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116 lines
4.4 KiB
116 lines
4.4 KiB
// Copyright 2013 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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description(
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"This test checks the behavior of the every() method on Array objects."
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);
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debug("1.0 Single Argument Testing");
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function isBigEnough(element, index, array) {
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return (element >= 10);
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}
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shouldBeFalse("[12, 5, 8, 130, 44].every(isBigEnough)");
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shouldBeTrue("[12, 54, 18, 130, 44].every(isBigEnough)");
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debug("");
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debug("2.0 Two Argument Testing");
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var predicate = {
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comparison: 11,
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isBigEnough: function(s) {
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return (s >= comparison);
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}
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};
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shouldBeFalse("[12, 5, 10, 130, 44].every(isBigEnough, predicate)");
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shouldBeTrue("[12, 54, 18, 130, 44].every(isBigEnough, predicate)");
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debug("");
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debug("3.0 Array Mutation Tests");
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debug("");
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debug("3.1 Array Element Removal");
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function isBigEnoughAndPop(element, index, array) {
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array.pop();
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return (element >= 10);
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}
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shouldBeFalse("[12, 5, 8, 130, 44].every(isBigEnoughAndPop)");
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shouldBeTrue("[12, 54, 18, 130, 44].every(isBigEnoughAndPop)");
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debug("");
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debug("3.2 Array Element Changing");
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function isBigEnoughAndChange(element, index, array) {
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array[array.length-1-index]= 5;
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return (element >= 10);
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}
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shouldBeFalse("[12, 5, 8, 130, 44].every(isBigEnoughAndChange)");
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shouldBeFalse("[12, 54, 18, 130, 44].every(isBigEnoughAndChange)");
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debug("");
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debug("3.3 Array Element Addition");
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function isBigEnoughAndPush(element, index, array) {
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array.push(131);
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return (element >= 131);
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}
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shouldBeFalse("[12, 5, 8, 130, 44].every(isBigEnoughAndPush)");
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shouldBeFalse("[12, 54, 18, 130, 44].every(isBigEnoughAndPush)");
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debug("");
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debug("4.0 Exception Test");
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function isBigEnoughAndException(element, index, array) {
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if(index==1) throw "exception from function";
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return (element >= 10);
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}
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shouldThrow("[12, 5, 8, 130, 44].every(isBigEnoughAndException)", '"exception from function"');
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shouldThrow("[12, 54, 18, 130, 44].every(isBigEnoughAndException)", '"exception from function"');
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debug("");
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debug("5.0 Wrong Type for Callback Test");
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shouldThrow("[12, 5, 8, 130, 44].every(5)");
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shouldThrow("[12, 5, 8, 130, 44].every('wrong')");
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shouldThrow("[12, 5, 8, 130, 44].every(new Object())");
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shouldThrow("[12, 5, 8, 130, 44].every(null)");
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shouldThrow("[12, 5, 8, 130, 44].every(undefined)");
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shouldThrow("[12, 5, 8, 130, 44].every()");
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debug("");
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debug('6.0 Early Exit ("Short Circuiting")');
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var accumulator = new Array();
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function isBigEnoughShortCircuit(element, index, array) {
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accumulator.push(element);
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return (element >= 10);
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}
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shouldBeFalse("[12, 5, 8, 130, 44].every(isBigEnoughShortCircuit)");
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shouldBe("accumulator.toString()", "[12, 5].toString()");
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accumulator.length = 0;
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shouldBeTrue("[12, 54, 18, 130, 44].every(isBigEnoughShortCircuit)");
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shouldBe("accumulator.toString()", "[12, 54, 18, 130, 44].toString()");
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debug("");
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debug('7.0 Behavior for Holes in Arrays');
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var arr = [5, 5, 5, 5];
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delete arr[1];
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function isNotUndefined(element, index, array) {
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return typeof element !== "undefined";
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}
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shouldBeTrue("arr.every(isNotUndefined)");
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arr = new Array(20);
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shouldBeTrue("arr.every(isNotUndefined)");
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