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Quelle test_sequence_wrapping.htmlSprache: HTML |
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<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=775852 --> <head> <meta charset="utf-8"> <title>Test for Bug 775852</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=775852">Mozill <p id="display"></p> <iframe id="content" style="display: none"> </iframe> <pre id="test"> <script type="application/javascript"> /** Test for Bug 775852 **/ function doTest() { let win = document.getElementById("content").contentWindow; let doc = win.document; doc.body.innerHTML = `<canvas width="1" height="1" id="c"></canvas>`; let gl = doc.getElementById("c").getContext("experimental-webgl"); if (!gl) { // No WebGL support on MacOS 10.5. Just skip this test todo(false, "WebGL not supported"); return; } var setterCalled = false; var extLength = gl.getSupportedExtensions().length; ok(extLength > 0, "This test won't work right if we have no supported extensions"); win.Object.defineProperty(win.Array.prototype, "0", { set() { setterCalled = true; }, }); // Test that our property got defined correctly let arr = new win.Array(); arr[0] = 5; is(setterCalled, true, "Setter should be called when setting prop on array"); setterCalled = false; is(gl.getSupportedExtensions().length, extLength, "We should still have the same number of extensions"); is(setterCalled, false, "Setter should not be called when getting supported extensions"); } doTest(); </script> </pre> </body> </html>
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2026-07-09