function-call-aliased.js 2.8 KB
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// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple 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:
// 1.  Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
// 2.  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.
//
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.

description(
"This tests that we can correctly call Function.prototype.call"
);

var myObject = { call: function() { return [myObject, "myObject.call"] } };
var myFunction = function (arg1) { return [this, "myFunction", arg1] };
var myFunctionWithCall = function (arg1) { return [this, "myFunctionWithCall", arg1] };
myFunctionWithCall.call = function (arg1) { return [this, "myFunctionWithCall.call", arg1] };
Function.prototype.aliasedCall = Function.prototype.call;

shouldBe("myObject.call()", '[myObject, "myObject.call"]');
shouldBe("myFunction('arg1')", '[this, "myFunction", "arg1"]');
shouldBe("myFunction.call(myObject, 'arg1')", '[myObject, "myFunction", "arg1"]');
shouldBe("myFunction.call()", '[this, "myFunction", undefined]');
shouldBe("myFunction.call(null)", '[this, "myFunction", undefined]');
shouldBe("myFunction.call(undefined)", '[this, "myFunction", undefined]');
shouldBe("myFunction.aliasedCall(myObject, 'arg1')", '[myObject, "myFunction", "arg1"]');
shouldBe("myFunction.aliasedCall()", '[this, "myFunction", undefined]');
shouldBe("myFunction.aliasedCall(null)", '[this, "myFunction", undefined]');
shouldBe("myFunction.aliasedCall(undefined)", '[this, "myFunction", undefined]');
shouldBe("myFunctionWithCall.call(myObject, 'arg1')", '[myFunctionWithCall, "myFunctionWithCall.call", myObject]');
shouldBe("myFunctionWithCall.aliasedCall(myObject, 'arg1')", '[myObject, "myFunctionWithCall", "arg1"]');