1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/PlainTime/from/argument-string-time-separators.js b/js/src/tests/test262/built-ins/Temporal/PlainTime/from/argument-string-time-separators.js
new file mode 100644
index 0000000000..2e2645a48e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/PlainTime/from/argument-string-time-separators.js
@@ -0,0 +1,30 @@
+// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.plaintime.from
+description: Time separator in string argument can vary
+features: [Temporal]
+includes: [temporalHelpers.js]
+---*/
+
+const tests = [
+  ["1976-11-18T12:34:56.987654321", "uppercase T"],
+  ["1976-11-18t12:34:56.987654321", "lowercase T"],
+  ["1976-11-18 12:34:56.987654321", "space between date and time"],
+  ["T12:34:56.987654321", "time-only uppercase T"],
+  ["t12:34:56.987654321", "time-only lowercase T"],
+];
+
+tests.forEach(([arg, description]) => {
+  const result = Temporal.PlainTime.from(arg);
+
+  TemporalHelpers.assertPlainTime(
+    result,
+    12, 34, 56, 987, 654, 321,
+    `variant time separators (${description})`
+  );
+});
+
+reportCompare(0, 0);