1 files changed, 225 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/DateTimeFormat/field-widths.js b/js/src/tests/non262/Intl/DateTimeFormat/field-widths.js
new file mode 100644
index 0000000000..789d0fdaa6
--- /dev/null
+++ b/js/src/tests/non262/Intl/DateTimeFormat/field-widths.js
@@ -0,0 +1,225 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+const date = new Date(Date.UTC(2021, 1-1, 2, 3, 4, 5, 678));
+
+const tests = [
+  // Standalone 'hour' field.
+  {
+    options: {
+      hour: "numeric",
+    },
+    locales: {
+      "en": "3 AM",
+      "de": "03 Uhr",
+    },
+  },
+  {
+    options: {
+      hour: "2-digit",
+    },
+    locales: {
+      "en": "03 AM",
+      "de": "03 Uhr",
+    },
+  },
+
+  // Standalone 'minute' field.
+  {
+    options: {
+      minute: "numeric",
+    },
+    locales: {
+      "en": "4",
+      "de": "4",
+    },
+  },
+  {
+    options: {
+      minute: "2-digit",
+    },
+    locales: {
+      "en": "04",
+      "de": "04",
+    },
+  },
+
+  // Standalone 'second' field.
+  {
+    options: {
+      second: "numeric",
+    },
+    locales: {
+      "en": "5",
+      "de": "5",
+    },
+  },
+  {
+    options: {
+      second: "2-digit",
+    },
+    locales: {
+      "en": "05",
+      "de": "05",
+    },
+  },
+
+  // 'hour' and 'minute' fields with all possible field width combinations.
+  {
+    options: {
+      hour: "numeric",
+      minute: "numeric",
+    },
+    locales: {
+      "en": "3:04 AM",
+      "de": "03:04",
+    },
+  },
+  {
+    options: {
+      hour: "numeric",
+      minute: "2-digit",
+    },
+    locales: {
+      "en": "3:04 AM",
+      "de": "03:04",
+    },
+  },
+  {
+    options: {
+      hour: "2-digit",
+      minute: "numeric",
+    },
+    locales: {
+      "en": "03:04 AM",
+      "de": "03:04",
+    },
+  },
+  {
+    options: {
+      hour: "2-digit",
+      minute: "2-digit",
+    },
+    locales: {
+      "en": "03:04 AM",
+      "de": "03:04",
+    },
+  },
+
+  // 'minute' and 'second' fields with all possible field width combinations.
+  {
+    options: {
+      minute: "numeric",
+      second: "numeric",
+    },
+    locales: {
+      "en": "04:05",
+      "de": "04:05",
+    },
+  },
+  {
+    options: {
+      minute: "numeric",
+      second: "2-digit",
+    },
+    locales: {
+      "en": "04:05",
+      "de": "04:05",
+    },
+  },
+  {
+    options: {
+      minute: "2-digit",
+      second: "numeric",
+    },
+    locales: {
+      "en": "04:05",
+      "de": "04:05",
+    },
+  },
+  {
+    options: {
+      minute: "2-digit",
+      second: "2-digit",
+    },
+    locales: {
+      "en": "04:05",
+      "de": "04:05",
+    },
+  },
+
+  // Test 'hour' and 'minute' with 'hourCycle=h12'.
+  {
+    options: {
+      hour: "numeric",
+      minute: "numeric",
+      hourCycle: "h12",
+    },
+    locales: {
+      "en": "3:04 AM",
+      "de": "3:04 AM",
+    },
+  },
+  {
+    options: {
+      hour: "2-digit",
+      minute: "2-digit",
+      hourCycle: "h12",
+    },
+    locales: {
+      "en": "03:04 AM",
+      "de": "03:04 AM",
+    },
+  },
+
+  // Test 'hour' and 'minute' with 'hourCycle=h23'.
+  {
+    options: {
+      hour: "numeric",
+      minute: "numeric",
+      hourCycle: "h23",
+    },
+    locales: {
+      "en": "03:04",
+      "de": "03:04",
+    },
+  },
+  {
+    options: {
+      hour: "2-digit",
+      minute: "2-digit",
+      hourCycle: "h23",
+    },
+    locales: {
+      "en": "03:04",
+      "de": "03:04",
+    },
+  },
+];
+
+for (let {options, locales} of tests) {
+  for (let [locale, expected] of Object.entries(locales)) {
+    let dtf = new Intl.DateTimeFormat(locale, {timeZone: "UTC", ...options});
+    assertEq(dtf.format(date), expected);
+  }
+}
+
+const toLocaleTests = {
+  "en": "1/2/2021, 3:04:05 AM",
+  "de": "2.1.2021, 03:04:05",
+};
+
+for (let [locale, expected] of Object.entries(toLocaleTests)) {
+  assertEq(date.toLocaleString(locale, {timeZone: "UTC"}), expected);
+}
+
+const toLocaleTimeTests = {
+  "en": "3:04:05 AM",
+  "de": "03:04:05",
+};
+
+for (let [locale, expected] of Object.entries(toLocaleTimeTests)) {
+  assertEq(date.toLocaleTimeString(locale, {timeZone: "UTC"}), expected);
+}
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0, "ok");