66 lines
1.5 KiB
HTML
66 lines
1.5 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<meta charset='UTF-8'>
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<script src='/tests/SimpleTest/SimpleTest.js'></script>
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<link rel='stylesheet' href='/tests/SimpleTest/test.css'>
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</head>
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<body>
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<script>
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'use strict';
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function RunWithPrefs(prefPairList, func) {
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var prefEnv = {'set': prefPairList};
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try {
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SpecialPowers.pushPrefEnv(prefEnv, func);
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} catch (e) {
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console.log('Warning: Failed to set prefs: ' + JSON.stringify(prefPairList));
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func();
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}
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}
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////////////////////////////////////////
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function Check(expr, text) {
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ok(expr, text);
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return expr;
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}
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function TestWhenDisabled() {
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var c = document.createElement('canvas');
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var generatedEvent = null;
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var f = function(event) { generatedEvent = event; };
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c.addEventListener('webglcontextcreationerror', f);
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var gl = c.getContext('webgl'); // Should fail.
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do {
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if (!Check(!gl, 'When disabled, context creation should fail.'))
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break;
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if (!Check(generatedEvent, 'Context creation failure should generate an event.'))
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break;
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var reason = generatedEvent.statusMessage;
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if (!Check(reason !== undefined, 'generatedEvent.statusMessage should be defined.'))
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break;
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ok(reason.length, 'statusMessage should be non-empty.');
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} while (false);
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SimpleTest.finish();
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}
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////////////////////////////////////////
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SimpleTest.waitForExplicitFinish();
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var prefPairList = [
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['webgl.disabled', true],
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];
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RunWithPrefs(prefPairList, TestWhenDisabled);
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</script>
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</body>
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</html>
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