/*
* libjingle
* Copyright 2012 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 "talk/media/base/streamparams.h"
#include "talk/media/base/testutils.h"
#include "webrtc/base/arraysize.h"
#include "webrtc/base/gunit.h"
static const uint32_t kSsrcs1[] = {1};
static const uint32_t kSsrcs2[] = {1, 2};
static const uint32_t kSsrcs3[] = {1, 2, 3};
static const uint32_t kRtxSsrcs3[] = {4, 5, 6};
static cricket::StreamParams CreateStreamParamsWithSsrcGroup(
const std::string& semantics,
const uint32_t ssrcs_in[],
size_t len) {
cricket::StreamParams stream;
std::vector<uint32_t> ssrcs(ssrcs_in, ssrcs_in + len);
cricket::SsrcGroup sg(semantics, ssrcs);
stream.ssrcs = ssrcs;
stream.ssrc_groups.push_back(sg);
return stream;
}
TEST(SsrcGroup, EqualNotEqual) {
cricket::SsrcGroup ssrc_groups[] = {
cricket::SsrcGroup("ABC", MAKE_VECTOR(kSsrcs1)),
cricket::SsrcGroup("ABC", MAKE_VECTOR(kSsrcs2)),
cricket::SsrcGroup("Abc", MAKE_VECTOR(kSsrcs2)),
cricket::SsrcGroup("abc", MAKE_VECTOR(kSsrcs2)),
};
for (size_t i = 0; i < arraysize(ssrc_groups); ++i) {
for (size_t j = 0; j < arraysize(ssrc_groups); ++j) {
EXPECT_EQ((ssrc_groups[i] == ssrc_groups[j]), (i == j));
EXPECT_EQ((ssrc_groups[i] != ssrc_groups[j]), (i != j));
}
}
}
TEST(SsrcGroup, HasSemantics) {
cricket::SsrcGroup sg1("ABC", MAKE_VECTOR(kSsrcs1));
EXPECT_TRUE(sg1.has_semantics("ABC"));
cricket::SsrcGroup sg2("Abc", MAKE_VECTOR(kSsrcs1));
EXPECT_FALSE(sg2.has_semantics("ABC"));
cricket::SsrcGroup sg3("abc", MAKE_VECTOR(kSsrcs1));
EXPECT_FALSE(sg3.has_semantics("ABC"));
}
TEST(SsrcGroup, ToString) {
cricket::SsrcGroup sg1("ABC", MAKE_VECTOR(kSsrcs1));
EXPECT_STREQ("{semantics:ABC;ssrcs:[1]}", sg1.ToString().c_str());
}
TEST(StreamParams, CreateLegacy) {
const uint32_t ssrc = 7;
cricket::StreamParams one_sp = cricket::StreamParams::CreateLegacy(ssrc);
EXPECT_EQ(1U, one_sp.ssrcs.size());
EXPECT_EQ(ssrc, one_sp.first_ssrc());
EXPECT_TRUE(one_sp.has_ssrcs());
EXPECT_TRUE(one_sp.has_ssrc(ssrc));
EXPECT_FALSE(one_sp.has_ssrc(ssrc+1));
EXPECT_FALSE(one_sp.has_ssrc_groups());
EXPECT_EQ(0U, one_sp.ssrc_groups.size());
}
TEST(StreamParams, HasSsrcGroup) {
cricket::StreamParams sp =
CreateStreamParamsWithSsrcGroup("XYZ", kSsrcs2, arraysize(kSsrcs2));
EXPECT_EQ(2U, sp.ssrcs.size());
EXPECT_EQ(kSsrcs2[0], sp.first_ssrc());
EXPECT_TRUE(sp.has_ssrcs());
EXPECT_TRUE(sp.has_ssrc(kSsrcs2[0]));
EXPECT_TRUE(sp.has_ssrc(kSsrcs2[1]));
EXPECT_TRUE(sp.has_ssrc_group("XYZ"));
EXPECT_EQ(1U, sp.ssrc_groups.size());
EXPECT_EQ(2U, sp.ssrc_groups[0].ssrcs.size());
EXPECT_EQ(kSsrcs2[0], sp.ssrc_groups[0].ssrcs[0]);
EXPECT_EQ(kSsrcs2[1], sp.ssrc_groups[0].ssrcs[1]);
}
TEST(StreamParams, GetSsrcGroup) {
cricket::StreamParams sp =
CreateStreamParamsWithSsrcGroup("XYZ", kSsrcs2, arraysize(kSsrcs2));
EXPECT_EQ(NULL, sp.get_ssrc_group("xyz"));
EXPECT_EQ(&sp.ssrc_groups[0], sp.get_ssrc_group("XYZ"));
}
TEST(StreamParams, EqualNotEqual) {
cricket::StreamParams l1 = cricket::StreamParams::CreateLegacy(1);
cricket::StreamParams l2 = cricket::StreamParams::CreateLegacy(2);
cricket::StreamParams sg1 =
CreateStreamParamsWithSsrcGroup("ABC", kSsrcs1, arraysize(kSsrcs1));
cricket::StreamParams sg2 =
CreateStreamParamsWithSsrcGroup("ABC", kSsrcs2, arraysize(kSsrcs2));
cricket::StreamParams sg3 =
CreateStreamParamsWithSsrcGroup("Abc", kSsrcs2, arraysize(kSsrcs2));
cricket::StreamParams sg4 =
CreateStreamParamsWithSsrcGroup("abc", kSsrcs2, arraysize(kSsrcs2));
cricket::StreamParams sps[] = {l1, l2, sg1, sg2, sg3, sg4};
for (size_t i = 0; i < arraysize(sps); ++i) {
for (size_t j = 0; j < arraysize(sps); ++j) {
EXPECT_EQ((sps[i] == sps[j]), (i == j));
EXPECT_EQ((sps[i] != sps[j]), (i != j));
}
}
}
TEST(StreamParams, FidFunctions) {
uint32_t fid_ssrc;
cricket::StreamParams sp = cricket::StreamParams::CreateLegacy(1);
EXPECT_FALSE(sp.AddFidSsrc(10, 20));
EXPECT_TRUE(sp.AddFidSsrc(1, 2));
EXPECT_TRUE(sp.GetFidSsrc(1, &fid_ssrc));
EXPECT_EQ(2u, fid_ssrc);
EXPECT_FALSE(sp.GetFidSsrc(15, &fid_ssrc));
sp.add_ssrc(20);
sp.AddFidSsrc(20, 30);
EXPECT_TRUE(sp.GetFidSsrc(20, &fid_ssrc));
EXPECT_EQ(30u, fid_ssrc);
// Manually create SsrcGroup to test bounds-checking
// in GetSecondarySsrc. We construct an invalid StreamParams
// for this.
std::vector<uint32_t> fid_vector;
fid_vector.push_back(13);
cricket::SsrcGroup invalid_fid_group(cricket::kFidSsrcGroupSemantics,
fid_vector);
cricket::StreamParams sp_invalid;
sp_invalid.add_ssrc(13);
sp_invalid.ssrc_groups.push_back(invalid_fid_group);
EXPECT_FALSE(sp_invalid.GetFidSsrc(13, &fid_ssrc));
}
TEST(StreamParams, GetPrimaryAndFidSsrcs) {
cricket::StreamParams sp;
sp.ssrcs.push_back(1);
sp.ssrcs.push_back(2);
sp.ssrcs.push_back(3);
std::vector<uint32_t> primary_ssrcs;
sp.GetPrimarySsrcs(&primary_ssrcs);
std::vector<uint32_t> fid_ssrcs;
sp.GetFidSsrcs(primary_ssrcs, &fid_ssrcs);
ASSERT_EQ(1u, primary_ssrcs.size());
EXPECT_EQ(1u, primary_ssrcs[0]);
ASSERT_EQ(0u, fid_ssrcs.size());
sp.ssrc_groups.push_back(
cricket::SsrcGroup(cricket::kSimSsrcGroupSemantics, sp.ssrcs));
sp.AddFidSsrc(1, 10);
sp.AddFidSsrc(2, 20);
primary_ssrcs.clear();
sp.GetPrimarySsrcs(&primary_ssrcs);
fid_ssrcs.clear();
sp.GetFidSsrcs(primary_ssrcs, &fid_ssrcs);
ASSERT_EQ(3u, primary_ssrcs.size());
EXPECT_EQ(1u, primary_ssrcs[0]);
EXPECT_EQ(2u, primary_ssrcs[1]);
EXPECT_EQ(3u, primary_ssrcs[2]);
ASSERT_EQ(2u, fid_ssrcs.size());
EXPECT_EQ(10u, fid_ssrcs[0]);
EXPECT_EQ(20u, fid_ssrcs[1]);
}
TEST(StreamParams, ToString) {
cricket::StreamParams sp =
CreateStreamParamsWithSsrcGroup("XYZ", kSsrcs2, arraysize(kSsrcs2));
EXPECT_STREQ("{ssrcs:[1,2];ssrc_groups:{semantics:XYZ;ssrcs:[1,2]};}",
sp.ToString().c_str());
}
TEST(StreamParams, TestIsOneSsrcStream_LegacyStream) {
EXPECT_TRUE(
cricket::IsOneSsrcStream(cricket::StreamParams::CreateLegacy(13)));
}
TEST(StreamParams, TestIsOneSsrcStream_SingleRtxStream) {
cricket::StreamParams stream;
stream.add_ssrc(13);
EXPECT_TRUE(stream.AddFidSsrc(13, 14));
EXPECT_TRUE(cricket::IsOneSsrcStream(stream));
}
TEST(StreamParams, TestIsOneSsrcStream_SimulcastStream) {
EXPECT_FALSE(cricket::IsOneSsrcStream(
cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs2))));
EXPECT_FALSE(cricket::IsOneSsrcStream(
cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs3))));
}
TEST(StreamParams, TestIsOneSsrcStream_SimRtxStream) {
cricket::StreamParams stream =
cricket::CreateSimWithRtxStreamParams("cname",
MAKE_VECTOR(kSsrcs3),
MAKE_VECTOR(kRtxSsrcs3));
EXPECT_FALSE(cricket::IsOneSsrcStream(stream));
}
TEST(StreamParams, TestIsSimulcastStream_LegacyStream) {
EXPECT_FALSE(
cricket::IsSimulcastStream(cricket::StreamParams::CreateLegacy(13)));
}
TEST(StreamParams, TestIsSimulcastStream_SingleRtxStream) {
cricket::StreamParams stream;
stream.add_ssrc(13);
EXPECT_TRUE(stream.AddFidSsrc(13, 14));
EXPECT_FALSE(cricket::IsSimulcastStream(stream));
}
TEST(StreamParams, TestIsSimulcastStream_SimulcastStream) {
EXPECT_TRUE(cricket::IsSimulcastStream(
cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs2))));
EXPECT_TRUE(cricket::IsSimulcastStream(
cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs3))));
}
TEST(StreamParams, TestIsSimulcastStream_SimRtxStream) {
cricket::StreamParams stream =
cricket::CreateSimWithRtxStreamParams("cname",
MAKE_VECTOR(kSsrcs3),
MAKE_VECTOR(kRtxSsrcs3));
EXPECT_TRUE(cricket::IsSimulcastStream(stream));
}
TEST(StreamParams, TestIsSimulcastStream_InvalidStreams) {
// stream1 has extra non-sim, non-fid ssrc.
cricket::StreamParams stream1 =
cricket::CreateSimWithRtxStreamParams("cname",
MAKE_VECTOR(kSsrcs3),
MAKE_VECTOR(kRtxSsrcs3));
stream1.add_ssrc(25);
EXPECT_FALSE(cricket::IsSimulcastStream(stream1));
// stream2 has invalid fid-group (no primary).
cricket::StreamParams stream2;
stream2.add_ssrc(13);
EXPECT_TRUE(stream2.AddFidSsrc(13, 14));
std::remove(stream2.ssrcs.begin(), stream2.ssrcs.end(), 13);
EXPECT_FALSE(cricket::IsSimulcastStream(stream2));
// stream3 has two SIM groups.
cricket::StreamParams stream3 =
cricket::CreateSimStreamParams("cname", MAKE_VECTOR(kSsrcs2));
std::vector<uint32_t> sim_ssrcs = MAKE_VECTOR(kRtxSsrcs3);
cricket::SsrcGroup sg(cricket::kSimSsrcGroupSemantics, sim_ssrcs);
for (size_t i = 0; i < sim_ssrcs.size(); i++) {
stream3.add_ssrc(sim_ssrcs[i]);
}
stream3.ssrc_groups.push_back(sg);
EXPECT_FALSE(cricket::IsSimulcastStream(stream3));
}