1 files changed, 46 insertions, 0 deletions
diff --git a/external/contributions/Microsoft/ietc_262modified/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-2.js b/external/contributions/Microsoft/ietc_262modified/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-2.js
new file mode 100644
index 000000000..11965fb84
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+++ b/external/contributions/Microsoft/ietc_262modified/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-2.js
@@ -0,0 +1,46 @@
+/// 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: "15.4.4.15-8-2",
+
+path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-2.js",
+
+description: "Array.prototype.lastIndexOf must return correct index(Number)",
+
+test: function testcase() {
+  var obj = {toString:function (){return 0}};
+  var one = 1;
+  var _float = -(4/3);
+  var a = new Array(+0,true,0,-0, false,undefined,null,"0",obj, _float,-(4/3),-1.3333333333333,"str",one, 1, false);
+  if (a.lastIndexOf(-(4/3)) === 10 &&      // a[10]=-(4/3)
+      a.lastIndexOf(0) === 3       &&       // a[3] = -0, but using === -0 and 0 are equal
+      a.lastIndexOf(-0) ===3       &&      // a[3] = -0
+      a.lastIndexOf(1) === 14 )            // a[14] = 1
+  {
+    return true;
+  }
+ },
+
+precondition: function prereq() {
+  return fnExists(Array.prototype.lastIndexOf);
+ }
+});