dom/browser-element/mochitest/browserElement_BadScreenshot.js

Wed, 31 Dec 2014 06:55:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:55:50 +0100
changeset 2
7e26c7da4463
permissions
-rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

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

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