Add m-esr52 at 52.6.0

1 files changed, 124 insertions, 0 deletions

diff --git a/js/src/tests/js1_5/Regress/regress-146596.js b/js/src/tests/js1_5/Regress/regress-146596.js
new file mode 100644
index 000000000..a96b2d3b8
--- /dev/null
+++ b/js/src/tests/js1_5/Regress/regress-146596.js
@@ -0,0 +1,124 @@
+/* -*- 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:    18 Jun 2002
+ * SUMMARY: Shouldn't crash when catch parameter is "hidden" by varX
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=146596
+ *
+ */
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var BUGNUMBER = 146596;
+var summary = "Shouldn't crash when catch parameter is 'hidden' by varX";
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+
+
+/*
+ * Just seeing we don't crash when executing this function -
+ * This example provided by jim-patterson@ncf.ca
+ *
+ * Brendan: "Jim, thanks for the testcase. But note that |var|
+ * in a JS function makes a function-scoped variable --  JS lacks
+ * block scope apart from for catch variables within catch blocks.
+ *
+ * Therefore the catch variable hides the function-local variable."
+ */
+function F()
+{
+  try
+  {
+    return "A simple exception";
+  }
+  catch(e)
+  {
+    var e = "Another exception";
+  }
+
+  return 'XYZ';
+}
+
+status = inSection(1);
+actual = F();
+expect = "A simple exception";
+addThis();
+
+
+
+/*
+ * Sanity check by Brendan: "This should output
+ *
+ *             24
+ *             42
+ *          undefined
+ *
+ * and throw no uncaught exception."
+ *
+ */
+function f(obj)
+{
+  var res = [];
+
+  try
+  {
+    throw 42;
+  }
+  catch(e)
+  {
+    with(obj)
+    {
+      var e;
+      res[0] = e; // |with| binds tighter than |catch|; s/b |obj.e|
+    }
+
+    res[1] = e;   // |catch| binds tighter than function scope; s/b 42
+  }
+
+  res[2] = e;     // |var e| has function scope; s/b visible but contain |undefined|
+  return res;
+}
+
+status = inSection(2);
+actual = f({e:24});
+expect = [24, 42, undefined];
+addThis();
+
+
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+
+function addThis()
+{
+  statusitems[UBound] = status;
+  actualvalues[UBound] = actual.toString();
+  expectedvalues[UBound] = expect.toString();
+  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');
+}