зеркало из https://github.com/mozilla/gecko-dev.git
45 строки
1.8 KiB
JavaScript
45 строки
1.8 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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/**
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* Tests if the WebGL context is correctly instrumented every time the
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* target navigates.
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*/
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async function ifWebGLSupported() {
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let { target, front } = await initBackend(SIMPLE_CANVAS_URL);
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front.setup({ reload: true });
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await testHighlighting((await once(front, "program-linked")));
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ok(true, "Canvas was correctly instrumented on the first navigation.");
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reload(target);
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await testHighlighting((await once(front, "program-linked")));
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ok(true, "Canvas was correctly instrumented on the second navigation.");
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reload(target);
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await testHighlighting((await once(front, "program-linked")));
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ok(true, "Canvas was correctly instrumented on the third navigation.");
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await removeTab(target.tab);
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finish();
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function testHighlighting(programActor) {
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return (async function() {
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await ensurePixelIs(front, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true);
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await ensurePixelIs(front, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
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ok(true, "The corner pixel colors are correct before highlighting.");
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await programActor.highlight([0, 1, 0, 1]);
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await ensurePixelIs(front, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true);
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await ensurePixelIs(front, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
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ok(true, "The corner pixel colors are correct after highlighting.");
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await programActor.unhighlight();
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await ensurePixelIs(front, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true);
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await ensurePixelIs(front, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
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ok(true, "The corner pixel colors are correct after unhighlighting.");
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})();
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}
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}
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