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/*******************************************************************************
* Copyright (c) 2004, 2008 John Krasnay 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:
* John Krasnay - initial API and implementation
*******************************************************************************/
package org.eclipse.vex.core.internal.layout;
import java.net.URL;
import junit.framework.TestCase;
import org.eclipse.vex.core.internal.core.DisplayDevice;
import org.eclipse.vex.core.internal.css.MockDisplayDevice;
import org.eclipse.vex.core.internal.css.StyleSheet;
import org.eclipse.vex.core.internal.css.StyleSheetReader;
import org.eclipse.vex.core.internal.css.Styles;
import org.eclipse.vex.core.internal.dom.RootElement;
public class TestStaticTextBox extends TestCase {
FakeGraphics g;
LayoutContext context;
RootElement root = new RootElement("root");
Styles styles;
@Override
protected void setUp() throws Exception {
// TODO Auto-generated method stub
super.setUp();
DisplayDevice.setCurrent(new MockDisplayDevice(90, 90));
final URL url = this.getClass().getResource("test.css");
final StyleSheetReader reader = new StyleSheetReader();
final StyleSheet ss = reader.read(url);
g = new FakeGraphics();
context = new LayoutContext();
context.setBoxFactory(new CssBoxFactory());
context.setGraphics(g);
context.setStyleSheet(ss);
styles = context.getStyleSheet().getStyles(root);
}
public TestStaticTextBox() throws Exception {
}
public void testSplit() throws Exception {
final int width = g.getCharWidth();
final StaticTextBox box = new StaticTextBox(context, root, "baggy orange trousers");
assertEquals(box.getText().length() * width, box.getWidth());
assertEquals(styles.getLineHeight(), box.getHeight());
assertSplit(box, 22, false, "baggy orange ", "trousers");
assertSplit(box, 21, false, "baggy orange ", "trousers");
assertSplit(box, 20, false, "baggy orange ", "trousers");
assertSplit(box, 13, false, "baggy orange ", "trousers");
assertSplit(box, 12, false, "baggy ", "orange trousers");
assertSplit(box, 6, false, "baggy ", "orange trousers");
assertSplit(box, 5, false, null, "baggy orange trousers");
assertSplit(box, 1, false, null, "baggy orange trousers");
assertSplit(box, 0, false, null, "baggy orange trousers");
assertSplit(box, -1, false, null, "baggy orange trousers");
assertSplit(box, 22, true, "baggy orange ", "trousers");
assertSplit(box, 21, true, "baggy orange ", "trousers");
assertSplit(box, 20, true, "baggy orange ", "trousers");
assertSplit(box, 13, true, "baggy orange ", "trousers");
assertSplit(box, 12, true, "baggy ", "orange trousers");
assertSplit(box, 6, true, "baggy ", "orange trousers");
assertSplit(box, 5, true, "baggy ", "orange trousers");
assertSplit(box, 4, true, "bagg", "y orange trousers");
assertSplit(box, 3, true, "bag", "gy orange trousers");
assertSplit(box, 2, true, "ba", "ggy orange trousers");
assertSplit(box, 1, true, "b", "aggy orange trousers");
assertSplit(box, 0, true, "b", "aggy orange trousers");
assertSplit(box, -1, true, "b", "aggy orange trousers");
}
public void testSpaceSplit() throws Exception {
final StaticTextBox box = new StaticTextBox(context, root, "red green");
assertSplit(box, 11, false, "red ", "green");
assertSplit(box, 10, false, "red ", "green");
assertSplit(box, 9, false, "red ", "green");
assertSplit(box, 5, false, "red ", "green");
}
private void assertSplit(final StaticTextBox box, final int splitPos, final boolean force, final String left, final String right) {
final Styles styles = context.getStyleSheet().getStyles(box.getElement());
final int width = g.getCharWidth();
final InlineBox.Pair pair = box.split(context, splitPos * width, force);
final StaticTextBox leftBox = (StaticTextBox) pair.getLeft();
final StaticTextBox rightBox = (StaticTextBox) pair.getRight();
if (left == null) {
assertNull(leftBox);
} else {
assertNotNull(leftBox);
assertEquals(left, leftBox.getText());
assertEquals(left.length() * width, leftBox.getWidth());
assertEquals(styles.getLineHeight(), leftBox.getHeight());
}
if (right == null) {
assertNull(rightBox);
} else {
assertNotNull(rightBox);
assertEquals(right, rightBox.getText());
assertEquals(right.length() * width, rightBox.getWidth());
assertEquals(styles.getLineHeight(), rightBox.getHeight());
}
}
}
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