/*******************************************************************************
* 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 org.junit.Test;
import com.eclipsesource.tabris.passepartout.Bounds;
public class StackerTest {
@Test( expected = IllegalArgumentException.class )
public void testFailsWithNullBounds() {
new Stacker( null );
}
@Test
public void testStacksTwoRectanglesHorizontal() {
Stacker stacker = new Stacker( new Bounds( 0, 0, 200, 600 ) );
Bounds bounds1 = stacker.stack( 100, 100 );
Bounds bounds2 = stacker.stack( 100, 100 );
assertPosition( bounds1, 0, 0 );
assertPosition( bounds2, 100, 0 );
}
@Test
public void testStacksThreeRectanglesWithLineBreak() {
Stacker stacker = new Stacker( new Bounds( 0, 0, 200, 600 ) );
Bounds bounds1 = stacker.stack( 100, 100 );
Bounds bounds2 = stacker.stack( 100, 100 );
Bounds bounds3 = stacker.stack( 100, 100 );
assertPosition( bounds1, 0, 0 );
assertPosition( bounds2, 100, 0 );
assertPosition( bounds3, 0, 100 );
}
@Test
public void testStacksFourRectanglesWithLineBreak() {
Stacker stacker = new Stacker( new Bounds( 0, 0, 200, 600 ) );
Bounds bounds1 = stacker.stack( 100, 100 );
Bounds bounds2 = stacker.stack( 100, 100 );
Bounds bounds3 = stacker.stack( 100, 100 );
Bounds bounds4 = stacker.stack( 100, 100 );
assertPosition( bounds1, 0, 0 );
assertPosition( bounds2, 100, 0 );
assertPosition( bounds3, 0, 100 );
assertPosition( bounds4, 100, 100 );
}
@Test
public void testStacksFourRectanglesWithLineBreakAndUsesBiggestHeightAsY() {
Stacker stacker = new Stacker( new Bounds( 0, 0, 200, 600 ) );
Bounds bounds1 = stacker.stack( 100, 200 );
Bounds bounds2 = stacker.stack( 100, 100 );
Bounds bounds3 = stacker.stack( 100, 100 );
Bounds bounds4 = stacker.stack( 100, 100 );
assertPosition( bounds1, 0, 0 );
assertPosition( bounds2, 100, 0 );
assertPosition( bounds3, 0, 200 );
assertPosition( bounds4, 100, 200 );
}
@Test
public void testCorrectsWidthUpLeftOverPixel() {
Stacker stacker = new Stacker( new Bounds( 0, 0, 604, 300 ) );
Bounds bounds1 = stacker.stack( 201, 100 );
Bounds bounds2 = stacker.stack( 201, 100 );
Bounds bounds3 = stacker.stack( 201, 100 );
assertPosition( bounds1, 0, 0 );
assertPosition( bounds2, 201, 0 );
assertBounds( bounds3, 402, 0, 202, 100 );
}
@Test
public void testCorrectsWidthDownLeftOverPixel() {
Stacker stacker = new Stacker( new Bounds( 0, 0, 604, 300 ) );
Bounds bounds1 = stacker.stack( 202, 100 );
Bounds bounds2 = stacker.stack( 202, 100 );
Bounds bounds3 = stacker.stack( 202, 100 );
assertPosition( bounds1, 0, 0 );
assertPosition( bounds2, 202, 0 );
assertBounds( bounds3, 404, 0, 200, 100 );
}
private void assertPosition( Bounds bounds, int expectedX, int expectedY ) {
assertEquals( "X", expectedX, bounds.getX() );
assertEquals( "Y", expectedY, bounds.getY() );
}
private void assertBounds( Bounds bounds, int expectedX, int expectedY, int expectedWidth, int expectedHeight ) {
assertEquals( "X", expectedX, bounds.getX() );
assertEquals( "Y", expectedY, bounds.getY() );
assertEquals( "Width", expectedWidth, bounds.getWidth() );
assertEquals( "Height", expectedHeight, bounds.getHeight() );
}
}