1 files changed, 104 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/NumberFormat/unit.js b/js/src/tests/non262/Intl/NumberFormat/unit.js
new file mode 100644
index 0000000000..7abc5142e0
--- /dev/null
+++ b/js/src/tests/non262/Intl/NumberFormat/unit.js
@@ -0,0 +1,104 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+
+const {
+    Nan, Inf, Integer, MinusSign, PlusSign, Literal,
+    Unit
+} = NumberFormatParts;
+
+const testcases = [
+    {
+        locale: "en",
+        options: {
+            style: "unit",
+            unit: "meter",
+            unitDisplay: "short",
+        },
+        values: [
+            {value: +0, string: "0 m", parts: [Integer("0"), Literal(" "), Unit("m")]},
+            {value: -0, string: "-0 m", parts: [MinusSign("-"), Integer("0"), Literal(" "), Unit("m")]},
+            {value: 0n, string: "0 m", parts: [Integer("0"), Literal(" "), Unit("m")]},
+
+            {value:   1, string: "1 m", parts: [Integer("1"), Literal(" "), Unit("m")]},
+            {value:  -1, string: "-1 m", parts: [MinusSign("-"), Integer("1"), Literal(" "), Unit("m")]},
+            {value:  1n, string: "1 m", parts: [Integer("1"), Literal(" "), Unit("m")]},
+            {value: -1n, string: "-1 m", parts: [MinusSign("-"), Integer("1"), Literal(" "), Unit("m")]},
+
+            {value:  Infinity, string: "∞ m", parts: [Inf("∞"), Literal(" "), Unit("m")]},
+            {value: -Infinity, string: "-∞ m", parts: [MinusSign("-"), Inf("∞"), Literal(" "), Unit("m")]},
+
+            {value:  NaN, string: "NaN m", parts: [Nan("NaN"), Literal(" "), Unit("m")]},
+            {value: -NaN, string: "NaN m", parts: [Nan("NaN"), Literal(" "), Unit("m")]},
+        ],
+    },
+
+    {
+        locale: "en",
+        options: {
+            style: "unit",
+            unit: "meter",
+            unitDisplay: "narrow",
+        },
+        values: [
+            {value: +0, string: "0m", parts: [Integer("0"), Unit("m")]},
+            {value: -0, string: "-0m", parts: [MinusSign("-"), Integer("0"), Unit("m")]},
+            {value: 0n, string: "0m", parts: [Integer("0"), Unit("m")]},
+
+            {value:   1, string: "1m", parts: [Integer("1"), Unit("m")]},
+            {value:  -1, string: "-1m", parts: [MinusSign("-"), Integer("1"), Unit("m")]},
+            {value:  1n, string: "1m", parts: [Integer("1"), Unit("m")]},
+            {value: -1n, string: "-1m", parts: [MinusSign("-"), Integer("1"), Unit("m")]},
+
+            {value:  Infinity, string: "∞m", parts: [Inf("∞"), Unit("m")]},
+            {value: -Infinity, string: "-∞m", parts: [MinusSign("-"), Inf("∞"), Unit("m")]},
+
+            {value:  NaN, string: "NaNm", parts: [Nan("NaN"), Unit("m")]},
+            {value: -NaN, string: "NaNm", parts: [Nan("NaN"), Unit("m")]},
+        ],
+    },
+
+    {
+        locale: "en",
+        options: {
+            style: "unit",
+            unit: "meter",
+            unitDisplay: "long",
+        },
+        values: [
+            {value: +0, string: "0 meters", parts: [Integer("0"), Literal(" "), Unit("meters")]},
+            {value: -0, string: "-0 meters", parts: [MinusSign("-"), Integer("0"), Literal(" "), Unit("meters")]},
+            {value: 0n, string: "0 meters", parts: [Integer("0"), Literal(" "), Unit("meters")]},
+
+            {value:   1, string: "1 meter", parts: [Integer("1"), Literal(" "), Unit("meter")]},
+            {value:  -1, string: "-1 meter", parts: [MinusSign("-"), Integer("1"), Literal(" "), Unit("meter")]},
+            {value:  1n, string: "1 meter", parts: [Integer("1"), Literal(" "), Unit("meter")]},
+            {value: -1n, string: "-1 meter", parts: [MinusSign("-"), Integer("1"), Literal(" "), Unit("meter")]},
+
+            {value:  Infinity, string: "∞ meters", parts: [Inf("∞"), Literal(" "), Unit("meters")]},
+            {value: -Infinity, string: "-∞ meters", parts: [MinusSign("-"), Inf("∞"), Literal(" "), Unit("meters")]},
+
+            {value:  NaN, string: "NaN meters", parts: [Nan("NaN"), Literal(" "), Unit("meters")]},
+            {value: -NaN, string: "NaN meters", parts: [Nan("NaN"), Literal(" "), Unit("meters")]},
+        ],
+    },
+
+    // Ensure the correct compound unit is automatically selected by ICU. For
+    // example instead of "50 chilometri al orari", 50 km/h should return
+    // "50 chilometri orari" in Italian.
+
+    {
+        locale: "it",
+        options: {
+            style: "unit",
+            unit: "kilometer-per-hour",
+            unitDisplay: "long",
+        },
+        values: [
+            {value: 50, string: "50 chilometri orari", parts: [Integer("50"), Literal(" "), Unit("chilometri orari")]},
+        ],
+    },
+];
+
+runNumberFormattingTestcases(testcases);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);