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products/Sources/formale Sprachen/Java/Openjdk/test/jdk/java/util/StringTokenizer/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 3 kB

Quelle ResetPos.java Sprache: JAVA

/*
* Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

/* @test
* @bug 4238266 @summary Reset the currentposition of
* StringTokenizer if delimiters changed in a invocation of nextToken() after
* invoking hasMoreTokens()
*/

import java.util.StringTokenizer;

public class ResetPos {

    static void checkValue(String val, String checkVal) {
        System.out.println("Comparing \""+ val + "\" <----> \"" + checkVal +
                "\"");
        if (!val.equals(checkVal))
            throw new RuntimeException("Test failed");
    }

    public static void main(String[] argv) {
        // Simple test
        StringTokenizer st1 = new StringTokenizer("ab", "b", true);
        checkValue("a", st1.nextToken("b"));
        st1.hasMoreTokens();
        checkValue("b", st1.nextToken(""));

        // Test with retDelims set to true
        StringTokenizer st2 = new StringTokenizer("abcd efg", "abc", true);
        st2.hasMoreTokens();
        checkValue("a", st2.nextToken("bc"));
        st2.hasMoreTokens();
        checkValue("b", st2.nextToken());
        st2.hasMoreTokens();
        checkValue("cd", st2.nextToken(" ef"));
        st2.hasMoreTokens();
        checkValue(" ", st2.nextToken(" "));
        st2.hasMoreTokens();
        checkValue("ef", st2.nextToken("g"));
        st2.hasMoreTokens();
        checkValue("g", st2.nextToken("g"));

        // Test with changing delimiters
        StringTokenizer st3 = new StringTokenizer("this is,a interesting,sentence of small, words", ",");
        st3.hasMoreTokens();
        checkValue("this is", st3.nextToken()); // "this is"
        st3.hasMoreTokens();
        checkValue(",a", st3.nextToken(" "));   // ",a"
        st3.hasMoreTokens();
        checkValue(" interesting", st3.nextToken(",")); // " interesting"
        st3.hasMoreTokens();
        checkValue(",sentence", st3.nextToken(" ")); // ",sentence"
        st3.hasMoreTokens();
        checkValue(" of small", st3.nextToken(",")); // " of small"
        st3.hasMoreTokens();
        checkValue(" words", st3.nextToken()); // " words"
    }
}

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