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Diffstat (limited to 'testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-exceptional-values.html')
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diff --git a/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-exceptional-values.html b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-exceptional-values.html new file mode 100644 index 0000000000..982731d338 --- /dev/null +++ b/testing/web-platform/tests/webaudio/the-audio-api/the-audioparam-interface/audioparam-exceptional-values.html @@ -0,0 +1,240 @@ +<!DOCTYPE html> +<html> + <head> + <title> + audioparam-exceptional-values.html + </title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="/webaudio/resources/audit-util.js"></script> + <script src="/webaudio/resources/audit.js"></script> + </head> + <body> + <script id="layout-test-code"> + let audit = Audit.createTaskRunner(); + + // Context to use for all of the tests. The context isn't used for any + // processing; just need one for creating a gain node, which is used for + // all the tests. + let context; + + // For these values, AudioParam methods should throw a Typeerror because + // they are not finite values. + let nonFiniteValues = [Infinity, -Infinity, NaN]; + + audit.define('initialize', (task, should) => { + should(() => { + // Context for testing. Rendering isn't done, so any valid values can + // be used here so might as well make them small. + context = new OfflineAudioContext(1, 1, 8000); + }, 'Creating context for testing').notThrow(); + + task.done(); + }); + + audit.define( + { + label: 'test value', + description: 'Test non-finite arguments for AudioParam value' + }, + (task, should) => { + let gain = context.createGain(); + + // Default method for generating the arguments for an automation + // method for testing the value of the automation. + let defaultFuncArg = (value) => [value, 1]; + + // Test the value parameter + doTests(should, gain, TypeError, nonFiniteValues, [ + {automationName: 'setValueAtTime', funcArg: defaultFuncArg}, { + automationName: 'linearRampToValueAtTime', + funcArg: defaultFuncArg + }, + { + automationName: 'exponentialRampToValueAtTime', + funcArg: defaultFuncArg + }, + { + automationName: 'setTargetAtTime', + funcArg: (value) => [value, 1, 1] + } + ]); + task.done(); + }); + + audit.define( + { + label: 'test time', + description: 'Test non-finite arguments for AudioParam time' + }, + (task, should) => { + let gain = context.createGain(); + + // Default method for generating the arguments for an automation + // method for testing the time parameter of the automation. + let defaultFuncArg = (startTime) => [1, startTime]; + + // Test the time parameter + doTests(should, gain, TypeError, nonFiniteValues, [ + {automationName: 'setValueAtTime', funcArg: defaultFuncArg}, + { + automationName: 'linearRampToValueAtTime', + funcArg: defaultFuncArg + }, + { + automationName: 'exponentialRampToValueAtTime', + funcArg: defaultFuncArg + }, + // Test start time for setTarget + { + automationName: 'setTargetAtTime', + funcArg: (startTime) => [1, startTime, 1] + }, + // Test time constant for setTarget + { + automationName: 'setTargetAtTime', + funcArg: (timeConstant) => [1, 1, timeConstant] + }, + ]); + + task.done(); + }); + + audit.define( + { + label: 'test setValueCurve', + description: 'Test non-finite arguments for setValueCurveAtTime' + }, + (task, should) => { + let gain = context.createGain(); + + // Just an array for use by setValueCurveAtTime. The length and + // contents of the array are not important. + let curve = new Float32Array(3); + + doTests(should, gain, TypeError, nonFiniteValues, [ + { + automationName: 'setValueCurveAtTime', + funcArg: (startTime) => [curve, startTime, 1] + }, + ]); + + // Non-finite values for the curve should signal an error + doTests( + should, gain, TypeError, + [[1, 2, Infinity, 3], [1, NaN, 2, 3]], [{ + automationName: 'setValueCurveAtTime', + funcArg: (c) => [c, 1, 1] + }]); + + task.done(); + }); + + audit.define( + { + label: 'special cases 1', + description: 'Test exceptions for finite values' + }, + (task, should) => { + let gain = context.createGain(); + + // Default method for generating the arguments for an automation + // method for testing the time parameter of the automation. + let defaultFuncArg = (startTime) => [1, startTime]; + + // Test the time parameter + let curve = new Float32Array(3); + doTests(should, gain, RangeError, [-1], [ + {automationName: 'setValueAtTime', funcArg: defaultFuncArg}, + { + automationName: 'linearRampToValueAtTime', + funcArg: defaultFuncArg + }, + { + automationName: 'exponentialRampToValueAtTime', + funcArg: defaultFuncArg + }, + { + automationName: 'setTargetAtTime', + funcArg: (startTime) => [1, startTime, 1] + }, + // Test time constant + { + automationName: 'setTargetAtTime', + funcArg: (timeConstant) => [1, 1, timeConstant] + }, + // startTime and duration for setValueCurve + { + automationName: 'setValueCurveAtTime', + funcArg: (startTime) => [curve, startTime, 1] + }, + { + automationName: 'setValueCurveAtTime', + funcArg: (duration) => [curve, 1, duration] + }, + ]); + + // Two final tests for setValueCurve: duration must be strictly + // positive. + should( + () => gain.gain.setValueCurveAtTime(curve, 1, 0), + 'gain.gain.setValueCurveAtTime(curve, 1, 0)') + .throw(RangeError); + should( + () => gain.gain.setValueCurveAtTime(curve, 1, -1), + 'gain.gain.setValueCurveAtTime(curve, 1, -1)') + .throw(RangeError); + + task.done(); + }); + + audit.define( + { + label: 'special cases 2', + description: 'Test special cases for expeonentialRamp' + }, + (task, should) => { + let gain = context.createGain(); + + doTests(should, gain, RangeError, [0, -1e-100, 1e-100], [{ + automationName: 'exponentialRampToValueAtTime', + funcArg: (value) => [value, 1] + }]); + + task.done(); + }); + + audit.run(); + + // Run test over the set of values in |testValues| for all of the + // automation methods in |testMethods|. The expected error type is + // |errorName|. |testMethods| is an array of dictionaries with attributes + // |automationName| giving the name of the automation method to be tested + // and |funcArg| being a function of one parameter that produces an array + // that will be used as the argument to the automation method. + function doTests(should, node, errorName, testValues, testMethods) { + testValues.forEach(value => { + testMethods.forEach(method => { + let args = method.funcArg(value); + let message = 'gain.gain.' + method.automationName + '(' + + argString(args) + ')'; + should(() => node.gain[method.automationName](...args), message) + .throw(errorName); + }); + }); + } + + // Specialized printer for automation arguments so that messages make + // sense. We assume the first element is either a number or an array. If + // it's an array, there are always three elements, and we want to print + // out the brackets for the array argument. + function argString(arg) { + if (typeof(arg[0]) === 'number') { + return arg.toString(); + } + + return '[' + arg[0] + '],' + arg[1] + ',' + arg[2]; + } + </script> + </body> +</html> |