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/*
* (C) 2011-2012 Simon Busch <morphis@gravedo.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
using GLib;
namespace FsoFramework.Test
{
public errordomain AssertError
{
UNEXPECTED_VALUE,
UNEXPECTED_STATE,
}
public class Assert : GLib.Object
{
private static string typed_value_to_string<T>( T value )
{
string result = "";
Type value_type = typeof(T);
if ( value_type.is_value_type() )
{
if ( value_type.is_a( typeof(string) ) )
result = @"$((string) value)";
else if ( value_type.is_a( typeof(int32) ) )
result = @"$((int32) value)";
else if ( value_type.is_a( typeof(uint32) ) )
result = @"$((uint32) value)";
else if ( value_type.is_a( typeof(int16) ) )
result = @"$((int16) value)";
else if ( value_type.is_a( typeof(uint16) ) )
result = @"$((uint16) value)";
else if ( value_type.is_a( typeof(int8) ) )
result = @"$((int8) value)";
else if ( value_type.is_a( typeof(uint8) ) )
result = @"$((uint8) value)";
else if ( value_type.is_a( typeof(bool) ) )
result = @"$((bool) value)";
}
return result;
}
private static void throw_unexpected_value( string info, string message ) throws AssertError
{
throw new AssertError.UNEXPECTED_VALUE( info + ( message.length > 0 ? @" : $(message)" : "" ) );
}
/**
* Check wether two values of type T are the same. If both values are different an
* exception of type AssertError is thrown.
*
* @param expected Expected value
* @param actual Actual value to compare with the expected one
* @param message Extra description message if both values are different
**/
public static void are_equal<T>( T expected, T actual, string message = "" ) throws AssertError
{
if ( expected != actual )
{
var msg = @"$(typed_value_to_string(expected)) != $(typed_value_to_string(actual))";
throw_unexpected_value( @"Actual value is not the same as the expected one: $(msg)", message );
}
}
/**
* Check wether two values of type T are not the same. If both values are the same an
* exception of type AssertError is thrown.
*
* @param not_expected Not expected value
* @param actual Actual value to compare with the not expected one
* @param message Extra description message if both values are not different
**/
public static void are_not_equal<T>( T not_expected, T actual, string message = "" ) throws AssertError
{
if ( not_expected == actual )
{
var msg = "$(typed_value_to_string(expected)) == $(typed_value_to_string(actual))";
throw_unexpected_value( @"Actual value is the same as the not expected one: $(msg)", message );
}
}
/**
* Check wether a boolean value is true and throw an exception otherwise.
*
* @param actual Value to check if it's true or not
* @param message Text message to append to error message when assert failed
**/
public static void is_true( bool actual, string message = "" ) throws AssertError
{
if ( !actual )
throw_unexpected_value( "Supplied value is not true", message );
}
/**
* Check wether a boolean value is false and throw an exception otherwise.
*
* @param actual Value to check if it's false or not
* @param message Text message to append to error message when assert failed
**/
public static void is_false( bool actual, string message = "" ) throws AssertError
{
if ( actual )
throw_unexpected_value( "Supplied value is not false", message );
}
/**
* Let test execution fail regardless any condition.
*
* @param message Text to append to error message
**/
public static void fail( string message ) throws AssertError
{
throw new AssertError.UNEXPECTED_STATE( message );
}
/**
* Check wether an async operation throws a specific exception.
*
* @param fbegin Method to start execution of async operation
* @param ffinish Method to finish execution of async operation
* @param domain Error domain of the exception which should be thrown by the async
operation.
* @param message Text message to append to error message when specific exception
* is not thrown.
**/
public static void should_throw_async( AsyncBegin fbegin, AsyncFinish ffinish, string domain, string message = "" ) throws AssertError
{
try
{
if ( !wait_for_async( 200, fbegin, ffinish ) )
throw_unexpected_value( "Execution of async method didn't returns the expected value", message );
}
catch ( GLib.Error err )
{
if ( err.domain.to_string() != domain )
throw_unexpected_value( @"Didn't receive the expected exception of type $domain", message );
return;
}
throw new AssertError.UNEXPECTED_STATE( @"Function didn't throw expected exception" );
}
}
}
// vim:ts=4:sw=4:expandtab
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