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diff --git a/tests/auto/qscriptv8testsuite/tests/in.js b/tests/auto/qscriptv8testsuite/tests/in.js
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+++ b/tests/auto/qscriptv8testsuite/tests/in.js
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+// Copyright 2008 Google Inc. All Rights Reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// ----------------
+// Check fast objects
+
+var o = { };
+assertFalse(0 in o);
+assertFalse('x' in o);
+assertFalse('y' in o);
+assertTrue('toString' in o, "toString");
+
+var o = { x: 12 };
+assertFalse(0 in o);
+assertTrue('x' in o);
+assertFalse('y' in o);
+assertTrue('toString' in o, "toString");
+
+var o = { x: 12, y: 15 };
+assertFalse(0 in o);
+assertTrue('x' in o);
+assertTrue('y' in o);
+assertTrue('toString' in o, "toString");
+
+
+// ----------------
+// Check dense arrays
+
+var a = [ ];
+assertFalse(0 in a);
+assertFalse(1 in a);
+assertFalse('0' in a);
+assertFalse('1' in a);
+assertTrue('toString' in a, "toString");
+
+var a = [ 1 ];
+assertTrue(0 in a);
+assertFalse(1 in a);
+assertTrue('0' in a);
+assertFalse('1' in a);
+assertTrue('toString' in a, "toString");
+
+var a = [ 1, 2 ];
+assertTrue(0 in a);
+assertTrue(1 in a);
+assertTrue('0' in a);
+assertTrue('1' in a);
+assertTrue('toString' in a, "toString");
+
+var a = [ 1, 2 ];
+assertFalse(0.001 in a);
+assertTrue(-0 in a);
+assertTrue(+0 in a);
+assertFalse('0.0' in a);
+assertFalse('1.0' in a);
+assertFalse(NaN in a);
+assertFalse(Infinity in a);
+assertFalse(-Infinity in a);
+
+/*****
+ * NOTE: Two of the tests below are disabled due to a bug in V8.
+ * Fast case (non-dictionary) sparse arrays do not work as advertised.
+ *
+ */
+
+var a = [];
+a[1] = 2;
+//assertFalse(0 in a);
+assertTrue(1 in a);
+assertFalse(2 in a);
+//assertFalse('0' in a); 
+assertTrue('1' in a);
+assertFalse('2' in a);
+assertTrue('toString' in a, "toString");
+
+
+// ----------------
+// Check dictionary ("normalized") objects
+
+var o = {};
+for (var i = 0x0020; i < 0x02ff; i += 2) {
+  o['char:' + String.fromCharCode(i)] = i;
+}
+for (var i = 0x0020; i < 0x02ff; i += 2) {
+  assertTrue('char:' + String.fromCharCode(i) in o);
+  assertFalse('char:' + String.fromCharCode(i + 1) in o);
+}
+assertTrue('toString' in o, "toString");
+
+var o = {};
+o[Math.pow(2,30)-1] = 0;
+o[Math.pow(2,31)-1] = 0;
+o[1] = 0;
+assertFalse(0 in o);
+assertTrue(1 in o);
+assertFalse(2 in o);
+assertFalse(Math.pow(2,30)-2 in o);
+assertTrue(Math.pow(2,30)-1 in o);
+assertFalse(Math.pow(2,30)-0 in o);
+assertTrue(Math.pow(2,31)-1 in o);
+assertFalse(0.001 in o);
+assertFalse('0.0' in o);
+assertFalse('1.0' in o);
+assertFalse(NaN in o);
+assertFalse(Infinity in o);
+assertFalse(-Infinity in o);
+assertFalse(-0 in o);
+assertFalse(+0 in o);
+assertTrue('toString' in o, "toString");
+
+
+// ----------------
+// Check sparse arrays
+
+var a = [];
+a[Math.pow(2,30)-1] = 0;
+a[Math.pow(2,31)-1] = 0;
+a[1] = 0;
+assertFalse(0 in a, "0 in a");
+assertTrue(1 in a, "1 in a");
+assertFalse(2 in a, "2 in a");
+assertFalse(Math.pow(2,30)-2 in a, "Math.pow(2,30)-2 in a");
+assertTrue(Math.pow(2,30)-1 in a, "Math.pow(2,30)-1 in a");
+assertFalse(Math.pow(2,30)-0 in a, "Math.pow(2,30)-0 in a");
+assertTrue(Math.pow(2,31)-1 in a, "Math.pow(2,31)-1 in a");
+assertFalse(0.001 in a, "0.001 in a");
+assertFalse('0.0' in a,"'0.0' in a");
+assertFalse('1.0' in a,"'1.0' in a");
+assertFalse(NaN in a,"NaN in a");
+assertFalse(Infinity in a,"Infinity in a");
+assertFalse(-Infinity in a,"-Infinity in a");
+assertFalse(-0 in a,"-0 in a");
+assertFalse(+0 in a,"+0 in a");
+assertTrue('toString' in a, "toString");