fune/toolkit/modules/tests/browser/browser_Finder_hidden_textarea.js
2017-10-15 20:50:39 +01:00

52 lines
2 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
add_task(async function test_bug1174036() {
const URI =
"<body><textarea>e1</textarea><textarea>e2</textarea><textarea>e3</textarea></body>";
await BrowserTestUtils.withNewTab({ gBrowser, url: "data:text/html;charset=utf-8," + encodeURIComponent(URI) },
async function(browser) {
// Hide the first textarea.
await ContentTask.spawn(browser, null, function() {
content.document.getElementsByTagName("textarea")[0].style.display = "none";
});
let finder = browser.finder;
let listener = {
onFindResult() {
ok(false, "callback wasn't replaced");
}
};
finder.addResultListener(listener);
function waitForFind() {
return new Promise(resolve => {
listener.onFindResult = resolve;
});
}
// Find the first 'e' (which should be in the second textarea).
let promiseFind = waitForFind();
finder.fastFind("e", false, false);
let findResult = await promiseFind;
is(findResult.result, Ci.nsITypeAheadFind.FIND_FOUND, "find first string");
let firstRect = findResult.rect;
// Find the second 'e' (in the third textarea).
promiseFind = waitForFind();
finder.findAgain(false, false, false);
findResult = await promiseFind;
is(findResult.result, Ci.nsITypeAheadFind.FIND_FOUND, "find second string");
ok(!findResult.rect.equals(firstRect), "found new string");
// Ensure that we properly wrap to the second textarea.
promiseFind = waitForFind();
finder.findAgain(false, false, false);
findResult = await promiseFind;
is(findResult.result, Ci.nsITypeAheadFind.FIND_WRAPPED, "wrapped to first string");
ok(findResult.rect.equals(firstRect), "wrapped to original string");
finder.removeResultListener(listener);
});
});