FormattedTextStringTest.java

package com.xenoage.zong.text;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

import com.xenoage.utils.font.FontInfo;
import com.xenoage.utils.math.Units;
import com.xenoage.zong.core.text.FormattedTextElement;
import com.xenoage.zong.core.text.FormattedTextString;
import com.xenoage.zong.core.text.FormattedTextStyle;

/**
 * Tests for {@link FormattedTextElement}
 * 
 * @author Andreas Wenger
 */
public class FormattedTextStringTest {

	@Test public void testAscentAndDescent() {
		FormattedTextStyle style = new FormattedTextStyle(new FontInfo("Arial", 72f, null));
		float ascent = Units.pxToMm(66, 1);
		float descent = Units.pxToMm(16, 1);
		float delta = 1f; //TODO: why so rough?
		//any letters
		FormattedTextElement text = new FormattedTextString("AbcdefÄß*^^°}yqg", style);
		assertEquals(ascent, text.getMetrics().getAscent(), delta);
		assertEquals(descent, text.getMetrics().getDescent(), delta);
		//only "small" letters - must have same result
		text = new FormattedTextString("acemnorsuvwxz", style);
		assertEquals(ascent, text.getMetrics().getAscent(), delta);
		assertEquals(descent, text.getMetrics().getDescent(), delta);
	}

}