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products/Sources/formale Sprachen/Java/Openjdk/test/jdk/java/util/ResourceBundle/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 9 kB

Quelle RBTestFmwk.java Sprache: JAVA

/*
* Copyright (c) 2007, 2022, 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.
*/
/*
* This file is available under and governed by the GNU General Public
* License version 2 only, as published by the Free Software Foundation.
* However, the following notice accompanied the original version of this
* file and, per its terms, should not be removed:
*
* (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved
* (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved
*
* Portions copyright (c) 2007 Sun Microsystems, Inc.
* All Rights Reserved.
*
* The original version of this source code and documentation
* is copyrighted and owned by Taligent, Inc., a wholly-owned
* subsidiary of IBM. These materials are provided under terms
* of a License Agreement between Taligent and Sun. This technology
* is protected by multiple US and International patents.
*
* This notice and attribution to Taligent may not be removed.
* Taligent is a registered trademark of Taligent, Inc.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for NON-COMMERCIAL purposes and without
* fee is hereby granted provided that this copyright notice
* appears in all copies. Please refer to the file "copyright.html"
* for further important copyright and licensing information.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*
*/

import java.lang.reflect.*;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.Vector;
import java.io.*;
import java.text.*;

/**
* RBTestFmwk is a base class for tests that can be run conveniently from
* the command line as well as under the Java test harness.
* <p>
* Sub-classes implement a set of methods named Test<something>. Each
* of these methods performs some test. Test methods should indicate
* errors by calling either err or errln.  This will increment the
* errorCount field and may optionally print a message to the log.
* Debugging information may also be added to the log via the log
* and logln methods.  These methods will add their arguments to the
* log only if the test is being run in verbose mode.
*/
public class RBTestFmwk {
    //------------------------------------------------------------------------
    // Everything below here is boilerplate code that makes it possible
    // to add a new test by simply adding a function to an existing class
    //------------------------------------------------------------------------

    protected RBTestFmwk() {
        // Create a hashtable containing all the test methods.
        testMethods = new Hashtable();
        Method[] methods = getClass().getDeclaredMethods();
        for( int i=0; i<methods.length; i++ ) {
            if( methods[i].getName().startsWith("Test")
                    || methods[i].getName().startsWith("test") ) {
                testMethods.put( methods[i].getName(), methods[i] );
            }
        }
    }

    protected void run(String[] args) throws Exception
    {
        System.out.println(getClass().getName() + " {");
        indentLevel++;

        // Set up the log and reference streams.  We use PrintWriters in order to
        // take advantage of character conversion.  The JavaEsc converter will
        // convert Unicode outside the ASCII range to Java's \\uxxxx notation.
        log = new PrintWriter(System.out,true);

        // Parse the test arguments.  They can be either the flag
        // "-verbose" or names of test methods. Create a list of
        // tests to be run.
        Vector testsToRun = new Vector( args.length );
        for( int i=0; i<args.length; i++ ) {
            if( args[i].equals("-verbose") ) {
                verbose = true;
            }
            else if( args[i].equals("-prompt") ) {
                prompt = true;
            } else if (args[i].equals("-nothrow")) {
                nothrow = true;
            } else {
                Object m = testMethods.get( args[i] );
                if( m != null ) {
                    testsToRun.addElement( m );
                }
                else {
                    usage();
                    return;
                }
            }
        }

        // If no test method names were given explicitly, run them all.
        if( testsToRun.size() == 0 ) {
            Enumeration methodNames = testMethods.elements();
            while( methodNames.hasMoreElements() ) {
                testsToRun.addElement( methodNames.nextElement() );
            }
        }

        // Run the list of tests given in the test arguments
        for( int i=0; i<testsToRun.size(); i++ ) {
            int oldCount = errorCount;

            Method testMethod = (Method)testsToRun.elementAt(i);
            writeTestName(testMethod.getName());

            try {
                testMethod.invoke(this, new Object[0]);
            }
            catch( IllegalAccessException e ) {
                errln("Can't acces test method " + testMethod.getName());
            }
            catch( InvocationTargetException e ) {
                errorCount++;
                log.println("\nUncaught throwable thrown in test method "
                            + testMethod.getName());
                e.getTargetException().printStackTrace(this.log);
                if (!nothrow) {
                    throw new RuntimeException("Exiting...");
                }
            }
            writeTestResult(errorCount - oldCount);
        }
        indentLevel--;
        writeTestResult(errorCount);
        if (prompt) {
            System.out.println("Hit RETURN to exit...");
            try {
                System.in.read();
            }
            catch (IOException e) {
                System.out.println("Exception: " + e.toString() + e.getMessage());
            }
        }
        if (nothrow) {
            System.exit(errorCount);
        }
    }

    /**
     * Adds given string to the log if we are in verbose mode.
     */
    protected void log( String message ) {
        if( verbose ) {
            indent(indentLevel + 1);
            log.print( message );
            log.flush();
        }
    }

    protected void logln( String message ) {
        log(message + System.getProperty("line.separator"));
    }

    /**
     * Report an error
     */
    protected void err( String message ) {
        errorCount++;
        indent(indentLevel + 1);
        log.print( message );
        log.flush();

        if (!nothrow) {
            throw new RuntimeException(message);
        }
    }

    protected void errln( String message ) {
        err(message + System.getProperty("line.separator"));
    }

    protected void writeTestName(String testName) {
        indent(indentLevel);
        log.print(testName);
        log.flush();
        needLineFeed = true;
    }

    protected void writeTestResult(int count) {
        if (!needLineFeed) {
            indent(indentLevel);
            log.print("}");
        }
        needLineFeed = false;

        if (count != 0)
            log.println(" FAILED");
        else
            log.println(" Passed");
    }

    private final void indent(int distance) {
        if (needLineFeed) {
            log.println(" {");
            needLineFeed = false;
        }
        log.print(spaces.substring(0, distance * 2));
    }

    /**
     * Print a usage message for this test class.
     */
    void usage() {
        System.out.println(getClass().getName() +
                            ": [-verbose] [-nothrow] [-prompt] [test names]");

        System.out.println("test names:");
        Enumeration methodNames = testMethods.keys();
        while( methodNames.hasMoreElements() ) {
            System.out.println("\t" + methodNames.nextElement() );
        }
    }

    private boolean     prompt = false;
    private boolean     nothrow = false;
    protected boolean   verbose = false;

    private PrintWriter log;
    private int         indentLevel = 0;
    private boolean     needLineFeed = false;
    private int         errorCount = 0;

    private Hashtable testMethods;
    private final String spaces = " ";
}

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