1 files changed, 183 insertions, 0 deletions
diff --git a/toolkit/components/mozintl/test/test_mozintl.js b/toolkit/components/mozintl/test/test_mozintl.js
new file mode 100644
index 0000000000..6941b6913c
--- /dev/null
+++ b/toolkit/components/mozintl/test/test_mozintl.js
@@ -0,0 +1,183 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function run_test() {
+  test_methods_presence();
+  test_methods_calling();
+  test_constructors();
+  test_rtf_formatBestUnit();
+  test_datetimeformat();
+  test_getLanguageDirection();
+
+  ok(true);
+}
+
+function test_methods_presence() {
+  equal(Services.intl.getCalendarInfo instanceof Function, true);
+  equal(Services.intl.getDisplayNamesDeprecated instanceof Function, true);
+  equal(Services.intl.getLocaleDisplayNames instanceof Function, true);
+}
+
+function test_methods_calling() {
+  Services.intl.getCalendarInfo("pl");
+  Services.intl.getDisplayNamesDeprecated("ar", { type: "language" });
+  new Services.intl.DateTimeFormat("fr");
+  new Services.intl.DisplayNames("fr", { type: "language" });
+  new Services.intl.ListFormat("fr");
+  new Services.intl.Locale("fr");
+  new Services.intl.RelativeTimeFormat("fr");
+  ok(true);
+}
+
+function test_constructors() {
+  let constructors = [
+    "Collator",
+    "DateTimeFormat",
+    "ListFormat",
+    "NumberFormat",
+    "PluralRules",
+  ];
+
+  constructors.forEach(constructor => {
+    let obj = new Intl[constructor]();
+    let obj2 = new Services.intl[constructor]();
+
+    equal(typeof obj, typeof obj2);
+  });
+}
+
+function testRTFBestUnit(anchor, value, expected) {
+  let rtf = new Services.intl.RelativeTimeFormat("en-US");
+  deepEqual(rtf.formatBestUnit(new Date(value), { now: anchor }), expected);
+}
+
+function test_rtf_formatBestUnit() {
+  {
+    // format seconds-distant dates
+    let anchor = new Date("2016-04-10 12:00:00");
+    testRTFBestUnit(anchor, "2016-04-10 11:59:01", "59 seconds ago");
+    testRTFBestUnit(anchor, "2016-04-10 12:00:00", "now");
+    testRTFBestUnit(anchor, "2016-04-10 12:00:59", "in 59 seconds");
+  }
+
+  {
+    // format minutes-distant dates
+    let anchor = new Date("2016-04-10 12:00:00");
+    testRTFBestUnit(anchor, "2016-04-10 11:01:00", "59 minutes ago");
+    testRTFBestUnit(anchor, "2016-04-10 11:59", "1 minute ago");
+    testRTFBestUnit(anchor, "2016-04-10 12:01", "in 1 minute");
+    testRTFBestUnit(anchor, "2016-04-10 12:01:59", "in 1 minute");
+    testRTFBestUnit(anchor, "2016-04-10 12:59:59", "in 59 minutes");
+  }
+
+  {
+    // format hours-distant dates
+    let anchor = new Date("2016-04-10 12:00:00");
+    testRTFBestUnit(anchor, "2016-04-10 00:00", "12 hours ago");
+    testRTFBestUnit(anchor, "2016-04-10 13:00", "in 1 hour");
+    testRTFBestUnit(anchor, "2016-04-10 13:59:59", "in 1 hour");
+    testRTFBestUnit(anchor, "2016-04-10 23:59:59", "in 11 hours");
+
+    anchor = new Date("2016-04-10 01:00");
+    testRTFBestUnit(anchor, "2016-04-09 19:00", "6 hours ago");
+    testRTFBestUnit(anchor, "2016-04-09 18:00", "yesterday");
+
+    anchor = new Date("2016-04-10 23:00");
+    testRTFBestUnit(anchor, "2016-04-11 05:00", "in 6 hours");
+    testRTFBestUnit(anchor, "2016-04-11 06:00", "tomorrow");
+
+    anchor = new Date("2016-01-31 23:00");
+    testRTFBestUnit(anchor, "2016-02-01 05:00", "in 6 hours");
+    testRTFBestUnit(anchor, "2016-02-01 07:00", "tomorrow");
+
+    anchor = new Date("2016-12-31 23:00");
+    testRTFBestUnit(anchor, "2017-01-01 05:00", "in 6 hours");
+    testRTFBestUnit(anchor, "2017-01-01 07:00", "tomorrow");
+  }
+
+  {
+    // format days-distant dates
+    let anchor = new Date("2016-04-10 12:00:00");
+    testRTFBestUnit(anchor, "2016-04-01 00:00", "last week");
+    testRTFBestUnit(anchor, "2016-04-05 00:00", "5 days ago");
+    testRTFBestUnit(anchor, "2016-04-09 18:00", "yesterday");
+    testRTFBestUnit(anchor, "2016-04-11 09:00", "tomorrow");
+    testRTFBestUnit(anchor, "2016-04-30 23:59", "in 2 weeks");
+    testRTFBestUnit(anchor, "2016-03-31 23:59", "last week");
+    testRTFBestUnit(anchor, "2016-04-18 23:59", "next week");
+    testRTFBestUnit(anchor, "2016-03-03 23:59", "last month");
+    testRTFBestUnit(anchor, "2016-05-12 00:00", "next month");
+
+    anchor = new Date("2016-04-06 12:00");
+    testRTFBestUnit(anchor, "2016-03-31 23:59", "6 days ago");
+
+    anchor = new Date("2016-04-25 23:00");
+    testRTFBestUnit(anchor, "2016-05-01 00:00", "in 6 days");
+  }
+
+  {
+    // format months-distant dates
+    let anchor = new Date("2016-04-10 12:00:00");
+    testRTFBestUnit(anchor, "2016-01-01 00:00", "3 months ago");
+    testRTFBestUnit(anchor, "2016-03-01 00:00", "last month");
+    testRTFBestUnit(anchor, "2016-05-11 00:00", "next month");
+    testRTFBestUnit(anchor, "2016-12-01 23:59", "in 8 months");
+
+    anchor = new Date("2017-01-12 18:30");
+    testRTFBestUnit(anchor, "2016-12-14 18:30", "last month");
+
+    anchor = new Date("2016-12-14 18:30");
+    testRTFBestUnit(anchor, "2017-01-12 18:30", "next month");
+
+    anchor = new Date("2016-02-28 12:00");
+    testRTFBestUnit(anchor, "2015-12-31 23:59", "2 months ago");
+  }
+
+  {
+    // format year-distant dates
+    let anchor = new Date("2016-04-10 12:00:00");
+    testRTFBestUnit(anchor, "2014-04-01 00:00", "2 years ago");
+    testRTFBestUnit(anchor, "2015-03-01 00:00", "last year");
+    testRTFBestUnit(anchor, "2017-05-01 00:00", "next year");
+    testRTFBestUnit(anchor, "2024-12-01 23:59", "in 8 years");
+
+    anchor = new Date("2017-01-12 18:30");
+    testRTFBestUnit(anchor, "2016-01-01 18:30", "last year");
+    testRTFBestUnit(anchor, "2015-12-29 18:30", "2 years ago");
+
+    anchor = new Date("2016-12-29 18:30");
+    testRTFBestUnit(anchor, "2017-07-12 18:30", "next year");
+    testRTFBestUnit(anchor, "2017-02-12 18:30", "in 2 months");
+    testRTFBestUnit(anchor, "2018-01-02 18:30", "in 2 years");
+
+    testRTFBestUnit(anchor, "2098-01-02 18:30", "in 82 years");
+  }
+}
+
+function test_datetimeformat() {
+  Services.prefs.setStringPref(
+    "intl.date_time.pattern_override.date_long",
+    "yyyy年M月d日"
+  );
+
+  let formatted = new Services.intl.DateTimeFormat("ja", {
+    dateStyle: "long",
+  }).format(new Date("2020-12-08 21:00:05"));
+
+  equal(formatted, "2020年12月8日");
+
+  Services.prefs.clearUserPref("intl.date_time.pattern_override.date_long");
+}
+
+function test_getLanguageDirection() {
+  equal(Services.intl.getScriptDirection("ar"), "rtl");
+  equal(Services.intl.getScriptDirection("ar-EG"), "rtl");
+  equal(Services.intl.getScriptDirection("ckb"), "rtl");
+  equal(Services.intl.getScriptDirection("fa"), "rtl");
+  equal(Services.intl.getScriptDirection("he"), "rtl");
+  equal(Services.intl.getScriptDirection("ur"), "rtl");
+
+  equal(Services.intl.getScriptDirection("en"), "ltr");
+  equal(Services.intl.getScriptDirection("en-US"), "ltr");
+  equal(Services.intl.getScriptDirection("fr"), "ltr");
+}