<!DOCTYPE html> <!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). --> <html> <head> <title>MediaSource.duration boundary condition 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> function DurationBoundaryConditionTest(testDurationValue, expectedError, description) { return mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData) { // Append initialization segment. test.expectEvent(sourceBuffer, "updateend", "sourceBuffer"); test.expectEvent(mediaElement, "loadedmetadata", "mediaElement"); sourceBuffer.appendBuffer(MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init)); test.waitForExpectedEvents(function() { if (expectedError) { assert_throws_js(expectedError, function() { mediaSource.duration = testDurationValue; }, "mediaSource.duration assignment throws an exception for " + testDurationValue); test.done(); return; } mediaSource.duration = testDurationValue; assert_equals(mediaSource.duration, testDurationValue, "mediaSource.duration"); assert_equals(mediaElement.duration, testDurationValue, "mediaElement.duration"); test.expectEvent(mediaElement, "durationchange", "mediaElement"); test.waitForExpectedEvents(function() { assert_equals(mediaSource.duration, testDurationValue, "mediaSource.duration"); assert_equals(mediaElement.duration, testDurationValue, "mediaElement.duration"); test.done(); }); }); }, description); } DurationBoundaryConditionTest(Math.pow(2, 31) - 1, null, "Set duration to 2^31 - 1"); DurationBoundaryConditionTest(1, null, "Set duration to 1"); DurationBoundaryConditionTest(Number.MAX_VALUE, null, "Set duration to Number.MAX_VALUE"); DurationBoundaryConditionTest(Number.MIN_VALUE, null, "Set duration to Number.MIN_VALUE"); DurationBoundaryConditionTest(Number.MAX_VALUE - 1, null, "Set duration to Number.MAX_VALUE - 1"); DurationBoundaryConditionTest(Number.MIN_VALUE - 1, TypeError, "Set duration to Number.MIN_VALUE - 1"); DurationBoundaryConditionTest(Number.POSITIVE_INFINITY, null, "Set duration to Number.POSITIVE_INFINITY"); DurationBoundaryConditionTest(Number.NEGATIVE_INFINITY, TypeError, "Set duration to Number.NEGATIVE_INFINITY"); DurationBoundaryConditionTest(-1 * Number.MAX_VALUE, TypeError, "Set duration to lowest value."); DurationBoundaryConditionTest(-101.9, TypeError, "Set duration to a negative double."); DurationBoundaryConditionTest(101.9, null, "Set duration to a positive double."); DurationBoundaryConditionTest(0, null, "Set duration to zero"); DurationBoundaryConditionTest(NaN, TypeError, "Set duration to NaN"); </script> </body> </html>