1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.core; 18 19 import junit.framework.TestCase; 20 import android.test.suitebuilder.annotation.SmallTest; 21 22 /** 23 * Tests for functionality of class Integer to parse integers. 24 */ 25 public class ParseIntTest extends TestCase { 26 27 @SmallTest testParseInt()28 public void testParseInt() throws Exception { 29 assertEquals(0, Integer.parseInt("0", 10)); 30 assertEquals(473, Integer.parseInt("473", 10)); 31 assertEquals(0, Integer.parseInt("-0", 10)); 32 assertEquals(-255, Integer.parseInt("-FF", 16)); 33 assertEquals(102, Integer.parseInt("1100110", 2)); 34 assertEquals(2147483647, Integer.parseInt("2147483647", 10)); 35 assertEquals(-2147483648, Integer.parseInt("-2147483648", 10)); 36 37 try { 38 Integer.parseInt("2147483648", 10); 39 fail(); 40 } catch (NumberFormatException e) { 41 // ok 42 } 43 44 try { 45 Integer.parseInt("-2147483649", 10); 46 fail(); 47 } catch (NumberFormatException e) { 48 // ok 49 } 50 51 // One digit too many 52 try { 53 Integer.parseInt("21474836470", 10); 54 fail(); 55 } catch (NumberFormatException e) { 56 // ok 57 } 58 59 try { 60 Integer.parseInt("-21474836480", 10); 61 fail(); 62 } catch (NumberFormatException e) { 63 // ok 64 } 65 66 try { 67 Integer.parseInt("21474836471", 10); 68 fail(); 69 } catch (NumberFormatException e) { 70 // ok 71 } 72 73 try { 74 Integer.parseInt("-21474836481", 10); 75 fail(); 76 } catch (NumberFormatException e) { 77 // ok 78 } 79 80 try { 81 Integer.parseInt("214748364710", 10); 82 fail(); 83 } catch (NumberFormatException e) { 84 // ok 85 } 86 87 try { 88 Integer.parseInt("-214748364811", 10); 89 fail(); 90 } catch (NumberFormatException e) { 91 // ok 92 } 93 94 try { 95 Integer.parseInt("99", 8); 96 fail(); 97 } catch (NumberFormatException e) { 98 // ok 99 } 100 101 try { 102 Integer.parseInt("Kona", 10); 103 fail(); 104 } catch (NumberFormatException e) { 105 // ok 106 } 107 108 assertEquals(411787, Integer.parseInt("Kona", 27)); 109 } 110 } 111