Update web-platform-tests to revision 0fe9f012a8ee5503b728a379705a6c5286ba1e96

tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-helper.js

@@ -8,17 +8,50 @@
 
 // The following helper functions are called from RTCPeerConnection-helper.js:
 //   getTrackFromUserMedia
+//   doSignalingHandshake
 
 // Create a RTCDTMFSender using getUserMedia()
+// Connect the PeerConnection to another PC and wait until it is
+// properly connected, so that DTMF can be sent.
 function createDtmfSender(pc = new RTCPeerConnection()) {
+  var dtmfSender;
   return getTrackFromUserMedia('audio')
   .then(([track, mediaStream]) => {
     const sender = pc.addTrack(track, mediaStream);
-    const dtmfSender = sender.dtmf;
-
+    dtmfSender = sender.dtmf;
     assert_true(dtmfSender instanceof RTCDTMFSender,
-      'Expect audio sender.dtmf to be set to a RTCDTMFSender');
-
+                'Expect audio sender.dtmf to be set to a RTCDTMFSender');
+    // Note: spec bug open - https://github.com/w3c/webrtc-pc/issues/1774
+    // on whether sending should be possible before negotiation.
+    const pc2 = new RTCPeerConnection();
+    Object.defineProperty(pc, 'otherPc', { value: pc2 });
+    exchangeIceCandidates(pc, pc2);
+    return doSignalingHandshake(pc, pc2);
+  }).then(() => {
+    // Wait until dtmfSender.canInsertDTMF becomes true.
+    // Up to 150 ms has been observed in test. Wait 1 second
+    // in steps of 10 ms.
+    // Note: Using a short timeout and rejected promise in order to
+    // make test return a clear error message on failure.
+    return new Promise((resolve, reject) => {
+      let counter = 0;
+      let checkfunc = function() {
+        if (dtmfSender.canInsertDTMF) {
+          resolve();
+        } else {
+          if (counter >= 100) {
+            reject('Waited too long for canInsertDTMF');
+            return;
+          }
+          ++counter;
+          step_timeout(checkfunc, 10);
+        }
+      };
+      checkfunc();
+    });
+  }).then(() => {
+    assert_true(dtmfSender.canInsertDTMF,
+                'Failed to create usable dtmfSender:');
     return dtmfSender;
   });
 }
@@ -89,12 +122,12 @@ function test_tone_change_events(testFunc, toneChanges, desc) {
             t.step_func(() => {
               t.done();
               pc.close();
+              pc.otherPc.close();
             }), expectedDuration + 100);
         }
       });
 
       dtmfSender.addEventListener('tonechange', onToneChange);
-
       testFunc(t, dtmfSender, pc);
     })
     .catch(t.step_func(err => {

tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-insertDTMF.https.html

@@ -55,7 +55,7 @@
    */
   promise_test(t => {
     return createDtmfSender()
-    .then(dtmfSender => {
+  .then(dtmfSender => {
       dtmfSender.insertDTMF('');
       dtmfSender.insertDTMF('012345689');
       dtmfSender.insertDTMF('ABCD');

tests/wpt/web-platform-tests/webrtc/RTCDTMFSender-ontonechange.https.html

@@ -50,7 +50,7 @@
         7.  Fire an event named tonechange with a string consisting of tone at the
             RTCDTMFSender object.
    */
-  test_tone_change_events(dtmfSender => {
+  test_tone_change_events((t, dtmfSender) => {
     dtmfSender.insertDTMF('123');
   }, [
     ['1', '23', 0],
@@ -59,7 +59,7 @@
     ['', '', 170]
   ], 'insertDTMF() with default duration and intertoneGap should fire tonechange events at the expected time');
 
-  test_tone_change_events(dtmfSender => {
+  test_tone_change_events((t, dtmfSender) => {
     dtmfSender.insertDTMF('abc', 100, 70);
   }, [
     ['A', 'BC', 0],