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73 lines
2.0 KiB
JavaScript
73 lines
2.0 KiB
JavaScript
/* Any copyright is dedicated to the public domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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// Bug 800170 - Test that we get errors when we pass bad arguments to
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// mozbrowser's getScreenshot.
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"use strict";
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SimpleTest.waitForExplicitFinish();
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browserElementTestHelpers.setEnabledPref(true);
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browserElementTestHelpers.addPermission();
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var iframe;
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var numPendingTests = 0;
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// Call iframe.getScreenshot with the given args. If expectSuccess is true, we
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// expect the screenshot's onsuccess handler to fire. Otherwise, we expect
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// getScreenshot() to throw an exception.
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function checkScreenshotResult(expectSuccess, args) {
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var req;
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try {
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req = iframe.getScreenshot.apply(iframe, args);
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}
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catch(e) {
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ok(!expectSuccess, "getScreenshot(" + JSON.stringify(args) + ") threw an exception.");
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return;
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}
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numPendingTests++;
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req.onsuccess = function() {
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ok(expectSuccess, "getScreenshot(" + JSON.stringify(args) + ") succeeded.");
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numPendingTests--;
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if (numPendingTests == 0) {
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SimpleTest.finish();
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}
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};
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// We never expect to see onerror.
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req.onerror = function() {
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ok(false, "getScreenshot(" + JSON.stringify(args) + ") ran onerror.");
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numPendingTests--;
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if (numPendingTests == 0) {
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SimpleTest.finish();
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}
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};
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}
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function runTest() {
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iframe = document.createElement('iframe');
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iframe.setAttribute('mozbrowser', 'true');
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document.body.appendChild(iframe);
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iframe.src = 'data:text/html,<html>' +
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'<body style="background:green">hello</body></html>';
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iframe.addEventListener('mozbrowserfirstpaint', function() {
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// This one should succeed.
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checkScreenshotResult(true, [100, 100]);
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// These should fail.
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checkScreenshotResult(false, []);
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checkScreenshotResult(false, [100]);
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checkScreenshotResult(false, ['a', 100]);
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checkScreenshotResult(false, [100, 'a']);
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checkScreenshotResult(false, [-1, 100]);
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checkScreenshotResult(false, [100, -1]);
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if (numPendingTests == 0) {
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SimpleTest.finish();
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}
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});
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}
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addEventListener('testready', runTest);
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