1 files changed, 90 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/NumberFormat/unit-formatToParts-has-unit-field.js b/js/src/tests/non262/Intl/NumberFormat/unit-formatToParts-has-unit-field.js
new file mode 100644
index 0000000000..9292c8ac73
--- /dev/null
+++ b/js/src/tests/non262/Intl/NumberFormat/unit-formatToParts-has-unit-field.js
@@ -0,0 +1,90 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+// Generated by make_intl_data.py. DO NOT EDIT.
+
+const sanctionedSimpleUnitIdentifiers = [
+  "acre",
+  "bit",
+  "byte",
+  "celsius",
+  "centimeter",
+  "day",
+  "degree",
+  "fahrenheit",
+  "fluid-ounce",
+  "foot",
+  "gallon",
+  "gigabit",
+  "gigabyte",
+  "gram",
+  "hectare",
+  "hour",
+  "inch",
+  "kilobit",
+  "kilobyte",
+  "kilogram",
+  "kilometer",
+  "liter",
+  "megabit",
+  "megabyte",
+  "meter",
+  "microsecond",
+  "mile",
+  "mile-scandinavian",
+  "milliliter",
+  "millimeter",
+  "millisecond",
+  "minute",
+  "month",
+  "nanosecond",
+  "ounce",
+  "percent",
+  "petabyte",
+  "pound",
+  "second",
+  "stone",
+  "terabit",
+  "terabyte",
+  "week",
+  "yard",
+  "year"
+];
+
+// Test only English and Chinese to keep the overall runtime reasonable.
+//
+// Chinese is included because it contains more than one "unit" element for
+// certain unit combinations.
+const locales = ["en", "zh"];
+
+// Plural rules for English only differentiate between "one" and "other". Plural
+// rules for Chinese only use "other". That means we only need to test two values
+// per unit.
+const values = [0, 1];
+
+// Ensure unit formatters contain at least one "unit" element.
+
+for (const locale of locales) {
+  for (const unit of sanctionedSimpleUnitIdentifiers) {
+    const nf = new Intl.NumberFormat(locale, {style: "unit", unit});
+
+    for (const value of values) {
+      assertEq(nf.formatToParts(value).some(e => e.type === "unit"), true,
+               `locale=${locale}, unit=${unit}`);
+    }
+  }
+
+  for (const numerator of sanctionedSimpleUnitIdentifiers) {
+    for (const denominator of sanctionedSimpleUnitIdentifiers) {
+      const unit = `${numerator}-per-${denominator}`;
+      const nf = new Intl.NumberFormat(locale, {style: "unit", unit});
+
+      for (const value of values) {
+        assertEq(nf.formatToParts(value).some(e => e.type === "unit"), true,
+                 `locale=${locale}, unit=${unit}`);
+      }
+    }
+  }
+}
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);