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/*******************************************************************************
* Copyright (c) 2000, 2019 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.tests.junit;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Widget;
import org.junit.Before;
import org.junit.Test;
/**
* Automated Test Suite for class org.eclipse.swt.widgets.Composite
*
* @see org.eclipse.swt.widgets.Composite
*/
public class Test_org_eclipse_swt_widgets_Composite extends Test_org_eclipse_swt_widgets_Scrollable {
Composite composite;
@Override
@Before
public void setUp() {
super.setUp();
composite = new Composite(shell, 0);
super.setWidget(composite);
}
@Override
@Test
public void test_ConstructorLorg_eclipse_swt_widgets_CompositeI() {
try {
composite = new Composite(null, 0);
fail("No exception thrown");
}
catch (IllegalArgumentException e) {
}
int[] cases = {SWT.H_SCROLL, SWT.V_SCROLL, SWT.H_SCROLL | SWT.V_SCROLL};
for (int i = 0; i < cases.length; i++)
composite = new Composite(shell, cases[i]);
}
@Test
public void test_getChildren() {
assertArrayEquals(":a:", new Control[]{}, composite.getChildren());
Composite c1 = new Composite(composite, 0);
assertArrayEquals(":b:", new Control[]{c1}, composite.getChildren());
List c2 = new List(composite, 0);
assertArrayEquals(":c:", new Control[]{c1, c2}, composite.getChildren());
Button c3 = new Button(composite, 0);
assertArrayEquals(":d:", new Control[]{c1, c2, c3}, composite.getChildren());
c2.dispose();
assertArrayEquals(":e:", new Control[]{c1, c3}, composite.getChildren());
Control[] children = composite.getChildren();
for (int i = 0; i < children.length; i++)
children[i].dispose();
assertArrayEquals(":f:", new Control[]{}, composite.getChildren());
}
@Test
public void test_setVisibility_and_sizing() {
// Note: This test needs it's own shell/composite because original bug is only
// reproduced if composite has style SWT.BORDER. (the setup() creates one without border).
Shell visibilityShell = new Shell();
visibilityShell.setSize(500, 500);
Composite visibilityComposite = new Composite(visibilityShell, SWT.BORDER);
visibilityShell.setLayout(new FillLayout());
visibilityComposite.setLayout(new FillLayout());
Button button = new Button(visibilityComposite, SWT.PUSH);
button.setText("Test Button");
visibilityComposite.setVisible(false);
visibilityComposite.setVisible(true);
visibilityShell.layout();
// // Useful for troubleshooting: // should be like:
// System.out.println("Shell size : " + visibilityShell.getSize().toString()); // >> 500,500
// System.out.println("SComp size : " + visibilityComposite.getSize().toString()); // >> 500, 463
// System.out.println("Button size: " + button.getSize().toString()); // >> 500,463
Point compSize = visibilityComposite.getSize();
assertTrue("Composite should be aprox 500 by 463 px, but instead it is: " + compSize.toString(),
compSize.x > 100 && compSize.y > 100); // If this is 1x1 or 0x0 then there was some fault in layout.
}
@Test
public void test_setFocus_toChild_afterOpen() {
Text focusChild = new Text(composite, SWT.NONE);
shell.open();
if (SwtTestUtil.isGTK) {
shell.forceActive();
}
assertEquals(shell, shell.getDisplay().getActiveShell());
composite.setFocus();
assertTrue("First child widget should have focus", focusChild.isFocusControl());
}
@Test
public void test_setFocus_toChild_beforeOpen() {
Text focusChild = new Text(composite, SWT.NONE);
composite.setFocus();
shell.open();
if (SwtTestUtil.isGTK) {
shell.forceActive();
}
assertEquals(shell, shell.getDisplay().getActiveShell());
assertTrue("First child widget should have focus", focusChild.isFocusControl());
}
@Test
public void test_setTabList$Lorg_eclipse_swt_widgets_Control() {
Button button1 = new Button(composite, SWT.PUSH);
Button button2 = new Button(composite, SWT.PUSH);
Control[] tablist = new Control[] {button1, button2};
composite.setTabList(tablist);
assertArrayEquals(tablist, composite.getTabList());
button1.dispose();
button2.dispose();
}
/* custom */
@Override
protected void setWidget(Widget w) {
if (composite != null)
composite.dispose();
composite = (Composite)w;
super.setWidget(w);
}
}
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