| <!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 = 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(); |
| |
| 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 = success && Should("linearRampToValueAtTime(1, " + startTime + ")", function () { |
| g.gain.linearRampToValueAtTime(1, startTime); |
| }).notThrow(); |
| |
| startTime += timeInterval; |
| success = success && Should("exponentialRampToValueAtTime(1, " + startTime + ")", function () { |
| g.gain.exponentialRampToValueAtTime(1, startTime); |
| }).notThrow(); |
| |
| startTime += timeInterval; |
| success = success && Should("setTargetAtTime(1, " + startTime + ", 0.1)", function () { |
| g.gain.setTargetAtTime(1, startTime, 0.1); |
| }).notThrow(); |
| |
| startTime += timeInterval; |
| success = success && Should("setValueCurveAtTime(curve, " + startTime + ", 0.1)", function () { |
| g.gain.setValueCurveAtTime(curve, startTime, 0.1); |
| }).notThrow(); |
| |
| // Now try to setValueCurve that overlaps each of the above automations |
| startTime = timeInterval / 2; |
| |
| for (var k = 0; k < 4; ++k) { |
| success = success && Should("setValueCurveAtTime(curve, " + startTime + ", 0.01)", function () { |
| g.gain.setValueCurveAtTime(curve, startTime, 0.01); |
| }).throw("NotSupportedError"); |
| startTime += timeInterval; |
| } |
| |
| 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("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("finish", function (done) { |
| finishJSTest(); |
| done(); |
| }); |
| |
| audit.runTasks(); |
| successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
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