mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
36 lines
1.4 KiB
HTML
36 lines
1.4 KiB
HTML
<!DOCTYPE HTML>
|
|
<title>Canvas test: 2d.composite.globalAlpha.invalid</title>
|
|
<script src="/MochiKit/packed.js"></script>
|
|
<script src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
|
|
<body>
|
|
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
|
|
<script>
|
|
|
|
SimpleTest.waitForExplicitFinish();
|
|
MochiKit.DOM.addLoadEvent(function () {
|
|
|
|
var canvas = document.getElementById('c');
|
|
var ctx = canvas.getContext('2d');
|
|
|
|
ctx.globalAlpha = 0.5;
|
|
var a = ctx.globalAlpha; // might not be exactly 0.5, if it is rounded/quantised, so remember for future comparisons
|
|
var _thrown = undefined; try {
|
|
ctx.globalAlpha = Infinity;
|
|
} catch (e) { _thrown = e }; todo(_thrown && _thrown.code == DOMException.NOT_SUPPORTED_ERR, "should throw NOT_SUPPORTED_ERR");
|
|
ok(ctx.globalAlpha == a, "ctx.globalAlpha == a");
|
|
var _thrown = undefined; try {
|
|
ctx.globalAlpha = -Infinity;
|
|
} catch (e) { _thrown = e }; todo(_thrown && _thrown.code == DOMException.NOT_SUPPORTED_ERR, "should throw NOT_SUPPORTED_ERR");
|
|
ok(ctx.globalAlpha == a, "ctx.globalAlpha == a");
|
|
var _thrown = undefined; try {
|
|
ctx.globalAlpha = NaN;
|
|
} catch (e) { _thrown = e }; todo(_thrown && _thrown.code == DOMException.NOT_SUPPORTED_ERR, "should throw NOT_SUPPORTED_ERR");
|
|
ok(ctx.globalAlpha == a, "ctx.globalAlpha == a");
|
|
|
|
SimpleTest.finish();
|
|
|
|
});
|
|
</script>
|
|
|