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-rw-r--r--addon-sdk/source/test/test-l10n-plural-rules.js85
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diff --git a/addon-sdk/source/test/test-l10n-plural-rules.js b/addon-sdk/source/test/test-l10n-plural-rules.js
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+++ b/addon-sdk/source/test/test-l10n-plural-rules.js
@@ -0,0 +1,85 @@
+/* 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/. */
+ "use strict";
+
+const { getRulesForLocale } = require("sdk/l10n/plural-rules");
+
+// For more information, please visit unicode website:
+// http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/language_plural_rules.html
+
+function map(assert, f, n, form) {
+ assert.equal(f(n), form, n + " maps to '" + form + "'");
+}
+
+exports.testFrench = function(assert) {
+ let f = getRulesForLocale("fr");
+ map(assert, f, -1, "other");
+ map(assert, f, 0, "one");
+ map(assert, f, 1, "one");
+ map(assert, f, 1.5, "one");
+ map(assert, f, 2, "other");
+ map(assert, f, 100, "other");
+}
+
+exports.testEnglish = function(assert) {
+ let f = getRulesForLocale("en");
+ map(assert, f, -1, "other");
+ map(assert, f, 0, "other");
+ map(assert, f, 1, "one");
+ map(assert, f, 1.5, "other");
+ map(assert, f, 2, "other");
+ map(assert, f, 100, "other");
+}
+
+exports.testArabic = function(assert) {
+ let f = getRulesForLocale("ar");
+ map(assert, f, -1, "other");
+ map(assert, f, 0, "zero");
+ map(assert, f, 0.5, "other");
+
+ map(assert, f, 1, "one");
+ map(assert, f, 1.5, "other");
+
+ map(assert, f, 2, "two");
+ map(assert, f, 2.5, "other");
+
+ map(assert, f, 3, "few");
+ map(assert, f, 3.5, "few"); // I'd expect it to be 'other', but the unicode.org
+ // algorithm computes 'few'.
+ map(assert, f, 5, "few");
+ map(assert, f, 10, "few");
+ map(assert, f, 103, "few");
+ map(assert, f, 105, "few");
+ map(assert, f, 110, "few");
+ map(assert, f, 203, "few");
+ map(assert, f, 205, "few");
+ map(assert, f, 210, "few");
+
+ map(assert, f, 11, "many");
+ map(assert, f, 50, "many");
+ map(assert, f, 99, "many");
+ map(assert, f, 111, "many");
+ map(assert, f, 150, "many");
+ map(assert, f, 199, "many");
+
+ map(assert, f, 100, "other");
+ map(assert, f, 101, "other");
+ map(assert, f, 102, "other");
+ map(assert, f, 200, "other");
+ map(assert, f, 201, "other");
+ map(assert, f, 202, "other");
+}
+
+exports.testJapanese = function(assert) {
+ // Japanese doesn't have plural forms.
+ let f = getRulesForLocale("ja");
+ map(assert, f, -1, "other");
+ map(assert, f, 0, "other");
+ map(assert, f, 1, "other");
+ map(assert, f, 1.5, "other");
+ map(assert, f, 2, "other");
+ map(assert, f, 100, "other");
+}
+
+require('sdk/test').run(exports);