VerticalLayoutParentResizeTest.java

package de.lessvoid.nifty.layout.manager;

import de.lessvoid.nifty.layout.Box;
import de.lessvoid.nifty.layout.BoxConstraints;
import de.lessvoid.nifty.layout.LayoutPart;
import de.lessvoid.nifty.tools.SizeValue;
import org.junit.Before;
import org.junit.Test;

import java.util.Arrays;

import static org.junit.Assert.assertEquals;

public class VerticalLayoutParentResizeTest {
  private LayoutPart root;
  private LayoutPart a;
  private LayoutPart b;
  private LayoutManager layout;

  @Before
  public void before() {
    root = new LayoutPart(new Box(), new BoxConstraints());
    a = new LayoutPart();
    b = new LayoutPart();
    layout = new VerticalLayout();
  }

  @Test
  public void testSingleChildWidth() throws Exception {
    a.getBoxConstraints().setWidth(SizeValue.px(25));
    assertEquals(SizeValue.px(25), layout.calculateConstraintWidth(root, Arrays.asList(a)));
  }

  @Test
  public void testSingleChildHeight() throws Exception {
    a.getBoxConstraints().setHeight(SizeValue.px(25));
    assertEquals(SizeValue.px(25), layout.calculateConstraintHeight(root, Arrays.asList(a)));
  }

  @Test
  public void testWidthIsMax() throws Exception {
    a.getBoxConstraints().setWidth(SizeValue.px(25));
    b.getBoxConstraints().setWidth(SizeValue.px(75));
    assertEquals(SizeValue.px(75), layout.calculateConstraintWidth(root, Arrays.asList(a, b)));
  }

  @Test
  public void testHeightIsSum() throws Exception {
    a.getBoxConstraints().setHeight(SizeValue.px(25));
    b.getBoxConstraints().setHeight(SizeValue.px(75));
    assertEquals(SizeValue.px(100), layout.calculateConstraintHeight(root, Arrays.asList(a, b)));
  }
}