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diff --git a/tests/auto/qscriptv8testsuite/tests/escape.js b/tests/auto/qscriptv8testsuite/tests/escape.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.
+
+/**
+ * @fileoverview Check that the global escape and unescape functions work
+ * right.
+ */
+
+// Section B.2.1 of ECMAScript 3
+var unescaped = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@*_+-./";
+
+// Check the unescape chars are not escaped
+assertEquals(unescaped, escape(unescaped));
+// Check spaces are escaped
+assertEquals("%20/%20", escape(" / "));
+// Check that null chars are escaped and do not terminate the string
+assertEquals("%000", escape("\0" + "0"));
+// Check a unicode escape
+assertEquals("A%20B%u1234%00%20C", escape(String.fromCharCode(0x41, 0x20, 0x42, 0x1234, 0, 0x20, 0x43)));
+// Check unicode escapes have a leading zero to pad to 4 digits
+assertEquals("%u0123", escape(String.fromCharCode(0x123)));
+// Check escapes are upper case
+assertEquals("%uABCD", escape(String.fromCharCode(0xabcd)));
+assertEquals("%AB", escape(String.fromCharCode(0xab)));
+assertEquals("%0A", escape("\n"));
+
+// Check first 1000 chars individually for escaped/not escaped
+for (var i = 0; i < 1000; i++) {
+  var s = String.fromCharCode(i);
+  if (unescaped.indexOf(s, 0) == -1) {
+    assertFalse(s == escape(s));
+  } else {
+    assertTrue(s == escape(s));
+  }
+}
+
+// Check all chars up to 1000 in groups of 10 using unescape as a check
+for (var i = 0; i < 1000; i += 10) {
+  var s = String.fromCharCode(i, i+1, i+2, i+3, i+4, i+5, i+6, i+7, i+8, i+9);
+  assertEquals(s, unescape(escape(s)));
+}
+
+// Benchmark
+var example = "Now is the time for all good men to come to the aid of the party.";
+example = example + String.fromCharCode(267, 0x1234, 0x6667, 0xabcd);
+example = example + " The quick brown fox jumps over the lazy dog."
+example = example + String.fromCharCode(171, 172, 173, 174, 175, 176, 178, 179);
+
+for (var i = 0; i < 3000; i++) {
+  assertEquals(example, unescape(escape(example)));
+}
+
+// Check unescape can cope with upper and lower case
+assertEquals(unescape("%41%4A%4a"), "AJJ");
+
+// Check upper case U
+assertEquals("%U1234", unescape("%U1234"));
+
+// Check malformed unescapes
+assertEquals("%", unescape("%"));
+assertEquals("%4", unescape("%4"));
+assertEquals("%u", unescape("%u"));
+assertEquals("%u4", unescape("%u4"));
+assertEquals("%u44", unescape("%u44"));
+assertEquals("%u444", unescape("%u444"));
+assertEquals("%4z", unescape("%4z"));
+assertEquals("%uzzzz", unescape("%uzzzz"));
+assertEquals("%u4zzz", unescape("%u4zzz"));
+assertEquals("%u44zz", unescape("%u44zz"));
+assertEquals("%u444z", unescape("%u444z"));
+assertEquals("%4<", unescape("%4<"));
+assertEquals("%u<<<<", unescape("%u<<<<"));
+assertEquals("%u4<<<", unescape("%u4<<<"));
+assertEquals("%u44<<", unescape("%u44<<"));
+assertEquals("%u444<", unescape("%u444<"));
+assertEquals("foo%4<", unescape("foo%4<"));
+assertEquals("foo%u<<<<", unescape("foo%u<<<<"));
+assertEquals("foo%u4<<<", unescape("foo%u4<<<"));
+assertEquals("foo%u44<<", unescape("foo%u44<<"));
+assertEquals("foo%u444<", unescape("foo%u444<"));
+assertEquals("foo%4<bar", unescape("foo%4<bar"));
+assertEquals("foo%u<<<<bar", unescape("foo%u<<<<bar"));
+assertEquals("foo%u4<<<bar", unescape("foo%u4<<<bar"));
+assertEquals("foo%u44<<bar", unescape("foo%u44<<bar"));
+assertEquals("foo%u444<bar", unescape("foo%u444<bar"));
+assertEquals("% ", unescape("%%20"));
+assertEquals("%% ", unescape("%%%20"));
+
+// Unescape stress
+var eexample = escape(example);
+
+for (var i = 1; i < 3000; i++) {
+  assertEquals(example, unescape(eexample));
+}