95 lines
3.0 KiB
Java
95 lines
3.0 KiB
Java
/*
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* Copyright (c) 2006, 2007, 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 5017980 6576055
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* @summary Test parsing methods
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* @author Joseph D. Darcy
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*/
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/**
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* There are six methods in java.lang.Integer which transform strings
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* into an int or Integer value:
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*
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* public Integer(String s)
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* public static Integer decode(String nm)
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* public static int parseInt(String s, int radix)
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* public static int parseInt(String s)
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* public static Integer valueOf(String s, int radix)
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* public static Integer valueOf(String s)
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*
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* Besides decode, all the methods and constructor call down into
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* parseInt(String, int) to do the actual work. Therefore, the
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* behavior of parseInt(String, int) will be tested here.
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*/
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public class ParsingTest {
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public static void main(String... argv) {
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check("+100", +100);
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check("-100", -100);
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check("+0", 0);
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check("-0", 0);
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check("+00000", 0);
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check("-00000", 0);
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check("0", 0);
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check("1", 1);
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check("9", 9);
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checkFailure("\u0000");
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checkFailure("\u002f");
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checkFailure("+");
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checkFailure("-");
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checkFailure("++");
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checkFailure("+-");
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checkFailure("-+");
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checkFailure("--");
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checkFailure("++100");
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checkFailure("--100");
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checkFailure("+-6");
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checkFailure("-+6");
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checkFailure("*100");
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}
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private static void check(String val, int expected) {
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int n = Integer.parseInt(val);
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if (n != expected)
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throw new RuntimeException("Integer.parsedInt failed. String:" +
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val + " Result:" + n);
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}
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private static void checkFailure(String val) {
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int n = 0;
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try {
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n = Integer.parseInt(val);
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System.err.println("parseInt(" + val + ") incorrectly returned " + n);
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throw new RuntimeException();
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} catch (NumberFormatException nfe) {
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; // Expected
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}
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}
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}
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