Add promise-based addIceCandidate, setLocalDescription and setRemoteDescription to RTCPeerConnection

third_party/WebKit/LayoutTests/fast/mediastream/RTCPeerConnection-localDescription.html

Index: third_party/WebKit/LayoutTests/fast/mediastream/RTCPeerConnection-localDescription.html
diff --git a/third_party/WebKit/LayoutTests/fast/mediastream/RTCPeerConnection-localDescription.html b/third_party/WebKit/LayoutTests/fast/mediastream/RTCPeerConnection-localDescription.html
index a8987914665129244a44fbb560021f856629ebcc..542a7603c98f3397b498e100ad7247664a35df6d 100644
--- a/third_party/WebKit/LayoutTests/fast/mediastream/RTCPeerConnection-localDescription.html
+++ b/third_party/WebKit/LayoutTests/fast/mediastream/RTCPeerConnection-localDescription.html
@@ -22,31 +22,57 @@ function requestFailed2()
     finishJSTest();
 }
 
-function requestSucceeded2()
+function requestSucceeded1()
 {
-    testFailed('requestSucceeded was called.');
-    finishJSTest();
+    testPassed('requestSucceeded was called.');
+
+    sessionDescription = new RTCSessionDescription({type:"answer", sdp:"remote"});
+    shouldNotThrow('pc.setLocalDescription(sessionDescription, unexpectedCallback, requestFailed2);');
 }
 
-function requestFailed1()
+function unexpectedCallback()
 {
-    testFailed('requestFailed was called.');
+    testFailed('unexpectedCallback was called.');
     finishJSTest();
 }
 
-function requestSucceeded1()
+function expectedTypeError(error)
 {
-    testPassed('requestSucceeded was called.');
+    window.error = error;
+    shouldBe('error.name', '"TypeError"')
+    testPassed('expectedTypeError was called.')
+}
 
-    sessionDescription = new RTCSessionDescription({type:"answer", sdp:"remote"});
-    shouldNotThrow('pc.setLocalDescription(sessionDescription, requestSucceeded2, requestFailed2);');
+function expectedInvalidSessionDescription(error)
+{
+    testPassed('expectedInvalidSessionDescription was called.')
 }
 
+function testExecutionOrderClosedConnection()
+{
+    var localPeerConnection = new webkitRTCPeerConnection(null, null);
+    localPeerConnection.close();
+    var counter = 0;
+    events = [];
+    Promise.resolve().then(_ => events[counter++] = 1);
+    var sessionDescription = new RTCSessionDescription({type:"offer", sdp:"local"});
+    localPeerConnection.setLocalDescription(sessionDescription, unexpectedCallback, (error) => {
+        window.error = error;
+        shouldBe('error', '"The RTCPeerConnection\'s signalingState is \'closed\'."');
+        events[counter++] = 2;
+    });
+    Promise.resolve().then(_ => {
+        events[counter++] = 3; 
+        shouldBe('events', '[1,2,3]');
+    });
+}
+
+shouldNotThrow('testExecutionOrderClosedConnection()');
 pc = new webkitRTCPeerConnection(null, null);
-shouldThrow('pc.setLocalDescription(null)');
+shouldNotThrow('pc.setLocalDescription().catch(expectedTypeError)');
+shouldNotThrow('pc.setLocalDescription(null).catch(expectedInvalidSessionDescription)');
 var sessionDescription = new RTCSessionDescription({type:"offer", sdp:"local"});
-shouldNotThrow('pc.setLocalDescription(sessionDescription, requestSucceeded1, requestFailed1);');
-
+shouldNotThrow('pc.setLocalDescription(sessionDescription, requestSucceeded1, unexpectedCallback);');
 
 window.jsTestIsAsync = true;
 window.successfullyParsed = true;