1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 /** 18 * @author Elena Semukhina 19 */ 20 21 package org.apache.harmony.tests.java.math; 22 23 import java.math.BigInteger; 24 25 import junit.framework.TestCase; 26 27 /** 28 * Class: java.math.BigInteger 29 * Method: toString(int radix) 30 */ 31 public class BigIntegerToStringTest extends TestCase { 32 /** 33 * If 36 < radix < 2 it should be set to 10 34 */ 35 public void testRadixOutOfRange() { 36 String value = "442429234853876401"; 37 int radix = 10; 38 BigInteger aNumber = new BigInteger(value, radix); 39 String result = aNumber.toString(45); 40 assertTrue(result.equals(value)); 41 } 42 43 /** 44 * test negative number of radix 2 45 */ 46 public void testRadix2Neg() { 47 String value = "-101001100010010001001010101110000101010110001010010101010101010101010101010101010101010101010010101"; 48 int radix = 2; 49 BigInteger aNumber = new BigInteger(value, radix); 50 String result = aNumber.toString(radix); 51 assertTrue(result.equals(value)); 52 } 53 54 /** 55 * test positive number of radix 2 56 */ 57 public void testRadix2Pos() { 58 String value = "101000011111000000110101010101010101010001001010101010101010010101010101010000100010010"; 59 int radix = 2; 60 BigInteger aNumber = new BigInteger(value, radix); 61 String result = aNumber.toString(radix); 62 assertTrue(result.equals(value)); 63 } 64 65 /** 66 * test negative number of radix 10 67 */ 68 public void testRadix10Neg() { 69 String value = "-2489756308572364789878394872984"; 70 int radix = 16; 71 BigInteger aNumber = new BigInteger(value, radix); 72 String result = aNumber.toString(radix); 73 assertTrue(result.equals(value)); 74 } 75 76 /** 77 * test positive number of radix 10 78 */ 79 public void testRadix10Pos() { 80 String value = "2387627892347567398736473476"; 81 int radix = 16; 82 BigInteger aNumber = new BigInteger(value, radix); 83 String result = aNumber.toString(radix); 84 assertTrue(result.equals(value)); 85 } 86 87 /** 88 * test negative number of radix 16 89 */ 90 public void testRadix16Neg() { 91 String value = "-287628a883451b800865c67e8d7ff20"; 92 int radix = 16; 93 BigInteger aNumber = new BigInteger(value, radix); 94 String result = aNumber.toString(radix); 95 assertTrue(result.equals(value)); 96 } 97 98 /** 99 * test positive number of radix 16 100 */ 101 public void testRadix16Pos() { 102 String value = "287628a883451b800865c67e8d7ff20"; 103 int radix = 16; 104 BigInteger aNumber = new BigInteger(value, radix); 105 String result = aNumber.toString(radix); 106 assertTrue(result.equals(value)); 107 } 108 109 /** 110 * test negative number of radix 24 111 */ 112 public void testRadix24Neg() { 113 String value = "-287628a88gmn3451b8ijk00865c67e8d7ff20"; 114 int radix = 24; 115 BigInteger aNumber = new BigInteger(value, radix); 116 String result = aNumber.toString(radix); 117 assertTrue(result.equals(value)); 118 } 119 120 /** 121 * test positive number of radix 24 122 */ 123 public void testRadix24Pos() { 124 String value = "287628a883451bg80ijhk0865c67e8d7ff20"; 125 int radix = 24; 126 BigInteger aNumber = new BigInteger(value, radix); 127 String result = aNumber.toString(radix); 128 assertTrue(result.equals(value)); 129 } 130 131 /** 132 * test negative number of radix 24 133 */ 134 public void testRadix36Neg() { 135 String value = "-uhguweut98iu4h3478tq3985pq98yeiuth33485yq4aiuhalai485yiaehasdkr8tywi5uhslei8"; 136 int radix = 36; 137 BigInteger aNumber = new BigInteger(value, radix); 138 String result = aNumber.toString(radix); 139 assertTrue(result.equals(value)); 140 } 141 142 /** 143 * test positive number of radix 24 144 */ 145 public void testRadix36Pos() { 146 String value = "23895lt45y6vhgliuwhgi45y845htsuerhsi4586ysuerhtsio5y68peruhgsil4568ypeorihtse48y6"; 147 int radix = 36; 148 BigInteger aNumber = new BigInteger(value, radix); 149 String result = aNumber.toString(radix); 150 assertTrue(result.equals(value)); 151 } 152 } 153
