/*******************************************************************************
* Copyright (c) 2014 EclipseSource and others.
* 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:
* EclipseSource - initial API and implementation
******************************************************************************/
package com.eclipsesource.tabris.passepartout.internal;
import static org.junit.Assert.assertEquals;
import java.math.BigDecimal;
import org.junit.Test;
import com.eclipsesource.tabris.passepartout.internal.unit.Em;
import com.eclipsesource.tabris.passepartout.internal.unit.Percentage;
import com.eclipsesource.tabris.passepartout.internal.unit.Pixel;
public class UnitUtilTest {
@Test
public void testCalculatesPercentage() {
int pixel = UnitUtil.percentageToPixel( new Percentage( BigDecimal.TEN ), 100 );
assertEquals( 10, pixel );
}
@Test( expected = IllegalArgumentException.class )
public void testCalculatesPercentageFailsWithNegativePercent() {
UnitUtil.percentageToPixel( new Percentage( BigDecimal.TEN ), -100 );
}
@Test( expected = IllegalArgumentException.class )
public void testCalculatesPercentageFailsWithWrongUnit() {
UnitUtil.percentageToPixel( new Pixel( 23 ), 100 );
}
@Test
public void testCalculatesEm() {
int pixel = UnitUtil.emToPixel( new Em( BigDecimal.TEN ), 10 );
assertEquals( 100, pixel );
}
@Test( expected = IllegalArgumentException.class )
public void testCalculatesEmFailsWithNegativeFontSize() {
UnitUtil.emToPixel( new Em( BigDecimal.TEN ), -10 );
}
@Test( expected = IllegalArgumentException.class )
public void testCalculatesEmFailsWithWrongUnit() {
UnitUtil.emToPixel( new Percentage( BigDecimal.TEN ), 10 );
}
}