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+/// Copyright (c) 2009 Microsoft Corporation
+///
+/// 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 Microsoft 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.
+
+
+ES5Harness.registerTest({
+
+ id: "15.4.4.20-3-14",
+
+ path: "TestCases/chapter15/15.4/15.4.4/15.4.4.20/15.4.4.20-3-14.js",
+
+ description: "Array.prototype.filter - 'length' is a string containing +/-Infinity",
+
+ test: function testcase() {
+
+ var accessed1 = false;
+ var accessed2 = false;
+ var accessed3 = false;
+
+ function callbackfn1(val, idx, obj) {
+ accessed1 = true;
+ return true;
+ }
+
+ function callbackfn2(val, idx, obj) {
+ accessed2 = true;
+ return true;
+ }
+
+ function callbackfn3(val, idx, obj) {
+ accessed3 = true;
+ return true;
+ }
+
+ var obj1 = { 0: 9, length: "Infinity" };
+ var obj2 = { 0: 9, length: "-Infinity" };
+ var obj3 = { 0: 9, length: "+Infinity" };
+
+ var newArr1 = Array.prototype.filter.call(obj1, callbackfn1);
+ var newArr2 = Array.prototype.filter.call(obj2, callbackfn2);
+ var newArr3 = Array.prototype.filter.call(obj3, callbackfn3);
+
+ return !accessed1 && newArr1.length === 0 &&
+ !accessed2 && newArr2.length === 0 &&
+ !accessed3 && newArr3.length === 0;
+ },
+
+ precondition: function prereq() {
+ return fnExists(Array.prototype.filter);
+ }
+
+});