mirror of
https://github.com/classilla/tenfourfox.git
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77 lines
2.2 KiB
JavaScript
77 lines
2.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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Components.utils.import("resource://gre/modules/NetUtil.jsm");
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Components.utils.import("resource://gre/modules/FileUtils.jsm");
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waitForExplicitFinish();
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const PAGE = "data:text/html,<html><body><input type=\"file\"/></body></html>";
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function writeFile(file, text) {
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return new Promise((resolve) => {
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let converter = Components.classes["@mozilla.org/intl/scriptableunicodeconverter"]
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.createInstance(Components.interfaces.nsIScriptableUnicodeConverter);
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converter.charset = "UTF-8";
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let ostream = FileUtils.openSafeFileOutputStream(file);
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let istream = converter.convertToInputStream(text);
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NetUtil.asyncCopy(istream, ostream, function(status) {
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if (!Components.isSuccessCode(status)) throw 'fail';
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resolve();
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});
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});
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}
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function runFileReader(input, status) {
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return new Promise((resolve) => {
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let fr = new FileReader();
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fr.onload = function() {
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ok(status, "FileReader called onload");
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resolve();
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}
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fr.onerror = function(e) {
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e.preventDefault();
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ok(!status, "FileReader called onerror");
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resolve();
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}
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fr.readAsArrayBuffer(input);
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});
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}
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add_task(function() {
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info("Creating a temporary file...");
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let file = FileUtils.getFile("TmpD", ["bug1238440.txt"]);
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yield writeFile(file, "hello world");
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info("Opening a tab...");
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let tab = gBrowser.addTab(PAGE);
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gBrowser.selectedTab = tab;
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let browser = tab.linkedBrowser;
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yield BrowserTestUtils.browserLoaded(browser);
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info("Populating the form...");
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let doc = browser.contentDocument;
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let input = doc.querySelector('input');
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input.value = file.path;
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info("Running the FileReader...");
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yield runFileReader(input.files[0], true);
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info("Writing the temporary file again...");
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yield writeFile(file, "hello world-----------------------------");
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info("Running the FileReader again...");
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yield runFileReader(input.files[0], false);
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info("Closing the tab...");
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gBrowser.removeTab(gBrowser.selectedTab);
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ok(true, "we didn't crash.");
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});
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