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/*
* Copyright (c) 1999, 2020, 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.
*/
/*
* (C) Copyright IBM Corp. 1999 - All Rights Reserved
*
* The original version of this source code and documentation is
* copyrighted and owned by IBM. These materials are provided
* under terms of a License Agreement between IBM and Sun.
* This technology is protected by multiple US and International
* patents. This notice and attribution to IBM may not be removed.
*/
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 TestFmwk {
//------------------------------------------------------------------------
// 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 TestFmwk() {
// 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 ) {
errln("Uncaught exception thrown in test method "
+ testMethod.getName());
e.getTargetException().printStackTrace(this.log);
}
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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