1 files changed, 77 insertions, 0 deletions
diff --git a/js/src/tests/Intl/Date/toLocaleDateString_timeZone.js b/js/src/tests/Intl/Date/toLocaleDateString_timeZone.js
new file mode 100644
index 000000000..47b77dbe8
--- /dev/null
+++ b/js/src/tests/Intl/Date/toLocaleDateString_timeZone.js
@@ -0,0 +1,77 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+const defaultLocale = "en-US";
+const defaultDate = Date.UTC(2012, 12-1, 6, 12, 0, 0);
+const defaultOptions = { timeZoneName: "short" };
+
+const tests = [
+    {
+        timeZone: "UTC",
+        result: "12/6/2012, GMT",
+    },
+    {
+        timeZone: "America/Los_Angeles",
+        result: "12/6/2012, PST",
+    },
+    {
+        timeZone: "Europe/Berlin", locale: "de",
+        options: { timeZoneName: "short" },
+        result: "6.12.2012, MEZ",
+    },
+    {
+        timeZone: "Europe/Paris", locale: "fr",
+        options: { timeZoneName: "long" },
+        result: "06/12/2012 à heure normale d’Europe centrale",
+    },
+    {
+        timeZone: "Asia/Shanghai", locale: "zh-Hans-CN",
+        options: { timeZoneName: "long" },
+        result: "2012/12/6 中国标准时间",
+    },
+    {
+        timeZone: { toString: () => "Australia/Melbourne" }, locale: "en-AU",
+        result: "06/12/2012, AEDT",
+    },
+];
+
+for (let {timeZone, result, locale = defaultLocale, date = defaultDate, options = defaultOptions} of tests) {
+    let s = new Date(date).toLocaleDateString(locale, Object.assign({timeZone}, options));
+    assertEq(s, result);
+}
+
+
+// |undefined| or absent "timeZone" option selects the default time zone.
+{
+    let locale = defaultLocale;
+    let date = defaultDate;
+    let options = defaultOptions;
+
+    let absentTz = new Date(date).toLocaleDateString(locale, Object.assign({}, options));
+    let undefinedTz = new Date(date).toLocaleDateString(locale, Object.assign({timeZone: undefined}, options));
+    assertEq(undefinedTz, absentTz);
+}
+
+
+// RangeError is thrown for invalid time zone names.
+for (let timeZone of ["", "undefined", "UTC\0", "Vienna", "Africa", "America/NewYork"]) {
+    assertThrowsInstanceOf(() => {
+        new Date(defaultDate).toLocaleDateString(undefined, {timeZone});
+    }, RangeError);
+}
+
+// RangeError is thrown for these values, because ToString(<value>)
+// isn't a valid time zone name.
+for (let timeZone of [null, 0, 0.5, true, false, [], {}, function() {}]) {
+    assertThrowsInstanceOf(() => {
+        new Date(defaultDate).toLocaleDateString(undefined, {timeZone});
+    }, RangeError);
+}
+
+// ToString(<symbol>) throws TypeError.
+assertThrowsInstanceOf(() => {
+    new Date(defaultDate).toLocaleDateString(undefined, {timeZone: Symbol()});
+}, TypeError);
+
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0, "ok");