1 files changed, 109 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/DateTimeFormat/format-timeZone-offset.js b/js/src/tests/non262/Intl/DateTimeFormat/format-timeZone-offset.js
new file mode 100644
index 0000000000..ed28a52c69
--- /dev/null
+++ b/js/src/tests/non262/Intl/DateTimeFormat/format-timeZone-offset.js
@@ -0,0 +1,109 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+const {
+  Hour, Minute, Literal, TimeZoneName,
+} = DateTimeFormatParts;
+
+const tests = {
+  "en": [
+    {
+      date: 0,
+      timeZone: "-23",
+      options: {hour: "numeric", minute: "numeric", hour12: false},
+      timeZoneNames: {
+        short: [Hour("01"), Literal(":"), Minute("00"), Literal(" "), TimeZoneName("GMT-23")],
+        shortOffset: "short",
+        shortGeneric: "short",
+        long: [Hour("01"), Literal(":"), Minute("00"), Literal(" "), TimeZoneName("GMT-23:00")],
+        longOffset: "long",
+        longGeneric: "long",
+      },
+    },
+    {
+      date: 0,
+      timeZone: "+23:59",
+      options: {hour: "numeric", minute: "numeric", hour12: false},
+      timeZoneNames: {
+        short: [Hour("23"), Literal(":"), Minute("59"), Literal(" "), TimeZoneName("GMT+23:59")],
+        shortOffset: "short",
+        shortGeneric: "short",
+        long: [Hour("23"), Literal(":"), Minute("59"), Literal(" "), TimeZoneName("GMT+23:59")],
+        longOffset: "long",
+        longGeneric: "long",
+      },
+    },
+  ],
+  "fr": [
+    {
+      date: 0,
+      timeZone: "-23",
+      options: {hour: "numeric", minute: "numeric", hour12: false},
+      timeZoneNames: {
+        short: [Hour("01"), Literal(":"), Minute("00"), Literal(" "), TimeZoneName("UTC\u{2212}23")],
+        shortOffset: "short",
+        shortGeneric: "short",
+        long: [Hour("01"), Literal(":"), Minute("00"), Literal(" "), TimeZoneName("UTC\u{2212}23:00")],
+        longOffset: "long",
+        longGeneric: "long",
+      },
+    },
+    {
+      date: 0,
+      timeZone: "+23:59",
+      options: {hour: "numeric", minute: "numeric", hour12: false},
+      timeZoneNames: {
+        short: [Hour("23"), Literal(":"), Minute("59"), Literal(" "), TimeZoneName("UTC+23:59")],
+        shortOffset: "short",
+        shortGeneric: "short",
+        long: [Hour("23"), Literal(":"), Minute("59"), Literal(" "), TimeZoneName("UTC+23:59")],
+        longOffset: "long",
+        longGeneric: "long",
+      },
+    },
+  ],
+  "ar": [
+    {
+      date: 0,
+      timeZone: "+13:37",
+      options: {hour: "numeric", minute: "numeric", hour12: false},
+      timeZoneNames: {
+        short: [Hour("١٣"), Literal(":"), Minute("٣٧"), Literal(" "), TimeZoneName("غرينتش+١٣:٣٧")],
+        shortOffset: "short",
+        shortGeneric: "short",
+        long: "short",
+        longOffset: "short",
+        longGeneric: "short",
+      },
+    },
+  ],
+  "zh": [
+    {
+      date: 0,
+      timeZone: "+23:59",
+      options: {hour: "numeric", minute: "numeric", hour12: false},
+      timeZoneNames: {
+        short: [TimeZoneName("GMT+23:59"), Literal(" "), Hour("23"), Literal(":"), Minute("59")],
+        shortOffset: "short",
+        shortGeneric: "short",
+        long: "short",
+        longOffset: "short",
+        longGeneric: "short",
+      },
+    },
+  ],
+};
+
+for (let [locale, formats] of Object.entries(tests)) {
+  for (let {date, timeZone, options, timeZoneNames} of formats) {
+    for (let [timeZoneName, format] of Object.entries(timeZoneNames)) {
+      let df = new Intl.DateTimeFormat(locale, {timeZone, timeZoneName, ...options});
+      if (typeof format === "string") {
+        format = timeZoneNames[format];
+      }
+      assertParts(df, date, format);
+    }
+  }
+}
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0, "ok");