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diff --git a/js/src/tests/ecma_3/Expressions/11.6.1-1.js b/js/src/tests/ecma_3/Expressions/11.6.1-1.js
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+/* -*- 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:    14 Mar 2003
+ * SUMMARY: Testing left-associativity of the + operator
+ *
+ * See ECMA-262 Ed.3, Section 11.6.1, "The Addition operator"
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=196290
+ *
+ * The upshot: |a + b + c| should always equal |(a + b) + c|
+ *
+ */
+//-----------------------------------------------------------------------------
+var UBound = 0;
+var BUGNUMBER = 196290;
+var summary = 'Testing left-associativity of the + operator';
+var status = '';
+var statusitems = [];
+var actual = '';
+var actualvalues = [];
+var expect= '';
+var expectedvalues = [];
+
+
+status = inSection(1);
+actual = 1 + 1 + 'px';
+expect = '2px';
+addThis();
+
+status = inSection(2);
+actual = 'px' + 1 + 1;
+expect = 'px11';
+addThis();
+
+status = inSection(3);
+actual = 1 + 1 + 1 + 'px';
+expect = '3px';
+addThis();
+
+status = inSection(4);
+actual = 1 + 1 + 'a' + 1 + 1 + 'b';
+expect = '2a11b';
+addThis();
+
+/*
+ * The next sections test the + operator via eval()
+ */
+status = inSection(5);
+actual = sumThese(1, 1, 'a', 1, 1, 'b');
+expect = '2a11b';
+addThis();
+
+status = inSection(6);
+actual = sumThese(new Number(1), new Number(1), 'a');
+expect = '2a';
+addThis();
+
+status = inSection(7);
+actual = sumThese('a', new Number(1), new Number(1));
+expect = 'a11';
+addThis();
+
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+
+
+function addThis()
+{
+  statusitems[UBound] = status;
+  actualvalues[UBound] = actual;
+  expectedvalues[UBound] = expect;
+  UBound++;
+}
+
+/*
+ * Applies the + operator to the provided arguments via eval().
+ *
+ * Form an eval string of the form 'arg1 + arg2 + arg3', but
+ * remember to add double-quotes inside the eval string around
+ * any argument that is of string type. For example, suppose the
+ * arguments were 11, 'a', 22. Then the eval string should be
+ *
+ *              arg1 + quoteThis(arg2) + arg3
+ *
+ * If we didn't put double-quotes around the string argument,
+ * we'd get this for an eval string:
+ *
+ *                     '11 + a + 22'
+ *
+ * If we eval() this, we get 'ReferenceError: a is not defined'.
+ * With proper quoting, we get eval('11 + "a" + 22') as desired.
+ */
+function sumThese()
+{
+  var sEval = '';
+  var arg;
+  var i;
+
+  var L = arguments.length;
+  for (i=0; i<L; i++)
+  {
+    arg = arguments[i];
+    if (typeof arg === 'string')
+      arg = quoteThis(arg);
+
+    if (i < L-1)
+      sEval += arg + ' + ';
+    else
+      sEval += arg;
+  }
+
+  return eval(sEval);
+}
+
+
+function quoteThis(x)
+{
+  return '"' + x + '"';
+}
+
+
+function test()
+{
+  enterFunc('test');
+  printBugNumber(BUGNUMBER);
+  printStatus(summary);
+
+  for (var i=0; i<UBound; i++)
+  {
+    reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
+  }
+
+  exitFunc ('test');
+}