1 files changed, 162 insertions, 0 deletions
diff --git a/js/src/tests/js1_5/extensions/regress-225831.js b/js/src/tests/js1_5/extensions/regress-225831.js
new file mode 100644
index 000000000..3330c7178
--- /dev/null
+++ b/js/src/tests/js1_5/extensions/regress-225831.js
@@ -0,0 +1,162 @@
+/* -*- 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/. */
+
+/*
+ *
+ * Date:    15 Nov 2003
+ * SUMMARY: Stressing the byte code generator
+ *
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=225831
+ *
+ */
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var BUGNUMBER = 225831;
+var summary = 'Stressing the byte code generator';
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+
+
+function f() { return {x: 0}; }
+
+var N = 300;
+var a = new Array(N + 1);
+a[N] = 10;
+a[0] = 100;
+
+
+status = inSection(1);
+
+// build string of the form ++(a[++f().x + ++f().x + ... + ++f().x]) which
+// gives ++a[N]
+var str = "".concat("++(a[", repeat_str("++f().x + ", (N - 1)), "++f().x])");
+
+// Use Script constructor instead of simple eval to test Rhino optimizer mode
+// because in Rhino, eval always uses interpreted mode.
+if (typeof Script == 'undefined')
+{
+  print('Test skipped. Script not defined.');
+}
+else
+{
+  var script = new Script(str);
+  script();
+
+  actual = a[N];
+  expect = 11;
+}
+addThis();
+
+status = inSection(2);
+
+
+// build string of the form (a[f().x-- + f().x-- + ... + f().x--])--
+// which should give (a[0])--
+if (typeof Script == 'undefined')
+{
+  print('Test skipped. Script not defined.');
+}
+else
+{
+  str = "".concat("(a[", repeat_str("f().x-- + ", (N - 1)), "f().x--])--");
+  script = new Script(str);
+  script();
+
+  actual = a[0];
+  expect = 99;
+}
+addThis();
+
+
+status = inSection(3);
+
+// build string of the form [[1], [1], ..., [1]]
+if (typeof Script == 'undefined')
+{
+  print('Test skipped. Script not defined.');
+}
+else
+{
+  str = "".concat("[", repeat_str("[1], ", (N - 1)), "[1]]");
+  script = new Script(str);
+  script();
+
+  actual = uneval(script());
+  expect = str;
+}
+addThis();
+
+
+status = inSection(4);
+
+// build string of the form ({1:{a:1}, 2:{a:1}, ... N:{a:1}})
+if (typeof Script == 'undefined')
+{
+  print('Test skipped. Script not defined.');
+}
+else
+{
+  str = function() {
+    var arr = new Array(N+1);
+    arr[0] = "({";
+    for (var i = 1; i < N; ++i) {
+      arr[i] = i+":{a:1}, ";
+    }
+    arr[N] = N+":{a:1}})";
+    return "".concat.apply("", arr);
+  }();
+
+  script = new Script(str);
+  script();
+
+  actual = uneval(script());
+  expect = str;
+}
+addThis();
+
+
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+
+function repeat_str(str, repeat_count)
+{
+  var arr = new Array(--repeat_count);
+  while (repeat_count != 0)
+    arr[--repeat_count] = str;
+  return str.concat.apply(str, arr);
+}
+
+
+function addThis()
+{
+  statusitems[UBound] = status;
+  actualvalues[UBound] = actual;
+  expectedvalues[UBound] = expect;
+  UBound++;
+}
+
+
+function test()
+{
+  enterFunc('test');
+  printBugNumber(BUGNUMBER);
+  printStatus(summary);
+
+  for (var i=0; i<UBound; i++)
+  {
+    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
+  }
+
+  exitFunc ('test');
+}