browser/devtools/webaudioeditor/test/browser_audionode-actor-get-set-param.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* Any copyright is dedicated to the Public Domain.
michael@0 2 http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0 3
michael@0 4 /**
michael@0 5 * Test AudioNode#getParam() / AudioNode#setParam()
michael@0 6 */
michael@0 7
michael@0 8 function spawnTest () {
michael@0 9 let [target, debuggee, front] = yield initBackend(SIMPLE_CONTEXT_URL);
michael@0 10 let [_, [destNode, oscNode, gainNode]] = yield Promise.all([
michael@0 11 front.setup({ reload: true }),
michael@0 12 get3(front, "create-node")
michael@0 13 ]);
michael@0 14
michael@0 15 let freq = yield oscNode.getParam("frequency");
michael@0 16 info(typeof freq);
michael@0 17 ise(freq, 440, "AudioNode:getParam correctly fetches AudioParam");
michael@0 18
michael@0 19 let type = yield oscNode.getParam("type");
michael@0 20 ise(type, "sine", "AudioNode:getParam correctly fetches non-AudioParam");
michael@0 21
michael@0 22 let type = yield oscNode.getParam("not-a-valid-param");
michael@0 23 is(type, undefined, "AudioNode:getParam correctly returns false for invalid param");
michael@0 24
michael@0 25 let resSuccess = yield oscNode.setParam("frequency", 220);
michael@0 26 let freq = yield oscNode.getParam("frequency");
michael@0 27 ise(freq, 220, "AudioNode:setParam correctly sets a `number` AudioParam");
michael@0 28 is(resSuccess, undefined, "AudioNode:setParam returns undefined for correctly set AudioParam");
michael@0 29
michael@0 30 resSuccess = yield oscNode.setParam("type", "square");
michael@0 31 let type = yield oscNode.getParam("type");
michael@0 32 ise(type, "square", "AudioNode:setParam correctly sets a `string` non-AudioParam");
michael@0 33 is(resSuccess, undefined, "AudioNode:setParam returns undefined for correctly set AudioParam");
michael@0 34
michael@0 35 resSuccess = yield oscNode.setParam("type", "\"triangle\"");
michael@0 36 type = yield oscNode.getParam("type");
michael@0 37 ise(type, "triangle", "AudioNode:setParam correctly removes quotes in `string` non-AudioParam");
michael@0 38
michael@0 39 try {
michael@0 40 yield oscNode.setParam("frequency", "hello");
michael@0 41 ok(false, "setParam with invalid types should throw");
michael@0 42 } catch (e) {
michael@0 43 ok(/is not a finite floating-point/.test(e.message), "AudioNode:setParam returns error with correct message when attempting an invalid assignment");
michael@0 44 is(e.type, "TypeError", "AudioNode:setParam returns error with correct type when attempting an invalid assignment");
michael@0 45 freq = yield oscNode.getParam("frequency");
michael@0 46 ise(freq, 220, "AudioNode:setParam does not modify value when an error occurs");
michael@0 47 }
michael@0 48
michael@0 49 yield removeTab(target.tab);
michael@0 50 finish();
michael@0 51 }

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