package com.vaadin.tests.server.components;
import junit.framework.TestCase;
import com.vaadin.ui.GridLayout;
import com.vaadin.ui.Label;
public class TestGridLayoutLastRowRemoval extends TestCase {
public void testRemovingLastRow() {
GridLayout grid = new GridLayout(2, 1);
grid.addComponent(new Label("Col1"));
grid.addComponent(new Label("Col2"));
try {
// Removing the last row in the grid
grid.removeRow(0);
} catch (IllegalArgumentException iae) {
// Removing the last row should not throw an
// IllegalArgumentException
fail("removeRow(0) threw an IllegalArgumentExcetion when removing the last row");
}
// The column amount should be preserved
assertEquals(2, grid.getColumns());
// There should be one row left
assertEquals(1, grid.getRows());
// There should be no component left in the grid layout
assertNull("A component should not be left in the layout",
grid.getComponent(0, 0));
assertNull("A component should not be left in the layout",
grid.getComponent(1, 0));
// The cursor should be in the first cell
assertEquals(0, grid.getCursorX());
assertEquals(0, grid.getCursorY());
}
}