// 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('Tests to ensure that Function.apply works correctly for Arrays, arguments and array-like objects.'); function argumentsApply1(a, b, c) { function t(a, b, c) { return a; } return t.apply(null, arguments); } function argumentsApply2(a, b, c) { function t(a, b, c) { return b; } return t.apply(null, arguments); } function argumentsApply3(a, b, c) { function t(a, b, c) { return c; } return t.apply(null, arguments); } function argumentsApplyLength(a, b, c) { function t(a, b, c) { return arguments.length; } return t.apply(null, arguments); } var executedAdditionalArgument = false; function argumentsApplyExcessArguments(a, b, c) { function t(a, b, c) { return arguments.length; } return t.apply(null, arguments, executedAdditionalArgument = true); } shouldBe("argumentsApply1(1, 2, 3)", "1"); shouldBe("argumentsApply2(1, 2, 3)", "2"); shouldBe("argumentsApply3(1, 2, 3)", "3"); shouldBe("argumentsApplyLength(1, 2, 3)", "3"); shouldBe("argumentsApplyExcessArguments(1, 2, 3)", "3"); shouldBeTrue("executedAdditionalArgument"); function arrayApply1(array) { function t(a, b, c) { return a; } return t.apply(null, array); } function arrayApply2(array) { function t(a, b, c) { return b; } return t.apply(null, array); } function arrayApply3(array) { function t(a, b, c) { return c; } return t.apply(null, array); } function arrayApplyLength(array) { function t(a, b, c) { return arguments.length; } return t.apply(null, array); } shouldBe("arrayApply1([1, 2, 3])", "1"); shouldBe("arrayApply2([1, 2, 3])", "2"); shouldBe("arrayApply3([1, 2, 3])", "3"); shouldBe("arrayApplyLength([1, 2, 3])", "3"); function argumentsApplyDelete1(a, b, c) { function t(a, b, c) { return a; } delete arguments[1]; return t.apply(null, arguments); } function argumentsApplyDelete2(a, b, c) { function t(a, b, c) { return b; } delete arguments[1]; return t.apply(null, arguments); } function argumentsApplyDelete3(a, b, c) { function t(a, b, c) { return c; } delete arguments[1]; return t.apply(null, arguments); } function argumentsApplyDeleteLength(a, b, c) { function t(a, b, c) { return arguments.length; } delete arguments[1]; return t.apply(null, arguments); } shouldBe("argumentsApplyDelete1(1, 2, 3)", "1"); shouldBe("argumentsApplyDelete2(1, 2, 3)", "undefined"); shouldBe("argumentsApplyDelete3(1, 2, 3)", "3"); shouldBe("argumentsApplyDeleteLength(1, 2, 3)", "3"); function arrayApplyDelete1(array) { function t(a, b, c) { return a; } delete array[1]; return t.apply(null, array); } function arrayApplyDelete2(array) { function t(a, b, c) { return b; } delete array[1]; return t.apply(null, array); } function arrayApplyDelete3(array) { function t(a, b, c) { return c; } delete array[1]; return t.apply(null, array); } function arrayApplyDeleteLength(array) { function t(a, b, c) { return arguments.length; } delete array[1]; return t.apply(null, array); } shouldBe("arrayApplyDelete1([1, 2, 3])", "1"); shouldBe("arrayApplyDelete2([1, 2, 3])", "undefined"); shouldBe("arrayApplyDelete3([1, 2, 3])", "3"); shouldBe("arrayApplyDeleteLength([1, 2, 3])", "3"); function argumentsApplyChangeLength1() { function f() { return arguments.length; }; arguments.length = 2; return f.apply(null, arguments); } function argumentsApplyChangeLength2() { function f(a) { return arguments.length; }; arguments.length = 2; return f.apply(null, arguments); } function argumentsApplyChangeLength3() { function f(a, b, c) { return arguments.length; }; arguments.length = 2; return f.apply(null, arguments); }; function argumentsApplyChangeLength4() { function f() { return arguments.length; }; arguments.length = 0; return f.apply(null, arguments); }; function argumentsApplyChangeLength5() { function f() { return arguments.length; }; arguments.length = "Not A Number"; return f.apply(null, arguments); } shouldBe("argumentsApplyChangeLength1(1)", "2"); shouldBe("argumentsApplyChangeLength2(1)", "2"); shouldBe("argumentsApplyChangeLength3(1)", "2"); shouldBe("argumentsApplyChangeLength4(1)", "0"); shouldBe("argumentsApplyChangeLength5(1)", "0"); function arrayApplyChangeLength1() { function f() { return arguments.length; }; var array = []; array.length = 2; return f.apply(null, array); } function arrayApplyChangeLength2() { function f(a) { return arguments.length; }; var array = []; array.length = 2; return f.apply(null, array); } function arrayApplyChangeLength3() { function f(a, b, c) { return arguments.length; }; var array = []; array.length = 2; return f.apply(null, array); } function arrayApplyChangeLength4() { function f() { return arguments.length; }; var array = [1]; array.length = 0; return f.apply(null, array); }; shouldBe("arrayApplyChangeLength1()", "2"); shouldBe("arrayApplyChangeLength2()", "2"); shouldBe("arrayApplyChangeLength3()", "2"); shouldBe("arrayApplyChangeLength4()", "0"); shouldBe("var a = []; a.length = 0xFFFE; [].constructor.apply('', a).length", "0xFFFE"); shouldBe("var a = []; a.length = 0xFFFF; [].constructor.apply('', a).length", "0xFFFF"); shouldBe("var a = []; a.length = 0x10000; [].constructor.apply('', a).length", "0x10000"); shouldBe("var a = []; a.length = 0x10001; [].constructor.apply('', a).length", "0x10001"); shouldThrow("var a = []; a.length = 0xFFFFFFFE; [].constructor.apply('', a).length"); shouldThrow("var a = []; a.length = 0xFFFFFFFF; [].constructor.apply('', a).length"); // ES5 permits apply with array-like objects. shouldBe("(function(a,b,c,d){ return d ? -1 : (a+b+c); }).apply(undefined, {length:3, 0:100, 1:20, 2:3})", '123');