1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/non262/Date/parse-keywords.js b/js/src/tests/non262/Date/parse-keywords.js
new file mode 100644
index 0000000000..c834bbfe0b
--- /dev/null
+++ b/js/src/tests/non262/Date/parse-keywords.js
@@ -0,0 +1,50 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const accepted = {
+  "Sep 26 1995 UT": "1995-09-26T00:00:00Z",
+  "Sep 26 1995 UTC": "1995-09-26T00:00:00Z",
+  "Sep 26 1995 GMT": "1995-09-26T00:00:00Z",
+  "Sep 26 1995 EST": "1995-09-26T00:00:00-0500",
+  "Sep 26 1995 est": "1995-09-26T00:00:00-0500",
+  "Sep 26 1995 10:00 am": "1995-09-26T10:00:00",
+  "Sep 26 1995 10:00 AM": "1995-09-26T10:00:00",
+  "Sep 26 1995 10:00 pm": "1995-09-26T22:00:00",
+  "Sep 26 Thurs 1995 Mon 10:thursday:00": "1995-09-26T10:00:00",
+};
+const rejected = [
+  "Sep 26 1995 G",
+  "Sep 26 1995 GM",
+  "Sep 26 1995 E",
+  "Sep 26 1995 ES",
+  "Sep 26 1995 10:00 a",
+  "Sep 26 1995 10:00 p",
+  "0/zx",
+];
+
+for (const [test, expected] of Object.entries(accepted)) {
+  const testDate = new Date(test);
+  const expectedDate = new Date(expected);
+
+  assertEq(
+    false, isNaN(testDate),
+    `${test} should be accepted.`
+  );
+
+  assertEq(
+    testDate.getTime(), expectedDate.getTime(),
+    `"${test}" should be ${expectedDate} (got ${testDate}).`
+  );
+}
+
+for (const reject of rejected) {
+  assertEq(
+    true, isNaN(new Date(reject)),
+    `"${reject}" should be rejected.`
+  );
+}
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);