69 lines
2.4 KiB
Java
69 lines
2.4 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8196740
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* @summary Check j.l.Character.digit(int,int) for Latin1 characters
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*/
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public class Latin1Digit {
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public static void main(String[] args) throws Exception {
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for (int ch = 0; ch < 256; ++ch) {
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for (int radix = -256; radix <= 256; ++radix) {
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test(ch, radix);
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}
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test(ch, Integer.MIN_VALUE);
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test(ch, Integer.MAX_VALUE);
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}
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}
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static void test(int ch, int radix) throws Exception {
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int d1 = Character.digit(ch, radix);
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int d2 = canonicalDigit(ch, radix);
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if (d1 != d2) {
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throw new Exception("Wrong result for char="
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+ ch + " (" + (char)ch + "), radix="
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+ radix + "; " + d1 + " != " + d2);
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}
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}
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// canonical version of Character.digit(int,int) for Latin1
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static int canonicalDigit(int ch, int radix) {
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if (radix < Character.MIN_RADIX || radix > Character.MAX_RADIX) {
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return -1;
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}
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if (ch >= '0' && ch <= '9' && ch < (radix + '0')) {
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return ch - '0';
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}
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if (ch >= 'A' && ch <= 'Z' && ch < (radix + 'A' - 10)) {
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return ch - 'A' + 10;
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}
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if (ch >= 'a' && ch <= 'z' && ch < (radix + 'a' - 10)) {
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return ch - 'a' + 10;
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}
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return -1;
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}
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}
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