1 /* 2 * Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /* 26 * @test 27 * @bug 6431242 28 * @run main Test 29 */ 30 31 public class Test{ 32 33 int _len = 8; 34 int[] _arr_i = new int[_len]; 35 long[] _arr_l = new long[_len]; 36 37 int[] _arr_i_cp = new int [_len]; 38 long[] _arr_l_cp = new long [_len]; 39 40 int _k = 0x12345678; 41 int _j = 0; 42 int _ir = 0x78563412; 43 int _ir1 = 0x78563413; 44 int _ir2 = 0x79563412; 45 46 long _m = 0x123456789abcdef0L; 47 long _l = 0L; 48 long _lr = 0xf0debc9a78563412L; 49 long _lr1 = 0xf0debc9a78563413L; 50 long _lr2 = 0xf1debc9a78563412L; 51 52 void init() { 53 for (int i=0; i<_arr_i.length; i++) { 54 _arr_i[i] = _k; 55 _arr_l[i] = _m; 56 } 57 } 58 59 public int test_int_reversed(int i) { 60 return Integer.reverseBytes(i); 61 } 62 63 public long test_long_reversed(long i) { 64 return Long.reverseBytes(i); 65 } 66 67 public void test_copy_ints(int[] dst, int[] src) { 68 for(int i=0; i<src.length; i++) { 69 dst[i] = Integer.reverseBytes(src[i]); 70 } 71 } 72 73 public void test_copy_ints_reversed(int[] dst, int[] src) { 74 for (int i=0; i<src.length; i++) { 75 dst[i] = 1 + Integer.reverseBytes(src[i]); 76 } 77 } 78 79 public void test_copy_ints_store_reversed(int[] dst, int[] src) { 80 for(int i=0; i<src.length; i++) { 81 dst[i] = Integer.reverseBytes(1 + src[i]); 82 } 83 } 84 85 public void test_copy_longs(long[] dst, long[] src) { 86 for(int i=0; i<src.length; i++) { 87 dst[i] = Long.reverseBytes(src[i]); 88 } 89 } 90 91 public void test_copy_longs_reversed(long[] dst, long[] src) { 92 for (int i=0; i<src.length; i++) { 93 dst[i] = 1 + Long.reverseBytes(src[i]); 94 } 95 } 96 97 public void test_copy_longs_store_reversed(long[] dst, long[] src) { 98 for(int i=0; i<src.length; i++) { 99 dst[i] = Long.reverseBytes(1 + src[i]); 100 } 101 } 102 103 public void test() throws Exception { 104 int up_limit=90000; 105 106 107 //test single 108 109 for (int loop=0; loop<up_limit; loop++) { 110 _j = test_int_reversed(_k); 111 if (_j != _ir ) { 112 throw new Exception("Interger.reverseBytes failed " + _j + " iter " + loop); 113 } 114 _l = test_long_reversed(_m); 115 if (_l != _lr ) { 116 throw new Exception("Long.reverseBytes failed " + _l + " iter " + loop); 117 } 118 } 119 120 // test scalar load/store 121 for (int loop=0; loop<up_limit; loop++) { 122 123 test_copy_ints(_arr_i_cp, _arr_i); 124 for (int j=0; j< _arr_i.length; j++) { 125 if (_arr_i_cp[j] != _ir) { 126 throw new Exception("Interger.reverseBytes failed test_copy_ints iter " + loop); 127 } 128 } 129 130 test_copy_ints_reversed(_arr_i_cp, _arr_i); 131 for (int j=0; j< _arr_i.length; j++) { 132 if (_arr_i_cp[j] != _ir1) { 133 throw new Exception("Interger.reverseBytes failed test_copy_ints_reversed iter " + loop); 134 } 135 } 136 test_copy_ints_store_reversed(_arr_i_cp, _arr_i); 137 for (int j=0; j< _arr_i.length; j++) { 138 if (_arr_i_cp[j] != _ir2) { 139 throw new Exception("Interger.reverseBytes failed test_copy_ints_store_reversed iter " + loop); 140 } 141 } 142 143 test_copy_longs(_arr_l_cp, _arr_l); 144 for (int j=0; j< _arr_i.length; j++) { 145 if (_arr_l_cp[j] != _lr) { 146 throw new Exception("Long.reverseBytes failed test_copy_longs iter " + loop); 147 } 148 } 149 test_copy_longs_reversed(_arr_l_cp, _arr_l); 150 for (int j=0; j< _arr_i.length; j++) { 151 if (_arr_l_cp[j] != _lr1) { 152 throw new Exception("Long.reverseBytes failed test_copy_longs_reversed iter " + loop); 153 } 154 } 155 test_copy_longs_store_reversed(_arr_l_cp, _arr_l); 156 for (int j=0; j< _arr_i.length; j++) { 157 if (_arr_l_cp[j] != _lr2) { 158 throw new Exception("Long.reverseBytes failed test_copy_longs_store_reversed iter " + loop); 159 } 160 } 161 162 } 163 } 164 165 public static void main(String args[]) { 166 try { 167 Test t = new Test(); 168 t.init(); 169 t.test(); 170 System.out.println("Passed"); 171 }catch (Exception e) { 172 e.printStackTrace(); 173 System.out.println("Failed"); 174 } 175 } 176 }