gecko-dev/addon-sdk/source/test/test-app-strings.js

63 строки
2.5 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/. */
const { Cc,Ci } = require("chrome");
let StringBundle = require("sdk/deprecated/app-strings").StringBundle;
exports.testStringBundle = function(test) {
let url = "chrome://global/locale/security/caps.properties";
let strings = StringBundle(url);
test.assertEqual(strings.url, url,
"'url' property contains correct URL of string bundle");
let appLocale = Cc["@mozilla.org/intl/nslocaleservice;1"].
getService(Ci.nsILocaleService).
getApplicationLocale();
let stringBundle = Cc["@mozilla.org/intl/stringbundle;1"].
getService(Ci.nsIStringBundleService).
createBundle(url, appLocale);
let (name = "CheckMessage") {
test.assertEqual(strings.get(name), stringBundle.GetStringFromName(name),
"getting a string returns the string");
}
let (name = "CreateWrapperDenied", args = ["foo"]) {
test.assertEqual(strings.get(name, args),
stringBundle.formatStringFromName(name, args, args.length),
"getting a formatted string returns the formatted string");
}
test.assertRaises(function () strings.get("nonexistentString"),
"String 'nonexistentString' could not be retrieved from " +
"the bundle due to an unknown error (it doesn't exist?).",
"retrieving a nonexistent string throws an exception");
let a = [], b = [];
let enumerator = stringBundle.getSimpleEnumeration();
while (enumerator.hasMoreElements()) {
let elem = enumerator.getNext().QueryInterface(Ci.nsIPropertyElement);
a.push([elem.key, elem.value]);
}
for (let key in strings)
b.push([ key, strings.get(key) ]);
// Sort the arrays, because we don't assume enumeration has a set order.
// Sort compares [key, val] as string "key,val", which sorts the way we want
// it to, so there is no need to provide a custom compare function.
a.sort();
b.sort();
test.assertEqual(a.length, b.length,
"the iterator returns the correct number of items");
for (let i = 0; i < a.length; i++) {
test.assertEqual(a[i][0], b[i][0], "the iterated string's name is correct");
test.assertEqual(a[i][1], b[i][1],
"the iterated string's value is correct");
}
};