1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/browser-element/mochitest/browserElement_BadScreenshot.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,72 @@
1.4 +/* Any copyright is dedicated to the public domain.
1.5 + http://creativecommons.org/publicdomain/zero/1.0/ */
1.6 +
1.7 +// Bug 800170 - Test that we get errors when we pass bad arguments to
1.8 +// mozbrowser's getScreenshot.
1.9 +"use strict";
1.10 +
1.11 +SimpleTest.waitForExplicitFinish();
1.12 +browserElementTestHelpers.setEnabledPref(true);
1.13 +browserElementTestHelpers.addPermission();
1.14 +
1.15 +var iframe;
1.16 +var numPendingTests = 0;
1.17 +
1.18 +// Call iframe.getScreenshot with the given args. If expectSuccess is true, we
1.19 +// expect the screenshot's onsuccess handler to fire. Otherwise, we expect
1.20 +// getScreenshot() to throw an exception.
1.21 +function checkScreenshotResult(expectSuccess, args) {
1.22 + var req;
1.23 + try {
1.24 + req = iframe.getScreenshot.apply(iframe, args);
1.25 + }
1.26 + catch(e) {
1.27 + ok(!expectSuccess, "getScreenshot(" + JSON.stringify(args) + ") threw an exception.");
1.28 + return;
1.29 + }
1.30 +
1.31 + numPendingTests++;
1.32 + req.onsuccess = function() {
1.33 + ok(expectSuccess, "getScreenshot(" + JSON.stringify(args) + ") succeeded.");
1.34 + numPendingTests--;
1.35 + if (numPendingTests == 0) {
1.36 + SimpleTest.finish();
1.37 + }
1.38 + };
1.39 +
1.40 + // We never expect to see onerror.
1.41 + req.onerror = function() {
1.42 + ok(false, "getScreenshot(" + JSON.stringify(args) + ") ran onerror.");
1.43 + numPendingTests--;
1.44 + if (numPendingTests == 0) {
1.45 + SimpleTest.finish();
1.46 + }
1.47 + };
1.48 +}
1.49 +
1.50 +function runTest() {
1.51 + iframe = document.createElement('iframe');
1.52 + SpecialPowers.wrap(iframe).mozbrowser = true;
1.53 + document.body.appendChild(iframe);
1.54 + iframe.src = 'data:text/html,<html>' +
1.55 + '<body style="background:green">hello</body></html>';
1.56 +
1.57 + iframe.addEventListener('mozbrowserfirstpaint', function() {
1.58 + // This one should succeed.
1.59 + checkScreenshotResult(true, [100, 100]);
1.60 +
1.61 + // These should fail.
1.62 + checkScreenshotResult(false, []);
1.63 + checkScreenshotResult(false, [100]);
1.64 + checkScreenshotResult(false, ['a', 100]);
1.65 + checkScreenshotResult(false, [100, 'a']);
1.66 + checkScreenshotResult(false, [-1, 100]);
1.67 + checkScreenshotResult(false, [100, -1]);
1.68 +
1.69 + if (numPendingTests == 0) {
1.70 + SimpleTest.finish();
1.71 + }
1.72 + });
1.73 +}
1.74 +
1.75 +addEventListener('testready', runTest);
