The Tor Browser / file comparison
comparison: dom/browser-element/mochitest/browserElement_BadScreenshot.js
dom/browser-element/mochitest/browserElement_BadScreenshot.js
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:b015cfeb7774 |
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| 1 /* Any copyright is dedicated to the public domain. | |
| 2 http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 // Bug 800170 - Test that we get errors when we pass bad arguments to | |
| 5 // mozbrowser's getScreenshot. | |
| 6 "use strict"; | |
| 7 | |
| 8 SimpleTest.waitForExplicitFinish(); | |
| 9 browserElementTestHelpers.setEnabledPref(true); | |
| 10 browserElementTestHelpers.addPermission(); | |
| 11 | |
| 12 var iframe; | |
| 13 var numPendingTests = 0; | |
| 14 | |
| 15 // Call iframe.getScreenshot with the given args. If expectSuccess is true, we | |
| 16 // expect the screenshot's onsuccess handler to fire. Otherwise, we expect | |
| 17 // getScreenshot() to throw an exception. | |
| 18 function checkScreenshotResult(expectSuccess, args) { | |
| 19 var req; | |
| 20 try { | |
| 21 req = iframe.getScreenshot.apply(iframe, args); | |
| 22 } | |
| 23 catch(e) { | |
| 24 ok(!expectSuccess, "getScreenshot(" + JSON.stringify(args) + ") threw an exception."); | |
| 25 return; | |
| 26 } | |
| 27 | |
| 28 numPendingTests++; | |
| 29 req.onsuccess = function() { | |
| 30 ok(expectSuccess, "getScreenshot(" + JSON.stringify(args) + ") succeeded."); | |
| 31 numPendingTests--; | |
| 32 if (numPendingTests == 0) { | |
| 33 SimpleTest.finish(); | |
| 34 } | |
| 35 }; | |
| 36 | |
| 37 // We never expect to see onerror. | |
| 38 req.onerror = function() { | |
| 39 ok(false, "getScreenshot(" + JSON.stringify(args) + ") ran onerror."); | |
| 40 numPendingTests--; | |
| 41 if (numPendingTests == 0) { | |
| 42 SimpleTest.finish(); | |
| 43 } | |
| 44 }; | |
| 45 } | |
| 46 | |
| 47 function runTest() { | |
| 48 iframe = document.createElement('iframe'); | |
| 49 SpecialPowers.wrap(iframe).mozbrowser = true; | |
| 50 document.body.appendChild(iframe); | |
| 51 iframe.src = 'data:text/html,<html>' + | |
| 52 '<body style="background:green">hello</body></html>'; | |
| 53 | |
| 54 iframe.addEventListener('mozbrowserfirstpaint', function() { | |
| 55 // This one should succeed. | |
| 56 checkScreenshotResult(true, [100, 100]); | |
| 57 | |
| 58 // These should fail. | |
| 59 checkScreenshotResult(false, []); | |
| 60 checkScreenshotResult(false, [100]); | |
| 61 checkScreenshotResult(false, ['a', 100]); | |
| 62 checkScreenshotResult(false, [100, 'a']); | |
| 63 checkScreenshotResult(false, [-1, 100]); | |
| 64 checkScreenshotResult(false, [100, -1]); | |
| 65 | |
| 66 if (numPendingTests == 0) { | |
| 67 SimpleTest.finish(); | |
| 68 } | |
| 69 }); | |
| 70 } | |
| 71 | |
| 72 addEventListener('testready', runTest); |
