mediasource-appendwindow.html

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<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->

<html>

    <head>

        <title>SourceBuffer.appendWindowStart and SourceBuffer.appendWindowEnd test cases.</title>

        <script src="/resources/testharness.js"></script>

        <script src="/resources/testharnessreport.js"></script>

        <script src="mediasource-util.js"></script>

    </head>

    <body>

        <div id="log"></div>

        <script>

          mediasource_test(function(test, mediaElement, mediaSource)

              var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);

              assert_true(sourceBuffer != null, "New SourceBuffer returned");

              sourceBuffer.appendWindowStart = 100.0;

              sourceBuffer.appendWindowEnd = 500.0;

              assert_equals(sourceBuffer.appendWindowStart, 100.0, "appendWindowStart is correctly set'");

              assert_equals(sourceBuffer.appendWindowEnd, 500.0, "appendWindowEnd is correctly set'");

              sourceBuffer.appendWindowStart = 200.0;

              sourceBuffer.appendWindowEnd = 400.0;

              assert_equals(sourceBuffer.appendWindowStart, 200.0, "appendWindowStart is correctly reset'");

              assert_equals(sourceBuffer.appendWindowEnd, 400.0, "appendWindowEnd is correctly reset'");

              test.done();

          }, "Test correctly reset appendWindowStart and appendWindowEnd values");

          mediasource_test(function(test, mediaElement, mediaSource)

              var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);

              assert_true(sourceBuffer != null, "New SourceBuffer returned");

              sourceBuffer.appendWindowEnd = 500.0;

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowStart = Number.NEGATIVE_INFINITY; },

                  "set appendWindowStart throws an exception for Number.NEGATIVE_INFINITY.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowStart = Number.POSITIVE_INFINITY; },

                  "set appendWindowStart throws an exception for Number.POSITIVE_INFINITY.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowStart = Number.NaN; },

                  "set appendWindowStart throws an exception for Number.NaN.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowStart = 600.0; },

                  "set appendWindowStart throws an exception when greater than appendWindowEnd.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowStart = sourceBuffer.appendWindowEnd; },

                  "set appendWindowStart throws an exception when equal to appendWindowEnd.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowEnd = sourceBuffer.appendWindowStart; },

                  "set appendWindowEnd throws an exception when equal to appendWindowStart.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowEnd = sourceBuffer.appendWindowStart - 1; },

                  "set appendWindowEnd throws an exception if less than appendWindowStart.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowStart = -100.0; },

                  "set appendWindowStart throws an exception when less than 0.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowEnd = -100.0; },

                  "set appendWindowEnd throws an exception when less than 0.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowEnd = Number.NaN; },

                  "set appendWindowEnd throws an exception if NaN.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowEnd = undefined; },

                  "set appendWindowEnd throws an exception if undefined.");

              assert_throws_js(TypeError,

                  function() { sourceBuffer.appendWindowStart = undefined; },

                  "set appendWindowStart throws an exception if undefined.");

              test.done();

          }, "Test set wrong values to appendWindowStart and appendWindowEnd.");

          mediasource_test(function(test, mediaElement, mediaSource)

              var sourceBuffer = mediaSource.addSourceBuffer(MediaSourceUtil.AUDIO_VIDEO_TYPE);

              assert_true(sourceBuffer != null, "New SourceBuffer returned");

              sourceBuffer.appendWindowStart = "";

              assert_equals(sourceBuffer.appendWindowStart, 0, "appendWindowStart is 0");

              sourceBuffer.appendWindowStart = "10";

              assert_equals(sourceBuffer.appendWindowStart, 10, "appendWindowStart is 10");

              sourceBuffer.appendWindowStart = null;

              assert_equals(sourceBuffer.appendWindowStart, 0, "appendWindowStart is 0");

              sourceBuffer.appendWindowStart = true;

              assert_equals(sourceBuffer.appendWindowStart, 1, "appendWindowStart is 1");

              sourceBuffer.appendWindowStart = false;

              assert_equals(sourceBuffer.appendWindowStart, 0, "appendWindowStart is 0");

              sourceBuffer.appendWindowEnd = "100";

              assert_equals(sourceBuffer.appendWindowEnd, 100, "appendWindowEnd is 100");

              test.done();

          }, "Test set correct values to appendWindowStart and appendWindowEnd.");

          mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)

              mediaSource.removeSourceBuffer(sourceBuffer);

              assert_throws_dom("InvalidStateError",

                  function() { sourceBuffer.appendWindowStart = 100.0; },

                  "set appendWindowStart throws an exception when mediasource object is not associated with a buffer.");

              assert_throws_dom("InvalidStateError",

                  function() { sourceBuffer.appendWindowEnd = 500.0; },

                  "set appendWindowEnd throws an exception when mediasource object is not associated with a buffer.");

              test.done();

          }, "Test appendwindow throw error when mediasource object is not associated with a sourebuffer.");

          mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)

              test.expectEvent(sourceBuffer, "updateend", "sourceBuffer");

              sourceBuffer.appendBuffer(mediaData);

              assert_true(sourceBuffer.updating, "updating attribute is true");

              assert_throws_dom("InvalidStateError",

                  function() { sourceBuffer.appendWindowStart = 100.0; },

                  "set appendWindowStart throws an exception when there is a pending append.");

              assert_throws_dom("InvalidStateError",

                  function() { sourceBuffer.appendWindowEnd = 500.0; },

                  "set appendWindowEnd throws an exception when there is a pending append.");

              test.waitForExpectedEvents(function()

                  assert_false(sourceBuffer.updating, "updating attribute is false");

                  test.done();

});

          }, "Test set appendWindowStart and appendWindowEnd when source buffer updating.");

          mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)

              test.expectEvent(sourceBuffer, "updateend", "sourceBuffer");

              sourceBuffer.appendBuffer(mediaData);

              assert_true(sourceBuffer.updating, "updating attribute is true");

              sourceBuffer.abort();

              assert_equals(sourceBuffer.appendWindowStart, 0, "appendWindowStart is 0 after an abort'");

              assert_equals(sourceBuffer.appendWindowEnd, Number.POSITIVE_INFINITY,

                            "appendWindowStart is POSITIVE_INFINITY after an abort");

              test.waitForExpectedEvents(function()

                  assert_false(sourceBuffer.updating, "updating attribute is false");

                  test.done();

});

          }, "Test appendWindowStart and appendWindowEnd value after a sourceBuffer.abort().");

          mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)

               assert_equals(sourceBuffer.appendWindowStart, 0, "appendWindowStart is 0 initially");

               assert_equals(sourceBuffer.appendWindowEnd, Number.POSITIVE_INFINITY,

                            "appendWindowStart is POSITIVE_INFINITY initially");

               test.done();

          }, "Test read appendWindowStart and appendWindowEnd initial values.");

       </script>

    </body>

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