1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Date/prototype/toUTCString/format.js b/js/src/tests/test262/built-ins/Date/prototype/toUTCString/format.js
new file mode 100644
index 0000000000..54d3c07b1b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Date/prototype/toUTCString/format.js
@@ -0,0 +1,20 @@
+// Copyright (C) 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-date.prototype.toutcstring
+description: Test the format of the date from toUTCString
+info: |
+  Date.prototype.toUTCString ( )
+
+  4. Return the String value formed by concatenating DateString(_tv_, `", "`), `" "`, and TimeString(_tv_).
+---*/
+
+let utcRegExp = /^(Sun|Mon|Tue|Wed|Thu|Fri|Sat), [0-9]{2} (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) [0-9]{4} [0-9]{2}:[0-9]{2}:[0-9]{2} GMT$/
+let match = utcRegExp.exec(new Date().toUTCString());
+assert.notSameValue(null, match);
+
+// Years are padded to the left with zeroes
+assert.sameValue('Wed, 01 Jan 0020 00:00:00 GMT', new Date('0020-01-01T00:00:00Z').toUTCString());
+
+reportCompare(0, 0);