| <!doctype html> |
| <html> |
| <head> |
| <title>Test Constructor: Gain</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script src="../resources/audio-testing.js"></script> |
| <script src="audionodeoptions.js"></script> |
| </head> |
| |
| <body> |
| <script> |
| var context; |
| |
| var audit = Audit.createTaskRunner(); |
| |
| audit.defineTask("initialize", function (taskDone) { |
| Should("context = new OfflineAudioContext(...)", function () { |
| context = new OfflineAudioContext(1, 1, 48000); |
| }).notThrow(); |
| taskDone(); |
| }); |
| |
| audit.defineTask("invalid constructor", function (taskDone) { |
| var node; |
| var success = true; |
| |
| success = Should("new GainNode()", function () { |
| node = new GainNode(); |
| }).throw("TypeError"); |
| success = Should("new GainNode(1)", function () { |
| node = new GainNode(1); |
| }).throw("TypeError") && success; |
| success = Should("new GainNode(context, 42)", function () { |
| node = new GainNode(context, 42); |
| }).throw("TypeError") && success; |
| |
| Should("Invalid constructors", success) |
| .summarize( |
| "correctly threw errors", |
| "did not throw errors in all cases"); |
| |
| taskDone(); |
| }); |
| |
| audit.defineTask("default constructor", function (taskDone) { |
| var node; |
| var success = true; |
| |
| success = Should("node = new GainNode(context)", function () { |
| node = new GainNode(context); |
| }).notThrow(); |
| success = Should("node instanceof GainNode", |
| node instanceof GainNode) |
| .beEqualTo(true) && success; |
| |
| success = Should("node.gain.value", node.gain.value) |
| .beEqualTo(1) && success; |
| |
| success = Should("node.channelCount", node.channelCount) |
| .beEqualTo(2) && success; |
| success = Should("node.channelCountMode", node.channelCountMode) |
| .beEqualTo("max") && success; |
| success = Should("node.channelInterpretation", node.channelInterpretation) |
| .beEqualTo("speakers") && success; |
| |
| Should("new GainNode(context)", success) |
| .summarize( |
| "constructed node with correct attributes", |
| "did not construct correct node correctly") |
| |
| taskDone(); |
| }); |
| |
| audit.defineTask("test AudioNodeOptions", function (taskDone) { |
| testAudioNodeOptions(context, "GainNode"); |
| taskDone(); |
| }); |
| |
| audit.defineTask("constructor with options", function (taskDone) { |
| var node; |
| var success = true; |
| var options = { |
| gain: -2, |
| }; |
| |
| success = Should("node = new GainNode(c, " + JSON.stringify(options) + ")", function () { |
| node = new GainNode(context, options); |
| }).notThrow(); |
| success = Should("node instanceof GainNode", |
| node instanceof GainNode) |
| .beEqualTo(true) && success; |
| |
| success = Should("node.gain.value", node.gain.value) |
| .beEqualTo(options.gain) && success; |
| |
| success = Should("node.channelCount", node.channelCount) |
| .beEqualTo(2) && success; |
| success = Should("node.channelCountMode", node.channelCountMode) |
| .beEqualTo("max") && success; |
| success = Should("node.channelInterpretation", node.channelInterpretation) |
| .beEqualTo("speakers") && success; |
| |
| Should("new GainNode() with options", success) |
| .summarize( |
| "constructed with correct attributes", |
| "was not constructed correctly"); |
| |
| taskDone(); |
| }); |
| |
| audit.runTasks(); |
| </script> |
| </body> |
| </html> |
