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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("Tests for Array.prototype.filter");
function passUndefined(element, index, array) {
return typeof element === "undefined";
}
function passEven(a) {
return !(a & 1);
}
function passAfter5(element, index) {
return index >= 5;
}
var sparseArrayLength = 10100;
mixPartialAndFast = new Array(sparseArrayLength);
mixPartialAndFast[sparseArrayLength - 1] = sparseArrayLength - 1;
for(var i = 0; i < 10; i++)
mixPartialAndFast[i] = i;
function toObject(array) {
var result = {};
result.length = array.length;
for (var i in array)
result[i] = array[i];
result.filter=Array.prototype.filter;
return result;
}
function reverseInsertionOrder(array) {
var obj = toObject(array);
var props = [];
for (var i in obj)
props.push(i);
var result = {};
for (var i = props.length - 1; i >= 0; i--)
result[props[i]] = obj[props[i]];
result.filter=Array.prototype.filter;
return result;
}
function filterLog(f) {
return function(i,j) {
try {
debug([i,j,arguments[2].toString().substring(0,20)].toString());
return f.apply(this, arguments);
} catch(e) {
console.error(e);
}
}
}
shouldBe("[undefined].filter(passUndefined)", "[undefined]");
shouldBe("(new Array(20)).filter(passUndefined)", "[]");
shouldBe("[0,1,2,3,4,5,6,7,8,9].filter(passEven)", "[0,2,4,6,8]");
shouldBe("[0,1,2,3,4,5,6,7,8,9].filter(passAfter5)", "[5,6,7,8,9]");
shouldBe("mixPartialAndFast.filter(passAfter5)", "[5,6,7,8,9,sparseArrayLength-1]");
// Generic Object
shouldBe("toObject([undefined]).filter(passUndefined)", "[undefined]");
shouldBe("toObject(new Array(20)).filter(passUndefined)", "[]");
shouldBe("toObject([0,1,2,3,4,5,6,7,8,9]).filter(passEven)", "[0,2,4,6,8]");
shouldBe("toObject([0,1,2,3,4,5,6,7,8,9]).filter(passAfter5)", "[5,6,7,8,9]");
shouldBe("toObject(mixPartialAndFast).filter(passAfter5)", "[5,6,7,8,9,sparseArrayLength-1]");
// Reversed generic Object
shouldBe("reverseInsertionOrder([undefined]).filter(passUndefined)", "[undefined]");
shouldBe("reverseInsertionOrder(new Array(20)).filter(passUndefined)", "[]");
shouldBe("reverseInsertionOrder([0,1,2,3,4,5,6,7,8,9]).filter(passEven)", "[0,2,4,6,8]");
shouldBe("reverseInsertionOrder([0,1,2,3,4,5,6,7,8,9]).filter(passAfter5)", "[5,6,7,8,9]");
shouldBe("reverseInsertionOrder(mixPartialAndFast).filter(passAfter5)", "[5,6,7,8,9,sparseArrayLength-1]");
// Log evaluation order
shouldBe("reverseInsertionOrder([undefined]).filter(filterLog(passUndefined))", "[undefined]");
shouldBe("reverseInsertionOrder(new Array(20)).filter(filterLog(passUndefined))", "[]");
shouldBe("reverseInsertionOrder([0,1,2,3,4]).filter(filterLog(passEven))", "[0,2,4]");
shouldBe("reverseInsertionOrder(mixPartialAndFast).filter(filterLog(passAfter5))", "[5,6,7,8,9,sparseArrayLength-1]");
shouldBe("([undefined]).filter(filterLog(passUndefined))", "[undefined]");
shouldBe("(new Array(20)).filter(filterLog(passUndefined))", "[]");
shouldBe("([0,1,2,3,4]).filter(filterLog(passEven))", "[0,2,4]");
shouldBe("(mixPartialAndFast).filter(filterLog(passAfter5))", "[5,6,7,8,9,sparseArrayLength-1]");
shouldBe("[1,2,3].filter(function(i,j,k,l,m){ return m=!m; })", "[1,2,3]")
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