/******************************************************************************
* Copyright (c) 2014 Oracle
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire.tests.modeling.el.functions.content;
import org.eclipse.sapphire.modeling.Status;
import org.eclipse.sapphire.modeling.el.FunctionContext;
import org.eclipse.sapphire.modeling.el.FunctionResult;
import org.eclipse.sapphire.modeling.el.ModelElementFunctionContext;
import org.eclipse.sapphire.modeling.el.parser.ExpressionLanguageParser;
import org.eclipse.sapphire.tests.modeling.el.TestExpr;
import org.junit.Test;
/**
* Tests Content function.
*
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class ContentFunctionTests extends TestExpr
{
@Test
public void testContentFunction()
{
final TestElement element = TestElement.TYPE.instantiate();
final FunctionContext context = new ModelElementFunctionContext( element );
FunctionResult fr = ExpressionLanguageParser.parse( "${ IntegerValue.Content }" ).evaluate( context );
try
{
assertNull( fr.value() );
element.setIntegerValue( 3 );
assertEquals( 3, fr.value() );
element.setIntegerValue( "abc" );
assertNull( fr.value() );
}
finally
{
fr.dispose();
}
fr = ExpressionLanguageParser.parse( "${ IntegerValueWithDefault.Content }" ).evaluate( context );
try
{
assertEquals( 1, fr.value() );
element.setIntegerValueWithDefault( 3 );
assertEquals( 3, fr.value() );
element.setIntegerValueWithDefault( "abc" );
assertEquals( 1, fr.value() );
}
finally
{
fr.dispose();
}
fr = ExpressionLanguageParser.parse( "${ Transient.Content }" ).evaluate( context );
try
{
assertNull( fr.value() );
element.setTransient( this );
assertSame( this, fr.value() );
}
finally
{
fr.dispose();
}
}
@Test
public void testContentFunctionNull()
{
final TestElement element = TestElement.TYPE.instantiate();
final FunctionContext context = new ModelElementFunctionContext( element );
final FunctionResult fr = ExpressionLanguageParser.parse( "${ Content( null ) }" ).evaluate( context );
try
{
final Status st = fr.status();
assertEquals( Status.Severity.ERROR, st.severity() );
assertEquals( "Function Content does not accept nulls in position 0.", st.message() );
}
finally
{
fr.dispose();
}
}
@Test
public void testContentFunctionWrongType()
{
final TestElement element = TestElement.TYPE.instantiate();
final FunctionContext context = new ModelElementFunctionContext( element );
final FunctionResult fr = ExpressionLanguageParser.parse( "${ Content( 'abc' ) }" ).evaluate( context );
try
{
final Status st = fr.status();
assertEquals( Status.Severity.ERROR, st.severity() );
assertEquals( "Function Content( java.lang.String ) is undefined.", st.message() );
}
finally
{
fr.dispose();
}
}
}