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<!doctype html>
<html>
<head>
<title>Test Exceptions from setValueCurveAtTime</title>
<script src="../resources/js-test.js"></script>
<script src="resources/compatibility.js"></script>
<script src="resources/audio-testing.js"></script>
</head>
<body>
<script>
description("Test Exceptions from setValueCurveAtTime");
window.jsTestIsAsync = true;
var sampleRate = 48000;
// Some short duration because we don't need to run the test for very long.
var testDurationSec = 0.125;
var testDurationFrames = testDurationSec * sampleRate;
var audit = Audit.createTaskRunner();
audit.defineTask("setValueCurve", function(done) {
var success = true;
var context = new OfflineAudioContext(1, testDurationFrames, sampleRate);
var g = context.createGain();
var curve = new Float32Array(2);
// Start time and duration for setValueCurveAtTime
var curveStartTime = 0.1 * testDurationSec;
var duration = 0.1 * testDurationSec;
// Some time that is known to during the setValueCurveTime interval.
var automationTime = curveStartTime + duration / 2;
success = Should("setValueCurveAtTime(curve, " + curveStartTime + ", " + duration + ")", function() {
g.gain.setValueCurveAtTime(curve, curveStartTime, duration);
}).notThrow() && success;
success = Should("setValueAtTime(1, " + automationTime + ")", function() {
g.gain.setValueAtTime(1, automationTime);
}).throw("NotSupportedError") && success;
success = Should("linearRampToValueAtTime(1, " + automationTime + ")", function() {
g.gain.linearRampToValueAtTime(1, automationTime);
}).throw("NotSupportedError") && success;
success = Should("exponentialRampToValueAtTime(1, " + automationTime + ")", function() {
g.gain.exponentialRampToValueAtTime(1, automationTime);
}).throw("NotSupportedError") && success;
success = Should("setTargetAtTime(1, " + automationTime + ", 1)", function() {
g.gain.setTargetAtTime(1, automationTime, 1);
}).throw("NotSupportedError") && success;
success = Should("setValueAtTime(1, " + (curveStartTime + 1.1 * duration) + ")", function() {
g.gain.setValueAtTime(1, curveStartTime + 1.1 * duration);
}).notThrow() && success;
var prefix = "Automation functions overlapping an existing setValueCurveAtTime";
if (success)
testPassed(prefix + " correctly signaled errors.\n");
else
testFailed(prefix + " failed to signal errors.\n");
done();
});
audit.defineTask("automations", function (done) {
var success = true;
var context = new OfflineAudioContext(1, testDurationFrames, sampleRate);
var g = context.createGain();
var curve = new Float32Array(2);
// Start time and duration for setValueCurveAtTime
var startTime = 0;
var timeInterval = testDurationSec / 10;
startTime += timeInterval;
success = Should("linearRampToValueAtTime(1, " + startTime + ")", function () {
g.gain.linearRampToValueAtTime(1, startTime);
}).notThrow() && success;
startTime += timeInterval;
success = Should("exponentialRampToValueAtTime(1, " + startTime + ")", function () {
g.gain.exponentialRampToValueAtTime(1, startTime);
}).notThrow() && success;
startTime += timeInterval;
success = Should("setTargetAtTime(1, " + startTime + ", 0.1)", function () {
g.gain.setTargetAtTime(1, startTime, 0.1);
}).notThrow() && success;
startTime += timeInterval;
success = Should("setValueCurveAtTime(curve, " + startTime + ", 0.1)", function () {
g.gain.setValueCurveAtTime(curve, startTime, 0.1);
}).notThrow() && success;
// Now try to setValueCurve that overlaps each of the above automations
startTime = timeInterval / 2;
for (var k = 0; k < 4; ++k) {
var time = startTime + timeInterval * k;
success = Should("setValueCurveAtTime(curve, " + time + ", 0.01)", function () {
g.gain.setValueCurveAtTime(curve, time, 0.01);
}).throw("NotSupportedError") && success;
}
// Elements of setValueCurve should be finite.
success = Should("setValueCurveAtTime([NaN, NaN], " + time + ", 0.01)", function () {
g.gain.setValueCurveAtTime(Float32Array.from([NaN, NaN]), time, 0.01);
}).throw("TypeError") && success;
success = Should("setValueCurveAtTime([1, Infinity], " + time + ", 0.01)", function () {
g.gain.setValueCurveAtTime(Float32Array.from([1, Infinity]), time, 0.01);
}).throw("TypeError") && success;
var d = context.createDelay();
// Check that we get warnings for out-of-range values and also throw for
// non-finite values.
success = Should("delayTime.setValueCurveAtTime([1, 5], " + time + ", 0.01)", function() {
d.delayTime.setValueCurveAtTime(Float32Array.from([1, 5]), time, 0.01);
}).notThrow() && success;
success = Should("delayTime.setValueCurveAtTime([1, 5, Infinity], " + time + ", 0.01)",
function() {
d.delayTime.setValueCurveAtTime(Float32Array.from([1, 5, Infinity]), time, 0.01);
}).throw("TypeError") && success;
// One last test that prints out lots of digits for the time.
var time = Math.PI / 100;
success = Should("setValueCurveAtTime(curve, " + time + ", 0.01)", function () {
g.gain.setValueCurveAtTime(curve, time, 0.01);
}).throw("NotSupportedError") && success;
var prefix = "setValueCurve overlapping existing automation functions";
if (success)
testPassed(prefix + " correctly signaled errors.\n");
else
testFailed(prefix + " failed to signal errors.\n");
done();
});
audit.defineTask("catch-exception", function (done) {
// Verify that the curve isn't inserted into the time line even if we catch the exception.
var success = true;
var context = new OfflineAudioContext(1, testDurationFrames, sampleRate);
var gain = context.createGain();
var source = context.createBufferSource();
var buffer = context.createBuffer(1, 1, context.sampleRate);
buffer.getChannelData(0)[0] = 1;
source.buffer = buffer;
source.loop = true;
source.connect(gain);
gain.connect(context.destination);
gain.gain.setValueAtTime(1, 0);
try {
// The value curve has an invalid element. This automation shouldn't be inserted into the
// timeline at all.
gain.gain.setValueCurveAtTime(Float32Array.from([0, NaN]), 128 / context.sampleRate, .5);
} catch (e) {
};
source.start();
context.startRendering().then(function (resultBuffer) {
// Since the setValueCurve wasn't inserted, the output should be exactly 1 for the entire
// duration.
var success = Should("Handled setValueCurve exception so output", resultBuffer.getChannelData(0))
.beConstantValueOf(1);
if (success)
testPassed("setValueCurveAtTime correctly not inserted into timeline.\n");
else
testFailed("setValueCurveAtTime incorrectly still inserted into timeline.\n");
}).then(done);
});
audit.defineTask("start-end", function (done) {
var success = true;
var context = new OfflineAudioContext(1, testDurationFrames, sampleRate);
var g = context.createGain();
var curve = new Float32Array(2);
// Verify that a setValueCurve can start at the end of an automation.
var time = 0;
var timeInterval = testDurationSec / 50;
success = Should("setValueAtTime(1, " + time + ")", function () {
g.gain.setValueAtTime(1, time);
}).notThrow();
time += timeInterval;
success = Should("linearRampToValueAtTime(0, " + time + ")", function () {
g.gain.linearRampToValueAtTime(0, time);
}).notThrow() && success;
// setValueCurve starts at the end of the linear ramp. This should be fine.
success = Should("setValueCurveAtTime(..., " + time + ", " + timeInterval + ")", function () {
g.gain.setValueCurveAtTime(curve, time, timeInterval);
}).notThrow() && success;
// exponentialRamp ending one interval past the setValueCurve should be fine.
time += 2*timeInterval;
success = Should("exponentialRampToValueAtTime(1, " + time + ")", function () {
g.gain.exponentialRampToValueAtTime(1, time);
}).notThrow() && success;
// setValueCurve starts at the end of the exponential ramp. This should be fine.
success = Should("setValueCurveAtTime(..., " + time + ", " + timeInterval + ")", function () {
g.gain.setValueCurveAtTime(curve, time, timeInterval);
}).notThrow() && success;
// setValueCurve at the end of the setValueCurve should be fine.
time += timeInterval;
success = Should("setValueCurveAtTime(..., " + time + ", " + timeInterval + ")", function () {
g.gain.setValueCurveAtTime(curve, time, timeInterval);
}).notThrow() && success;
// setValueAtTime at the end of setValueCurve should be fine.
time += timeInterval;
success = Should("setValueAtTime(0, " + time + ")", function () {
g.gain.setValueAtTime(0, time);
}).notThrow() && success;
// setValueCurve at the end of setValueAtTime should be fine.
success = Should("setValueCurveAtTime(..., " + time + ", " + timeInterval + ")", function () {
g.gain.setValueCurveAtTime(curve, time, timeInterval);
}).notThrow() && success;
// setTarget starting at the end of setValueCurve should be fine.
time += timeInterval;
success = Should("setTargetAtTime(1, " + time + ", 1)", function () {
g.gain.setTargetAtTime(1, time, 1);
}).notThrow() && success;
var prefix = "setValueCurve with adjoining automation functions";
if (success)
testPassed(prefix + " allowed as expected.\n");
else
testFailed(prefix + " unexpectedly signaled errors.\n");
done();
});
audit.defineTask("curve lengths", function (done) {
var success = true;
var context = new OfflineAudioContext(1, testDurationFrames, sampleRate);
var g = context.createGain();
var time = 0;
// Check for invalid curve lengths
success = Should("setValueCurveAtTime([], " + time + ", 0.01)", function () {
g.gain.setValueCurveAtTime(Float32Array.from([]), time, 0.01);
}).throw("InvalidStateError") && success;
success = Should("setValueCurveAtTime([1], " + time + ", 0.01)", function () {
g.gain.setValueCurveAtTime(Float32Array.from([1]), time, 0.01);
}).throw("InvalidStateError") && success;
success = Should("setValueCurveAtTime([1,2], " + time + ", 0.01)", function () {
g.gain.setValueCurveAtTime(Float32Array.from([1,2]), time, 0.01);
}).notThrow() && success;
if (success)
testPassed("Exceptions for curve length correctly handled.\n");
else
testFailed("Exceptions for curve length not correctly handled.\n");
done();
});
audit.defineTask("finish", function (done) {
finishJSTest();
done();
});
audit.runTasks();
successfullyParsed = true;
</script>
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</html>