1 files changed, 72 insertions, 0 deletions
diff --git a/js/src/tests/test262/annexB/language/literals/regexp/legacy-octal-escape.js b/js/src/tests/test262/annexB/language/literals/regexp/legacy-octal-escape.js
new file mode 100644
index 0000000000..6bba0756c3
--- /dev/null
+++ b/js/src/tests/test262/annexB/language/literals/regexp/legacy-octal-escape.js
@@ -0,0 +1,72 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-regular-expressions-patterns
+description: Legacy Octal Escape Sequence
+info: |
+    CharacterEscape[U] ::
+        ControlEscape
+        c ControlLetter
+        0 [lookahead ∉ DecimalDigit]
+        HexEscapeSequence
+        RegExpUnicodeEscapeSequence[?U]
+        [~U] LegacyOctalEscapeSequence
+        IdentityEscape[?U]
+
+    LegacyOctalEscapeSequence ::
+        OctalDigit [lookahead ∉ OctalDigit]
+        ZeroToThree OctalDigit [lookahead ∉ OctalDigit]
+        FourToSeven OctalDigit
+        ZeroToThree OctalDigit OctalDigit
+
+    The production CharacterEscape :: LegacyOctalEscapeSequence evaluates by
+    evaluating the SV of the LegacyOctalEscapeSequence and returning its
+    character result.
+---*/
+
+assert.sameValue(/\1/.exec('\x01')[0], '\x01', '\\1');
+assert.sameValue(/\2/.exec('\x02')[0], '\x02', '\\2');
+assert.sameValue(/\3/.exec('\x03')[0], '\x03', '\\3');
+assert.sameValue(/\4/.exec('\x04')[0], '\x04', '\\4');
+assert.sameValue(/\5/.exec('\x05')[0], '\x05', '\\5');
+assert.sameValue(/\6/.exec('\x06')[0], '\x06', '\\6');
+assert.sameValue(/\7/.exec('\x07')[0], '\x07', '\\7');
+
+assert.sameValue(/\00/.exec('\x00')[0], '\x00', '\\00');
+assert.sameValue(/\07/.exec('\x07')[0], '\x07', '\\07');
+
+assert.sameValue(/\30/.exec('\x18')[0], '\x18', '\\30');
+assert.sameValue(/\37/.exec('\x1f')[0], '\x1f', '\\37');
+
+assert.sameValue(/\40/.exec('\x20')[0], '\x20', '\\40');
+assert.sameValue(/\47/.exec('\x27')[0], '\x27', '\\47');
+
+assert.sameValue(/\70/.exec('\x38')[0], '\x38', '\\70');
+assert.sameValue(/\77/.exec('\x3f')[0], '\x3f', '\\77');
+
+// Sequence is bounded according to the String Value
+assert.sameValue(/\400/.exec('\x200')[0], '\x200', '\\400');
+assert.sameValue(/\470/.exec('\x270')[0], '\x270', '\\470');
+assert.sameValue(/\700/.exec('\x380')[0], '\x380', '\\700');
+assert.sameValue(/\770/.exec('\x3f0')[0], '\x3f0', '\\770');
+
+assert.sameValue(/\000/.exec('\x00')[0], '\x00', '\\000');
+assert.sameValue(/\007/.exec('\x07')[0], '\x07', '\\007');
+assert.sameValue(/\070/.exec('\x38')[0], '\x38', '\\070');
+
+assert.sameValue(/\300/.exec('\xc0')[0], '\xc0', '\\300');
+assert.sameValue(/\307/.exec('\xc7')[0], '\xc7', '\\307');
+assert.sameValue(/\370/.exec('\xf8')[0], '\xf8', '\\370');
+assert.sameValue(/\377/.exec('\xff')[0], '\xff', '\\377');
+
+// Sequence is 3 characters max, including leading zeros
+assert.sameValue(/\0111/.exec('\x091')[0], '\x091', '\\0111');
+assert.sameValue(/\0022/.exec('\x022')[0], '\x022', '\\0022');
+assert.sameValue(/\0003/.exec('\x003')[0], '\x003', '\\0003');
+
+var match = /(.)\1/.exec('a\x01 aa');
+assert.sameValue(
+  match[0], 'aa', 'DecimalEscape takes precedence over LegacyOctalEscapeSequence'
+);
+
+reportCompare(0, 0);