MSE: Experimental support for new abort and duration behavior

third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-config-changes.js

Index: third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-config-changes.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-config-changes.js b/third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-config-changes.js
index 9a42df83d7c8447203a19f0b9460a84cf9b3d764..915db6471bd7d29189303df6a6bc54310d143679 100644
--- a/third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-config-changes.js
+++ b/third_party/WebKit/LayoutTests/http/tests/media/media-source/mediasource-config-changes.js
@@ -64,11 +64,11 @@ function mediaSourceConfigChangeTest(directory, idA, idB, description)
                 test.waitForExpectedEvents(function()
                 {
                     // Truncate the presentation to a duration of 2 seconds.
-                    assert_false(sourceBuffer.updating, "sourceBuffer.updating");
+                    // First, explicitly remove the media beyond 2 seconds.
+                    assert_false(sourceBuffer.updating, "sourceBuffer.updating before range removal");
+                    sourceBuffer.remove(2, mediaSource.duration);
 
-                    mediaSource.duration = 2;
-
-                    assert_true(sourceBuffer.updating, "sourceBuffer.updating");
+                    assert_true(sourceBuffer.updating, "sourceBuffer.updating during range removal");
                     test.expectEvent(sourceBuffer, "updatestart");
                     test.expectEvent(sourceBuffer, "update");
                     test.expectEvent(sourceBuffer, "updateend");
@@ -76,6 +76,17 @@ function mediaSourceConfigChangeTest(directory, idA, idB, description)
 
                 test.waitForExpectedEvents(function()
                 {
+                    // Complete the truncation of presentation to 2 second
+                    // duration.
+                    assert_false(sourceBuffer.updating, "sourceBuffer.updating prior to duration reduction");
+                    mediaSource.duration = 2;
+                    assert_false(sourceBuffer.updating, "sourceBuffer.updating synchronously after duration reduction");
+
+                    test.expectEvent(mediaElement, "durationchange");
+                });
+
+                test.waitForExpectedEvents(function()
+                {
                     mediaSource.endOfStream();
 
                     if (expectResizeEvents) {