Add m-esr52 at 52.6.0

1 files changed, 47 insertions, 0 deletions

diff --git a/js/src/tests/js1_5/Regress/regress-280769-4.js b/js/src/tests/js1_5/Regress/regress-280769-4.js
new file mode 100644
index 000000000..eefc6db2c
--- /dev/null
+++ b/js/src/tests/js1_5/Regress/regress-280769-4.js
@@ -0,0 +1,47 @@
+/* -*- 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/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 280769;
+var summary = 'Do not overflow 64K length of char sequence in RegExp []';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+printStatus (summary);
+
+
+var N = 20 * 1000; // It should be that N*6  > 64K and N < 32K
+
+var prefixes = ["000", "00", "0"];
+
+function to_4_hex(i)
+{
+  var printed = i.toString(16);
+  if (printed.length < 4) {
+    printed= prefixes[printed.length - 1]+printed;
+  }
+  return printed;
+
+}
+
+var a = new Array(N);
+for (var i = 0; i != N; ++i) {
+  a[i] = to_4_hex(2*i);
+}
+
+var str = '[\\u'+a.join('\\u')+']';
+// str is [\u0000\u0002\u0004...\u<printed value of 2N>]
+
+var re = new RegExp(str);
+
+var string_to_match = String.fromCharCode(2 * (N - 1));
+
+var value = re.exec(string_to_match);
+
+var expect =  string_to_match;
+var actual = value ? value[0] : value;
+
+reportCompare(expect, actual, summary);