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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test WaveShaperNode with an invalid curve</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="text/javascript" src="webaudio.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+var gTest = {
+ length: 2048,
+ numberOfChannels: 1,
+ createGraph(context) {
+ var source = context.createBufferSource();
+ source.buffer = this.buffer;
+
+ var shaper = context.createWaveShaper();
+
+ expectException(() => {
+ shaper.curve = new Float32Array(0);
+ }, DOMException.INVALID_STATE_ERR);
+
+ is(shaper.curve, null, "The curve mustn't have been set");
+
+ expectException(() => {
+ shaper.curve = new Float32Array(1);
+ }, DOMException.INVALID_STATE_ERR);
+
+ is(shaper.curve, null, "The curve mustn't have been set");
+
+ expectNoException(() => {
+ shaper.curve = new Float32Array(2);
+ });
+
+ isnot(shaper.curve, null, "The curve must have been set");
+
+ expectNoException(() => {
+ shaper.curve = null;
+ });
+
+ is(shaper.curve, null, "The curve must be null by default");
+
+ source.connect(shaper);
+
+ source.start(0);
+ return shaper;
+ },
+ createExpectedBuffers(context) {
+ var expectedBuffer = context.createBuffer(1, 2048, context.sampleRate);
+ for (var i = 0; i < 2048; ++i) {
+ expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
+ }
+ this.buffer = expectedBuffer;
+ return expectedBuffer;
+ },
+};
+
+runTest();
+
+</script>
+</pre>
+</body>
+</html>