST(WebRtcMediaEngineTest, FilterRtpExtensions_IncludeOnlySupported) { + std::vector<RtpHeaderExtension> extensions = MakeUniqueExtensions(); + std::vector<webrtc::RtpExtension> filtered = + FilterRtpExtensions(extensions, SupportedExtensions1, false); + EXPECT_EQ(2, filtered.size()); + EXPECT_EQ("c", filtered[0].name); + EXPECT_EQ("i", filtered[1].name); +} + +TEST(WebRtcMediaEngineTest, FilterRtpExtensions_SortedByName_1) { + std::vector<RtpHeaderExtension> extensions = MakeUniqueExtensions(); + std::vector<webrtc::RtpExtension> filtered = + FilterRtpExtensions(extensions, SupportedExtensions2, false); + EXPECT_EQ(12, filtered.size()); + EXPECT_TRUE(IsSorted(filtered)); +} + +TEST(WebRtcMediaEngineTest, FilterRtpExtensions_SortedByName_2) { + std::vector<RtpHeaderExtension> extensions = MakeUniqueExtensions(); + std::vector<webrtc::RtpExtension> filtered = + FilterRtpExtensions(extensions, SupportedExtensions2, true); + EXPECT_EQ(12, filtered.size()); + EXPECT_TRUE(IsSorted(filtered)); +} + +TEST(WebRtcMediaEngineTest, FilterRtpExtensions_DontRemoveRedundant) { + std::vector<RtpHeaderExtension> extensions = MakeRedundantExtensions(); + std::vector<webrtc::RtpExtension> filtered = + FilterRtpExtensions(extensions, SupportedExtensions2, false); + EXPECT_EQ(12, filtered.size()); + EXPECT_TRUE(IsSorted(filtered)); + EXPECT_EQ(filtered[0].name, filtered[1].name); +} + +TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundant) { + std::vector<RtpHeaderExtension> extensions = MakeRedundantExtensions(); + std::vector<webrtc::RtpExtension> filtered = + FilterRtpExtensions(extensions, SupportedExtensions2, true); + EXPECT_EQ(6, filtered.size()); + EXPECT_TRUE(IsSorted(filtered)); + EXPECT_NE(filtered[0].name, filtered[1].name); +} + +TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundantBwe_1) { + std::vector<RtpHeaderExtension> extensions; + extensions.push_back( + RtpHeaderExtension(kRtpTransportSequenceNumberHeaderExtension, 3)); + extensions.push_back( + RtpHeaderExtension(kRtpTimestampOffsetHeaderExtension, 9)); + extensions.push_back( + RtpHeaderExtension(kRtpAbsoluteSenderTimeHeaderExtension, 6)); + extensions.push_back( + RtpHeaderExtension(kRtpTransportSequenceNumberHeaderExtension, 1)); + extensions.push_back( + RtpHeaderExtension(kRtpTimestampOffsetHeaderExtension, 14)); + std::vector<webrtc::RtpExtension> filtered = + FilterRtpExtensions(extensions, SupportedExtensions2, true); + EXPECT_EQ(1, filtered.size()); + EXPECT_EQ(kRtpTransportSequenceNumberHeaderExtension, filtered[0].name); +} + +TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundantBwe_2) { + std::vector<RtpHeaderExtension> extensions; + extensions.push_back( + RtpHeaderExtension(kRtpTimestampOffsetHeaderExtension, 1)); + extensions.push_back( + RtpHeaderExtension(kRtpAbsoluteSenderTimeHeaderExtension, 14)); + extensions.push_back( + RtpHeaderExtension(kRtpTimestampOffsetHeaderExtension, 7)); + std::vector<webrtc::RtpExtension> filtered = + FilterRtpExtensions(extensions, SupportedExtensions2, true); + EXPECT_EQ(1, filtered.size()); + EXPECT_EQ(kRtpAbsoluteSenderTimeHeaderExtension, filtered[0].name); +} + +TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundantBwe_3) { + std::vector<RtpHeaderExtension> extensions; + extensions.push_back( + RtpHeaderExtension(kRtpTimestampOffsetHeaderExtension, 2)); + extensions.push_back( + RtpHeaderExtension(kRtpTimestampOffsetHeaderExtension, 14)); + std::vector<webrtc::RtpExtension> filtered = + FilterRtpExtensions(extensions, SupportedExtensions2, true); + EXPECT_EQ(1, filtered.size()); + EXPECT_EQ(kRtpTimestampOffsetHeaderExtension, filtered[0].name); +} +} // namespace cricket |