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      1 // Copyright 2013 the V8 project authors. All rights reserved.
      2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions
      6 // are met:
      7 // 1.  Redistributions of source code must retain the above copyright
      8 //     notice, this list of conditions and the following disclaimer.
      9 // 2.  Redistributions in binary form must reproduce the above copyright
     10 //     notice, this list of conditions and the following disclaimer in the
     11 //     documentation and/or other materials provided with the distribution.
     12 //
     13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 
     24 description(
     25 "This tests that we can correctly call Function.prototype.call"
     26 );
     27 
     28 var myObject = { call: function() { return [myObject, "myObject.call"] } };
     29 var myFunction = function (arg1) { return [this, "myFunction", arg1] };
     30 var myFunctionWithCall = function (arg1) { return [this, "myFunctionWithCall", arg1] };
     31 myFunctionWithCall.call = function (arg1) { return [this, "myFunctionWithCall.call", arg1] };
     32 Function.prototype.aliasedCall = Function.prototype.call;
     33 
     34 shouldBe("myObject.call()", '[myObject, "myObject.call"]');
     35 shouldBe("myFunction('arg1')", '[this, "myFunction", "arg1"]');
     36 shouldBe("myFunction.call(myObject, 'arg1')", '[myObject, "myFunction", "arg1"]');
     37 shouldBe("myFunction.call()", '[this, "myFunction", undefined]');
     38 shouldBe("myFunction.call(null)", '[this, "myFunction", undefined]');
     39 shouldBe("myFunction.call(undefined)", '[this, "myFunction", undefined]');
     40 shouldBe("myFunction.aliasedCall(myObject, 'arg1')", '[myObject, "myFunction", "arg1"]');
     41 shouldBe("myFunction.aliasedCall()", '[this, "myFunction", undefined]');
     42 shouldBe("myFunction.aliasedCall(null)", '[this, "myFunction", undefined]');
     43 shouldBe("myFunction.aliasedCall(undefined)", '[this, "myFunction", undefined]');
     44 shouldBe("myFunctionWithCall.call(myObject, 'arg1')", '[myFunctionWithCall, "myFunctionWithCall.call", myObject]');
     45 shouldBe("myFunctionWithCall.aliasedCall(myObject, 'arg1')", '[myObject, "myFunctionWithCall", "arg1"]');
     46