1 files changed, 106 insertions, 0 deletions
diff --git a/js/src/tests/test262/staging/Temporal/UserTimezone/old/subminute-offset.js b/js/src/tests/test262/staging/Temporal/UserTimezone/old/subminute-offset.js
new file mode 100644
index 0000000000..52d11f3548
--- /dev/null
+++ b/js/src/tests/test262/staging/Temporal/UserTimezone/old/subminute-offset.js
@@ -0,0 +1,106 @@
+// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
+// Copyright (C) 2018 Bloomberg LP. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal-zoneddatetime-objects
+description: sub-minute offset
+features: [Temporal]
+---*/
+
+class SubminuteTimeZone extends Temporal.TimeZone {
+  constructor() {
+    super("UTC");
+  }
+  get id() {
+    return "Custom/Subminute";
+  }
+  toString() {
+    return "Custom/Subminute";
+  }
+  getOffsetNanosecondsFor() {
+    return -1111111111;
+  }
+  getPossibleInstantsFor(dateTime) {
+    var utc = Temporal.TimeZone.from("UTC");
+    var instant = utc.getInstantFor(dateTime);
+    return [instant.add({ nanoseconds: 1111111111 })];
+  }
+  getNextTransition() {
+    return null;
+  }
+  getPreviousTransition() {
+    return null;
+  }
+}
+var obj = new SubminuteTimeZone();
+var inst = Temporal.Instant.fromEpochNanoseconds(0n);
+var dt = new Temporal.PlainDateTime(1976, 11, 18, 15, 23, 30, 123, 456, 789);
+
+// is a time zone
+assert.sameValue(typeof obj, "object")
+
+// .id property
+assert.sameValue(obj.id, "Custom/Subminute")
+
+// .id is not available in from()
+assert.throws(RangeError, () => Temporal.TimeZone.from("Custom/Subminute"));
+assert.throws(RangeError, () => Temporal.TimeZone.from("2020-05-26T16:02:46.251163036-00:00:01.111111111[Custom/Subminute]"));
+
+// has offset string -00:00:01.111111111
+assert.sameValue(obj.getOffsetStringFor(inst), "-00:00:01.111111111")
+
+// converts to DateTime
+var fakeGregorian = {
+  dateAdd() {},
+  dateFromFields() {},
+  dateUntil() {},
+  day() {},
+  dayOfWeek() {},
+  dayOfYear() {},
+  daysInMonth() {},
+  daysInWeek() {},
+  daysInYear() {},
+  fields() {},
+  id: "gregory",
+  inLeapYear() {},
+  mergeFields() {},
+  month() {},
+  monthCode() {},
+  monthDayFromFields() {},
+  monthsInYear() {},
+  weekOfYear() {},
+  year() {},
+  yearMonthFromFields() {},
+  yearOfWeek() {},
+};
+assert.sameValue(`${ obj.getPlainDateTimeFor(inst) }`, "1969-12-31T23:59:58.888888889");
+assert.sameValue(`${ obj.getPlainDateTimeFor(inst, fakeGregorian) }`, "1969-12-31T23:59:58.888888889[u-ca=gregory]");
+
+// converts to Instant
+assert.sameValue(`${ obj.getInstantFor(dt) }`, "1976-11-18T15:23:31.2345679Z");
+
+// converts to string
+assert.sameValue(`${ obj }`, obj.id)
+
+// offset prints with minute precision in instant.toString
+assert.sameValue(inst.toString({ timeZone: obj }), "1969-12-31T23:59:58.888888889+00:00")
+
+// offset prints with minute precision prints in zdt.toString
+var zdt = new Temporal.ZonedDateTime(0n, obj);
+assert.sameValue(zdt.toString(), "1969-12-31T23:59:58.888888889+00:00[Custom/Subminute]");
+
+// has no next transitions
+assert.sameValue(obj.getNextTransition(), null)
+
+// has no previous transitions
+assert.sameValue(obj.getPreviousTransition(), null)
+
+// works in Temporal.Now
+assert(Temporal.Now.plainDateTimeISO(obj) instanceof Temporal.PlainDateTime);
+assert(Temporal.Now.plainDateTime(fakeGregorian, obj) instanceof Temporal.PlainDateTime);
+assert(Temporal.Now.plainDateISO(obj) instanceof Temporal.PlainDate);
+assert(Temporal.Now.plainDate(fakeGregorian, obj) instanceof Temporal.PlainDate);
+assert(Temporal.Now.plainTimeISO(obj) instanceof Temporal.PlainTime);
+
+reportCompare(0, 0);