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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/2d.conformance.requirements.basics.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.conformance.requirements.basics</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.conformance.requirements.basics</h1>
<p class="desc">void methods return undefined</p>
<p class="notes">Defined in "Web IDL" (draft)
<script>
var t = async_test("void methods return undefined");
var t_pass = t.done.bind(t);
var t_fail = t.step_func(function(reason) {
throw reason;
});
t.step(function() {
var canvas = new OffscreenCanvas(100, 50);
var ctx = canvas.getContext('2d');
_assertSame(ctx.save(), undefined, "ctx.save()", "undefined");
_assertSame(ctx.restore(), undefined, "ctx.restore()", "undefined");
_assertSame(ctx.scale(1, 1), undefined, "ctx.scale(1, 1)", "undefined");
_assertSame(ctx.rotate(0), undefined, "ctx.rotate(0)", "undefined");
_assertSame(ctx.translate(0, 0), undefined, "ctx.translate(0, 0)", "undefined");
if (ctx.transform) { // (avoid spurious failures, since the aim here is not to test that all features are supported)
_assertSame(ctx.transform(1, 0, 0, 1, 0, 0), undefined, "ctx.transform(1, 0, 0, 1, 0, 0)", "undefined");
}
if (ctx.setTransform) {
_assertSame(ctx.setTransform(1, 0, 0, 1, 0, 0), undefined, "ctx.setTransform(1, 0, 0, 1, 0, 0)", "undefined");
_assertSame(ctx.setTransform(), undefined, "ctx.setTransform()", "undefined");
}
_assertSame(ctx.clearRect(0, 0, 0, 0), undefined, "ctx.clearRect(0, 0, 0, 0)", "undefined");
_assertSame(ctx.fillRect(0, 0, 0, 0), undefined, "ctx.fillRect(0, 0, 0, 0)", "undefined");
_assertSame(ctx.strokeRect(0, 0, 0, 0), undefined, "ctx.strokeRect(0, 0, 0, 0)", "undefined");
_assertSame(ctx.beginPath(), undefined, "ctx.beginPath()", "undefined");
_assertSame(ctx.closePath(), undefined, "ctx.closePath()", "undefined");
_assertSame(ctx.moveTo(0, 0), undefined, "ctx.moveTo(0, 0)", "undefined");
_assertSame(ctx.lineTo(0, 0), undefined, "ctx.lineTo(0, 0)", "undefined");
_assertSame(ctx.quadraticCurveTo(0, 0, 0, 0), undefined, "ctx.quadraticCurveTo(0, 0, 0, 0)", "undefined");
_assertSame(ctx.bezierCurveTo(0, 0, 0, 0, 0, 0), undefined, "ctx.bezierCurveTo(0, 0, 0, 0, 0, 0)", "undefined");
_assertSame(ctx.arcTo(0, 0, 0, 0, 1), undefined, "ctx.arcTo(0, 0, 0, 0, 1)", "undefined");
_assertSame(ctx.rect(0, 0, 0, 0), undefined, "ctx.rect(0, 0, 0, 0)", "undefined");
_assertSame(ctx.arc(0, 0, 1, 0, 0, true), undefined, "ctx.arc(0, 0, 1, 0, 0, true)", "undefined");
_assertSame(ctx.fill(), undefined, "ctx.fill()", "undefined");
_assertSame(ctx.stroke(), undefined, "ctx.stroke()", "undefined");
_assertSame(ctx.clip(), undefined, "ctx.clip()", "undefined");
if (ctx.fillText) {
_assertSame(ctx.fillText('test', 0, 0), undefined, "ctx.fillText('test', 0, 0)", "undefined");
_assertSame(ctx.strokeText('test', 0, 0), undefined, "ctx.strokeText('test', 0, 0)", "undefined");
}
if (ctx.putImageData) {
_assertSame(ctx.putImageData(ctx.getImageData(0, 0, 1, 1), 0, 0), undefined, "ctx.putImageData(ctx.getImageData(0, 0, 1, 1), 0, 0)", "undefined");
}
_assertSame(ctx.drawImage(canvas, 0, 0, 1, 1, 0, 0, 0, 0), undefined, "ctx.drawImage(canvas, 0, 0, 1, 1, 0, 0, 0, 0)", "undefined");
_assertSame(ctx.createLinearGradient(0, 0, 0, 0).addColorStop(0, 'white'), undefined, "ctx.createLinearGradient(0, 0, 0, 0).addColorStop(0, 'white')", "undefined");
t.done();
});
</script>