1 files changed, 71 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/NumberFormat/prototype/format/unit-ja-JP.js b/js/src/tests/test262/intl402/NumberFormat/prototype/format/unit-ja-JP.js
new file mode 100644
index 0000000000..2fc6c38a37
--- /dev/null
+++ b/js/src/tests/test262/intl402/NumberFormat/prototype/format/unit-ja-JP.js
@@ -0,0 +1,71 @@
+// Copyright 2019 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.numberformat.prototype.format
+description: Checks handling of the unit style.
+locale: [ja-JP]
+features: [Intl.NumberFormat-unified]
+---*/
+
+
+const tests = [
+  [
+    -987,
+    {
+      "short": "-987 km/h",
+      "narrow": "-987km/h",
+      "long": "時速 -987 キロメートル",
+    }
+  ],
+  [
+    -0.001,
+    {
+      "short": "-0.001 km/h",
+      "narrow": "-0.001km/h",
+      "long": "時速 -0.001 キロメートル",
+    }
+  ],
+  [
+    -0,
+    {
+      "short": "-0 km/h",
+      "narrow": "-0km/h",
+      "long": "時速 -0 キロメートル",
+    }
+  ],
+  [
+    0,
+    {
+      "short": "0 km/h",
+      "narrow": "0km/h",
+      "long": "時速 0 キロメートル",
+    }
+  ],
+  [
+    0.001,
+    {
+      "short": "0.001 km/h",
+      "narrow": "0.001km/h",
+      "long": "時速 0.001 キロメートル",
+    }
+  ],
+  [
+    987,
+    {
+      "short": "987 km/h",
+      "narrow": "987km/h",
+      "long": "時速 987 キロメートル",
+    }
+  ],
+];
+
+for (const [number, expectedData] of tests) {
+  for (const [unitDisplay, expected] of Object.entries(expectedData)) {
+    const nf = new Intl.NumberFormat("ja-JP", { style: "unit", unit: "kilometer-per-hour", unitDisplay });
+    assert.sameValue(nf.format(number), expected);
+  }
+}
+
+
+reportCompare(0, 0);