зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
1.5 KiB
HTML
60 строки
1.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=775852
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 775852</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=775852">Mozilla Bug 775852</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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<canvas width="1" height="1" id="c"></canvas>
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</div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 775852 **/
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function doTest() {
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var gl = $("c").getContext("experimental-webgl");
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if (!gl) {
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// No WebGL support on MacOS 10.5. Just skip this test
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todo(false, "WebGL not supported");
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return;
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}
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var setterCalled = false;
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var extLength = gl.getSupportedExtensions().length;
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ok(extLength > 0,
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"This test won't work right if we have no supported extensions");
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Object.defineProperty(Array.prototype, "0",
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{
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set(val) {
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setterCalled = true;
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},
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});
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// Test that our property got defined correctly
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var arr = [];
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arr[0] = 5;
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is(setterCalled, true, "Setter should be called when setting prop on array");
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setterCalled = false;
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is(gl.getSupportedExtensions().length, extLength,
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"We should still have the same number of extensions");
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is(setterCalled, false,
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"Setter should not be called when getting supported extensions");
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}
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doTest();
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</script>
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</pre>
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</body>
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</html>
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