1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatToParts/offset-timezone-correct.js b/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatToParts/offset-timezone-correct.js
new file mode 100644
index 0000000000..1ebffa9a77
--- /dev/null
+++ b/js/src/tests/test262/intl402/DateTimeFormat/prototype/formatToParts/offset-timezone-correct.js
@@ -0,0 +1,30 @@
+// Copyright 2023 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-createdatetimeformat
+description: >
+  Tests that formatted hour and minute are correct for offset time zones.
+---*/
+let date = new Date('1995-12-17T03:24:56Z');
+let tests = {
+    '+0301': {hour: "6", minute: "25"},
+    '+1412': {hour: "5", minute: "36"},
+    '+02':   {hour: "5", minute: "24"},
+    '+13:49': {hour: "5", minute: "13"},
+    '-07:56': {hour: "7", minute: "28"},
+    '-12': {hour: "3", minute: "24"},
+    '−0914': {hour: "6", minute: "10"},
+    '−10:03': {hour: "5", minute: "21"},
+    '−0509': {hour: "10", minute: "15"},
+};
+Object.entries(tests).forEach(([timeZone, expected]) => {
+    let df = new Intl.DateTimeFormat("en",
+        {timeZone, timeStyle: "short"});
+    let res = df.formatToParts(date);
+    let hour = res.filter((t) => t.type === "hour")[0].value
+    let minute = res.filter((t) => t.type === "minute")[0].value
+    assert.sameValue(hour, expected.hour, `hour in ${timeZone} time zone:`);
+    assert.sameValue(minute, expected.minute, `minute in ${timeZone} time zone:`);
+});
+
+reportCompare(0, 0);