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1 /* |
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2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /** |
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25 * @test |
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26 * @bug 8196740 |
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27 * @summary Check j.l.Character.digit(int,int) for Latin1 characters |
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28 */ |
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29 |
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30 public class Latin1Digit { |
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31 |
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32 public static void main(String[] args) throws Exception { |
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33 for (int ch = 0; ch < 256; ++ch) { |
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34 for (int radix = -256; radix <= 256; ++radix) { |
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35 test(ch, radix); |
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36 } |
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37 test(ch, Integer.MIN_VALUE); |
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38 test(ch, Integer.MAX_VALUE); |
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39 } |
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40 } |
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41 |
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42 static void test(int ch, int radix) throws Exception { |
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43 int d1 = Character.digit(ch, radix); |
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44 int d2 = canonicalDigit(ch, radix); |
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45 if (d1 != d2) { |
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46 throw new Exception("Wrong result for char=" |
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47 + ch + " (" + (char)ch + "), radix=" |
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48 + radix + "; " + d1 + " != " + d2); |
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49 } |
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50 } |
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51 |
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52 // canonical version of Character.digit(int,int) for Latin1 |
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53 static int canonicalDigit(int ch, int radix) { |
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54 if (radix < Character.MIN_RADIX || radix > Character.MAX_RADIX) { |
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55 return -1; |
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56 } |
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57 if (ch >= '0' && ch <= '9' && ch < (radix + '0')) { |
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58 return ch - '0'; |
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59 } |
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60 if (ch >= 'A' && ch <= 'Z' && ch < (radix + 'A' - 10)) { |
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61 return ch - 'A' + 10; |
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62 } |
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63 if (ch >= 'a' && ch <= 'z' && ch < (radix + 'a' - 10)) { |
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64 return ch - 'a' + 10; |
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65 } |
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66 return -1; |
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67 } |
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68 } |