| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html> |
| <head> |
| <script src="resources/compatibility.js"></script> |
| <script src="../resources/js-test.js"></script> |
| </head> |
| |
| <body> |
| <script> |
| description("Test exceptional arguments for AudioParam timeline events"); |
| |
| var context; |
| var gain; |
| |
| // For these values, AudioParam methods should throw an error because they are invalid; only |
| // finite values are allowed. |
| var targetValues = [Infinity, -Infinity, NaN]; |
| |
| // For these time values, AudioParam methods should throw an error because they are |
| // invalid. Only finite non-negative values are allowed for any time or time-like parameter. |
| var timeValues = [-1, Infinity, -Infinity, NaN]; |
| |
| // For these duration values, AudioParam methods should throw an error because they are |
| // invalid. Only finite values are allowed for any duration parameter. |
| var durationValues = [-1, Infinity, -Infinity, NaN, 0]; |
| |
| // Just an array for use by setValueCurveAtTime. The length and contents of the array are not |
| // important. |
| var curve = new Float32Array(10); |
| |
| function runTest() { |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| window.jsTestIsAsync = true; |
| |
| context = new AudioContext(); |
| gain = context.createGain(); |
| |
| // Test the value parameter |
| for (value of targetValues) { |
| shouldThrow("gain.gain.setValueAtTime(" + value + ", 1)"); |
| shouldThrow("gain.gain.linearRampToValueAtTime(" + value + ", 1)"); |
| shouldThrow("gain.gain.exponentialRampToValueAtTime(" + value + ", 1)"); |
| shouldThrow("gain.gain.setTargetAtTime(" + value + ", 1, 1)"); |
| } |
| |
| // Test the time parameter |
| for (startTime of timeValues) { |
| shouldThrow("gain.gain.setValueAtTime(1, " + startTime + ")"); |
| shouldThrow("gain.gain.linearRampToValueAtTime(1, " + startTime + ")"); |
| shouldThrow("gain.gain.exponentialRampToValueAtTime(1, " + startTime + ")"); |
| shouldThrow("gain.gain.setTargetAtTime(1, " + startTime + ", 1)"); |
| } |
| |
| // Test time constant |
| for (value of targetValues) { |
| shouldThrow("gain.gain.setTargetAtTime(1, 1, " + value + ")"); |
| } |
| |
| // Test startTime and duration for setValueCurveAtTime |
| for (startTime of timeValues) { |
| shouldThrow("gain.gain.setValueCurveAtTime(curve, " + startTime + ", 1)"); |
| } |
| for (duration of durationValues) { |
| shouldThrow("gain.gain.setValueCurveAtTime(curve, 1, " + duration + ")"); |
| } |
| |
| finishJSTest(); |
| } |
| |
| runTest(); |
| successfullyParsed = true; |
| </script> |
| </body> |
| </html> |
