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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package complexlib;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* I have removed the assure(...) functions from ComplexTestCase due to the fact now I can
* use the functions every where and don't need to be a ComplexTestCase any longer.
*/
public class Assurance
{
public static final boolean CONTINUE = true;
/** State of the current test method **/
protected boolean state = true;
/** The message if the test did fail **/
protected String message = null;
/**
* Assure that s is true.
* This function generates "Assure failed." as standard message.
* @param s The condition that should be true.
*/
protected void assure(boolean s) {
assure("Assure failed.", s, false);
}
/**
* Assure that s is true.
* The given message will be only evaluated, if s is false.
* @param msg The message that is evaluated.
* @param s The condition that should be true.
*/
protected void assure(String msg, boolean s) {
assure(msg, s, false);
}
/**
* Assure that two int values are equal
* @param message the message to print when the equality test fails
* @param expected specifies the expected int value
* @param actual specifies the actual int value
*/
protected void assureEquals( String message, int expected, int actual ) {
assureEquals( message, new Integer( expected ), new Integer( actual ), false );
}
/**
* Assure that two string values are equal
* @param message the message to print when the equality test fails
* @param expected specifies the expected string value
* @param actual specifies the actual string value
*/
protected void assureEquals( String message, String expected, String actual ) {
assureEquals( message, expected, actual, false );
}
/**
* assures the two given sequences are of equal length, and have equal content
*/
public <T> void assureEquals( String i_message, T[] i_expected, T[] i_actual, boolean i_continue )
{
if ( i_expected.length != i_actual.length )
failed( i_message + ": expected element count: " + i_expected.length + ", actual element count: " + i_actual.length );
for ( int i=0; i<i_expected.length; ++i )
{
assureEquals( i_message + ": mismatch at element pos " + i, i_expected[i], i_actual[i], i_continue );
}
}
/** invokes a given method on a given object, and assures a certain exception is caught
* @param _message is the message to print when the check fails
* @param _object is the object to invoke the method on
* @param _methodName is the name of the method to invoke
* @param _methodArgs are the arguments to pass to the method.
* @param _argClasses are the classes to assume for the arguments of the methods
* @param _expectedExceptionClass is the class of the exception to be caught. If this is null,
* it means that <em>no</em> exception must be throw by invoking the method.
*/
private void assureException( final String _message, final Object _object, final String _methodName,
final Class<?>[] _argClasses, final Object[] _methodArgs, final Class<?> _expectedExceptionClass )
{
Class<?> objectClass = _object.getClass();
boolean noExceptionAllowed = ( _expectedExceptionClass == null );
boolean caughtExpected = noExceptionAllowed;
try
{
Method method = objectClass.getMethod( _methodName, _argClasses );
method.invoke(_object, _methodArgs );
}
catch ( InvocationTargetException e )
{
caughtExpected = noExceptionAllowed
? false
: ( e.getTargetException().getClass().equals( _expectedExceptionClass ) );
}
catch( Exception e )
{
caughtExpected = false;
}
assure( _message, caughtExpected );
}
/** invokes a given method on a given object, and assures a certain exception is caught
* @param _message is the message to print when the check fails
* @param _object is the object to invoke the method on
* @param _methodName is the name of the method to invoke
* @param _methodArgs are the arguments to pass to the method. Those implicitly define
* the classes of the arguments of the method which is called.
* @param _expectedExceptionClass is the class of the exception to be caught. If this is null,
* it means that <em>no</em> exception must be throw by invoking the method.
*/
private void assureException( final String _message, final Object _object, final String _methodName,
final Object[] _methodArgs, final Class<?> _expectedExceptionClass )
{
Class<?>[] argClasses = new Class[ _methodArgs.length ];
for ( int i=0; i<_methodArgs.length; ++i )
argClasses[i] = _methodArgs[i].getClass();
assureException( _message, _object, _methodName, argClasses, _methodArgs, _expectedExceptionClass );
}
/**
* Mark the currently executed method as failed.
* with the given message.
* @param msg The message of the failure.
*/
protected void failed(String msg) {
assure(msg, false, false);
}
/**
* Assure that s is true.
* The given message will be only evaluated, if s is false.
* Normally, assure() leaves the current test method, and the next one
* is executed. With the parameter 'cont' set to true, the current test
* method will continue.<br>
* The current method will of course marked as failed.
* @param msg The message that is evaluated.
* @param s The condition that should be true.
* @param cont Continue with test method, even if s is false.
*/
protected void assure(String msg, boolean s, boolean cont) {
state &= s;
if (!s) {
message += msg + "\r\n";
if (!cont) {
throw new AssureException(msg);
}
}
}
private void assureEquals( String message, Object expected, Object actual, boolean cont ) {
assure( message + " (expected: " + expected.toString() + ", actual: " + actual.toString() + ")",
expected.equals( actual ), cont );
}
/**
* Mark the currently executed method as failed.
* with the given message.
* The given message will be only evaluated, if s is false.
* With the parameter 'cont' set to true, the current test
* method will continue.<br>
* The current method will of course marked as failed.
* @param msg The message that is evaluated.
* @param cont Continue with test method, even if s is false.
*/
protected void failed(String msg, boolean cont) {
assure(msg, false, cont);
}
public class AssureException extends RuntimeException {
public AssureException(String msg) {
super(msg);
}
}
}
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