<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1215072 --> <head> <meta charset="utf-8"> <title>Test for Bug 1215072</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <script type="application/javascript"> /** Test for Bug 1215072 **/ try { var gl = document.createElement("canvas") .getContext("webgl", { get stencil() { throw "bah (webgl)"; } }); ok(!gl, "Either should have thrown or not create a webgl context!"); } catch(ex) { is(ex, "bah (webgl)", "Should have thrown an exception."); } try { var c = document.createElement("canvas") .getContext("2d", { get alpha() {throw "bah (2d)"; } }); ok(!c, "Either should have thrown or not create a 2d context!"); } catch(ex) { is(ex, "bah (2d)", "Should have thrown an exception."); } var gl2; try { gl2 = document.createElement("canvas").getContext("webgl", false); gl2 = document.createElement("canvas").getContext("webgl", 123); gl2 = document.createElement("canvas").getContext("webgl", ""); gl2 = document.createElement("canvas").getContext("webgl", undefined); gl2 = document.createElement("canvas").getContext("webgl", null); ok(true, "Shouldn't have thrown an exception!"); } catch(ex) { ok(false, "Shouldn't have thrown an exception " + ex); } var c2; try { c2 = document.createElement("canvas").getContext("2d", false); is(c2.getImageData(1, 1, 1, 1).data[0], 0); is(c2.getImageData(1, 1, 1, 1).data[1], 0); is(c2.getImageData(1, 1, 1, 1).data[2], 0); is(c2.getImageData(1, 1, 1, 1).data[3], 0); c2 = document.createElement("canvas").getContext("2d", 123); c2 = document.createElement("canvas").getContext("2d", ""); c2 = document.createElement("canvas").getContext("2d", undefined); c2 = document.createElement("canvas").getContext("2d", null); ok(true, "Shouldn't have thrown an exception!"); c2 = document.createElement("canvas").getContext("2d", { alpha: false }); is(c2.getImageData(1, 1, 1, 1).data[0], 0); is(c2.getImageData(1, 1, 1, 1).data[1], 0); is(c2.getImageData(1, 1, 1, 1).data[2], 0); is(c2.getImageData(1, 1, 1, 1).data[3], 255); } catch(ex) { ok(false, "Shouldn't have thrown an exception " + ex); } </script> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1215072">Mozilla Bug 1215072</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> </pre> </body> </html>