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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test PannerNode produces output even when the even when the distance is from the listener is zero</title>
+ <script type="text/javascript" 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 BUF_SIZE = 128;
+
+var types = [
+ "equalpower",
+ "HRTF"
+]
+
+var finished = types.length;
+
+function finish() {
+ if (!--finished) {
+ SimpleTest.finish();
+ }
+}
+
+function test(type) {
+ var ac = new OfflineAudioContext(1, BUF_SIZE, 44100);
+
+ // A sine to be used to fill the buffers
+ function sine(t) {
+ return Math.sin(440 * 2 * Math.PI * t / ac.sampleRate);
+ }
+
+ var monoBuffer = ac.createBuffer(1, BUF_SIZE, ac.sampleRate);
+ for (var i = 0; i < BUF_SIZE; ++i) {
+ monoBuffer.getChannelData(0)[i] = sine(i);
+ }
+
+ var monoSource = ac.createBufferSource();
+ monoSource.buffer = monoBuffer;
+ monoSource.start(0);
+
+ var panner = ac.createPanner();
+ panner.distanceModel = "linear";
+ panner.refDistance = 1;
+ panner.positionX.value = 0;
+ panner.positionY.value = 0;
+ panner.positionZ.value = 0;
+ monoSource.connect(panner);
+
+ var panner2 = ac.createPanner();
+ panner2.distanceModel = "inverse";
+ panner2.refDistance = 1;
+ panner2.positionX.value = 0;
+ panner2.positionY.value = 0;
+ panner2.positionZ.value = 0;
+ panner.connect(panner2);
+
+ var panner3 = ac.createPanner();
+ panner3.distanceModel = "exponential";
+ panner3.refDistance = 1;
+ panner3.positionX.value = 0;
+ panner3.positionY.value = 0;
+ panner3.positionZ.value = 0;
+ panner2.connect(panner3);
+
+ panner3.connect(ac.destination);
+
+ ac.startRendering().then(function(buffer) {
+ compareBuffers(buffer, monoBuffer);
+ finish();
+ });
+}
+
+addLoadEvent(function() {
+ types.forEach(test);
+});
+
+SimpleTest.waitForExplicitFinish();
+
+</script>
+</pre>
+</body>
+</html>