SCTP: Stopped accepting SSRCs higher than max.

talk/media/sctp/sctpdataengine_unittest.cc

Index: talk/media/sctp/sctpdataengine_unittest.cc
diff --git a/talk/media/sctp/sctpdataengine_unittest.cc b/talk/media/sctp/sctpdataengine_unittest.cc
index 4706368b9d3ca2657a40f937da8160f37b7c008e..d673c69c98e9cd7606c2748f4adf2298510a2afc 100644
--- a/talk/media/sctp/sctpdataengine_unittest.cc
+++ b/talk/media/sctp/sctpdataengine_unittest.cc
@@ -270,12 +270,14 @@ class SctpDataMediaChannelTest : public testing::Test,
     ProcessMessagesUntilIdle();
   }
 
-  void AddStream(int ssrc) {
+  bool AddStream(int ssrc) {
+    bool ret = true;
     cricket::StreamParams p(cricket::StreamParams::CreateLegacy(ssrc));
-    chan1_->AddSendStream(p);
-    chan1_->AddRecvStream(p);
-    chan2_->AddSendStream(p);
-    chan2_->AddRecvStream(p);
+    ret = ret && chan1_->AddSendStream(p);
+    ret = ret && chan1_->AddRecvStream(p);
+    ret = ret && chan2_->AddSendStream(p);
+    ret = ret && chan2_->AddRecvStream(p);
+    return ret;
   }
 
   cricket::SctpDataMediaChannel* CreateChannel(
@@ -504,6 +506,12 @@ TEST_F(SctpDataMediaChannelTest, EngineSignalsRightChannel) {
   EXPECT_GT(channel1_ready_to_send_count(), prior_count);
 }
 
+TEST_F(SctpDataMediaChannelTest, RefusesHighNumberedChannels) {
+  SetupConnectedChannels();
+  EXPECT_TRUE(AddStream(1022));
+  EXPECT_FALSE(AddStream(1023));
+}
+
 // Flaky on Linux and Windows. See webrtc:4453.
 #if defined(WEBRTC_WIN) || defined(WEBRTC_LINUX)
 #define MAYBE_ReusesAStream DISABLED_ReusesAStream