LayoutTests/webaudio/analyser-exception.html - WebKit - Git at Google

 <!DOCTYPE html>

 <html>
 <head>
 <script src="../resources/js-test-pre.js"></script>
 <script src="resources/audio-testing.js"></script>
 <script src="resources/audiobuffersource-testing.js"></script>
 </head>

 <body>

 <div id="description"></div>
 <div id="console"></div>

 <script>
 description("Tests that AnalyserNode validates minDecibels, maxDecibels and smoothingTimeConstant values.");

 var analyser;

 function runTest() {
     if (window.testRunner) {
         testRunner.dumpAsText();
         testRunner.waitUntilDone();
     }

     window.jsTestIsAsync = true;

     var sampleRate = 44100.0;
     var numberOfFrames = 32;
     var context = new webkitOfflineAudioContext(1, numberOfFrames, sampleRate);
     analyser = context.createAnalyser();
     analyser.connect(context.destination);

     // 'minDecibels' shouldn't be greater than 'maxDecibels' which defaults to -30dB.
     shouldThrow("analyser.minDecibels = -20", "'Error: IndexSizeError: DOM Exception 1'");

     // 'maxDecibels' shouldn't be less than 'minDecibels' which defaults to -100dB.
     shouldThrow("analyser.maxDecibels = -120", "'Error: IndexSizeError: DOM Exception 1'");

     // 'smoothingTimeConstant' range is between 0 and 1.
     shouldThrow("analyser.smoothingTimeConstant = 2", "'Error: IndexSizeError: DOM Exception 1'");

     context.oncomplete = finishJSTest;
     context.startRendering();
 }

 runTest();

 </script>

 <script src="../resources/js-test-post.js"></script>
 </body>
 </html>
	<!DOCTYPE html>

	<html>
	<head>
	<script src="../resources/js-test-pre.js"></script>
	<script src="resources/audio-testing.js"></script>
	<script src="resources/audiobuffersource-testing.js"></script>
	</head>

	<body>

	<div id="description"></div>
	<div id="console"></div>

	<script>
	description("Tests that AnalyserNode validates minDecibels, maxDecibels and smoothingTimeConstant values.");

	var analyser;

	function runTest() {
	if (window.testRunner) {
	testRunner.dumpAsText();
	testRunner.waitUntilDone();
	}

	window.jsTestIsAsync = true;

	var sampleRate = 44100.0;
	var numberOfFrames = 32;
	var context = new webkitOfflineAudioContext(1, numberOfFrames, sampleRate);
	analyser = context.createAnalyser();
	analyser.connect(context.destination);

	// 'minDecibels' shouldn't be greater than 'maxDecibels' which defaults to -30dB.
	shouldThrow("analyser.minDecibels = -20", "'Error: IndexSizeError: DOM Exception 1'");

	// 'maxDecibels' shouldn't be less than 'minDecibels' which defaults to -100dB.
	shouldThrow("analyser.maxDecibels = -120", "'Error: IndexSizeError: DOM Exception 1'");

	// 'smoothingTimeConstant' range is between 0 and 1.
	shouldThrow("analyser.smoothingTimeConstant = 2", "'Error: IndexSizeError: DOM Exception 1'");

	context.oncomplete = finishJSTest;
	context.startRendering();
	}

	runTest();

	</script>

	<script src="../resources/js-test-post.js"></script>
	</body>
	</html>