LengthTest.java

/*
 * Rapid Beans Framework: LengthTest.java
 * 
 * Copyright Martin Bluemel, 2008
 * 
 * Nov 14, 2005
 */
package org.rapidbeans.domain.math;

import java.math.BigDecimal;

import junit.framework.TestCase;

import org.rapidbeans.core.type.TypeRapidQuantity;

/**
 * Unit tests for class Length.
 * 
 * @author Martin Bluemel
 */
public final class LengthTest extends TestCase {

	/**
	 * test constructor with string.
	 */
	public void testLengthString() {
		Length len = new Length("11 m");
		assertSame(TypeRapidQuantity.forName("org.rapidbeans.domain.math.Length"), len.getType());
		assertSame(Length.class, len.getType().getImplementingClass());
		assertEquals(new BigDecimal("11"), len.getMagnitude());
		assertSame(UnitLength.m, len.getUnit());
	}

	/**
	 * test constructor with decimal and unit.
	 */
	public void testLengthMagUnit() {
		Length len = new Length(new BigDecimal("123"), UnitLength.pm);
		assertSame(TypeRapidQuantity.forName("org.rapidbeans.domain.math.Length"), len.getType());
		assertSame(Length.class, len.getType().getImplementingClass());
		assertEquals(new BigDecimal("123"), len.getMagnitude());
		assertSame(UnitLength.pm, len.getUnit());
	}

	/**
	 * test conversion.
	 */
	public void testLengthConvert() {
		Length len = new Length(new BigDecimal("123"), UnitLength.um);
		assertEquals(new Length("0.000000123 km"), len.convert(UnitLength.km));
		assertEquals(new Length("0.000123 m"), len.convert(UnitLength.m));
		assertEquals(new Length("123 um"), len.convert(UnitLength.um));
		assertEquals(new Length("1.23E+5 nm"), len.convert(UnitLength.nm));
		assertEquals(new Length("1.23E+8 pm"), len.convert(UnitLength.pm));
	}
}