michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: /**
michael@0:  * Test AudioNode#getParam() / AudioNode#setParam()
michael@0:  */
michael@0: 
michael@0: function spawnTest () {
michael@0:   let [target, debuggee, front] = yield initBackend(SIMPLE_CONTEXT_URL);
michael@0:   let [_, [destNode, oscNode, gainNode]] = yield Promise.all([
michael@0:     front.setup({ reload: true }),
michael@0:     get3(front, "create-node")
michael@0:   ]);
michael@0: 
michael@0:   let freq = yield oscNode.getParam("frequency");
michael@0:   info(typeof freq);
michael@0:   ise(freq, 440, "AudioNode:getParam correctly fetches AudioParam");
michael@0: 
michael@0:   let type = yield oscNode.getParam("type");
michael@0:   ise(type, "sine", "AudioNode:getParam correctly fetches non-AudioParam");
michael@0: 
michael@0:   let type = yield oscNode.getParam("not-a-valid-param");
michael@0:   is(type, undefined, "AudioNode:getParam correctly returns false for invalid param");
michael@0: 
michael@0:   let resSuccess = yield oscNode.setParam("frequency", 220);
michael@0:   let freq = yield oscNode.getParam("frequency");
michael@0:   ise(freq, 220, "AudioNode:setParam correctly sets a `number` AudioParam");
michael@0:   is(resSuccess, undefined, "AudioNode:setParam returns undefined for correctly set AudioParam");
michael@0: 
michael@0:   resSuccess = yield oscNode.setParam("type", "square");
michael@0:   let type = yield oscNode.getParam("type");
michael@0:   ise(type, "square", "AudioNode:setParam correctly sets a `string` non-AudioParam");
michael@0:   is(resSuccess, undefined, "AudioNode:setParam returns undefined for correctly set AudioParam");
michael@0: 
michael@0:   resSuccess = yield oscNode.setParam("type", "\"triangle\"");
michael@0:   type = yield oscNode.getParam("type");
michael@0:   ise(type, "triangle", "AudioNode:setParam correctly removes quotes in `string` non-AudioParam");
michael@0: 
michael@0:   try {
michael@0:     yield oscNode.setParam("frequency", "hello");
michael@0:     ok(false, "setParam with invalid types should throw");
michael@0:   } catch (e) {
michael@0:     ok(/is not a finite floating-point/.test(e.message), "AudioNode:setParam returns error with correct message when attempting an invalid assignment");
michael@0:     is(e.type, "TypeError", "AudioNode:setParam returns error with correct type when attempting an invalid assignment");
michael@0:     freq = yield oscNode.getParam("frequency");
michael@0:     ise(freq, 220, "AudioNode:setParam does not modify value when an error occurs");
michael@0:   }
michael@0: 
michael@0:   yield removeTab(target.tab);
michael@0:   finish();
michael@0: }