зеркало из https://github.com/mozilla/gecko-dev.git
96 строки
5.2 KiB
JavaScript
96 строки
5.2 KiB
JavaScript
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/* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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* License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code, released March
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* 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*
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*/
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/**
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File Name: 15.8.2.17.js
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ECMA Section: 15.8.2.17 Math.sqrt(x)
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Description: return an approximation to the squareroot of the argument.
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special cases:
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- if x is NaN return NaN
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- if x < 0 return NaN
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- if x == 0 return 0
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- if x == -0 return -0
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- if x == Infinity return Infinity
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Author: christine@netscape.com
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Date: 7 july 1997
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*/
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var SECTION = "15.8.2.17";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "Math.sqrt(x)";
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writeHeaderToLog( SECTION + " "+ TITLE);
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var testcases = getTestCases();
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test();
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function getTestCases() {
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var array = new Array();
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var item = 0;
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array[item++] = new TestCase( SECTION, "Math.sqrt.length", 1, Math.sqrt.length );
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array[item++] = new TestCase( SECTION, "Math.sqrt()", Number.NaN, Math.sqrt() );
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array[item++] = new TestCase( SECTION, "Math.sqrt(void 0)", Number.NaN, Math.sqrt(void 0) );
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array[item++] = new TestCase( SECTION, "Math.sqrt(null)", 0, Math.sqrt(null) );
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array[item++] = new TestCase( SECTION, "Math.sqrt(true)", 1, Math.sqrt(1) );
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array[item++] = new TestCase( SECTION, "Math.sqrt(false)", 0, Math.sqrt(false) );
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array[item++] = new TestCase( SECTION, "Math.sqrt('225')", 15, Math.sqrt('225') );
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array[item++] = new TestCase( SECTION, "Math.sqrt(NaN)", Number.NaN, Math.sqrt(Number.NaN) );
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array[item++] = new TestCase( SECTION, "Math.sqrt(-Infinity)", Number.NaN, Math.sqrt(Number.NEGATIVE_INFINITY));
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array[item++] = new TestCase( SECTION, "Math.sqrt(-1)", Number.NaN, Math.sqrt(-1));
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array[item++] = new TestCase( SECTION, "Math.sqrt(-0.5)", Number.NaN, Math.sqrt(-0.5));
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array[item++] = new TestCase( SECTION, "Math.sqrt(0)", 0, Math.sqrt(0));
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array[item++] = new TestCase( SECTION, "Math.sqrt(-0)", -0, Math.sqrt(-0));
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array[item++] = new TestCase( SECTION, "Infinity/Math.sqrt(-0)", -Infinity, Infinity/Math.sqrt(-0) );
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array[item++] = new TestCase( SECTION, "Math.sqrt(Infinity)", Number.POSITIVE_INFINITY, Math.sqrt(Number.POSITIVE_INFINITY));
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array[item++] = new TestCase( SECTION, "Math.sqrt(1)", 1, Math.sqrt(1));
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array[item++] = new TestCase( SECTION, "Math.sqrt(2)", Math.SQRT2, Math.sqrt(2));
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array[item++] = new TestCase( SECTION, "Math.sqrt(0.5)", Math.SQRT1_2, Math.sqrt(0.5));
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array[item++] = new TestCase( SECTION, "Math.sqrt(4)", 2, Math.sqrt(4));
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array[item++] = new TestCase( SECTION, "Math.sqrt(9)", 3, Math.sqrt(9));
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array[item++] = new TestCase( SECTION, "Math.sqrt(16)", 4, Math.sqrt(16));
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array[item++] = new TestCase( SECTION, "Math.sqrt(25)", 5, Math.sqrt(25));
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array[item++] = new TestCase( SECTION, "Math.sqrt(36)", 6, Math.sqrt(36));
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array[item++] = new TestCase( SECTION, "Math.sqrt(49)", 7, Math.sqrt(49));
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array[item++] = new TestCase( SECTION, "Math.sqrt(64)", 8, Math.sqrt(64));
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array[item++] = new TestCase( SECTION, "Math.sqrt(256)", 16, Math.sqrt(256));
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array[item++] = new TestCase( SECTION, "Math.sqrt(10000)", 100, Math.sqrt(10000));
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array[item++] = new TestCase( SECTION, "Math.sqrt(65536)", 256, Math.sqrt(65536));
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array[item++] = new TestCase( SECTION, "Math.sqrt(0.09)", 0.3, Math.sqrt(0.09));
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array[item++] = new TestCase( SECTION, "Math.sqrt(0.01)", 0.1, Math.sqrt(0.01));
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array[item++] = new TestCase( SECTION, "Math.sqrt(0.00000001)",0.0001, Math.sqrt(0.00000001));
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return ( array );
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}
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function test() {
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for ( tc=0; tc < testcases.length; tc++ ) {
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testcases[tc].passed = writeTestCaseResult(
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testcases[tc].expect,
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testcases[tc].actual,
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testcases[tc].description +" = "+
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testcases[tc].actual );
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testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
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}
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stopTest();
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return ( testcases );
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}
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