VersionTest.java

/*
 * Rapid Beans Framework: VersionTest.java
 * 
 * Copyright Martin Bluemel, 2008
 * 
 * Dec 7, 2008
 */
package org.rapidbeans.core.util;

import junit.framework.TestCase;

/**
 * Tests for the StringHelper.
 * 
 * @author Martin Bluemel
 */
public final class VersionTest extends TestCase {

	public void testCompareToNumbersEqual() {
		assertEquals(0, new Version("1.2.3").compareTo(new Version("1.2.3")));
	}

	public void testCompareToNumbersGreaterEqualDim() {
		assertEquals(1, new Version("1.2.4").compareTo(new Version("1.2.3")));
	}

	public void testCompareToNumbersGreaterDifferentDim1() {
		assertEquals(1, new Version("1.3").compareTo(new Version("1.2.3")));
	}

	public void testCompareToNumbersGreaterDifferentDim2() {
		assertEquals(1, new Version("1.3.1").compareTo(new Version("1.2")));
	}

	public void testCompareToNumbersLessDifferentDim1() {
		assertEquals(-1, new Version("1.2.2.4").compareTo(new Version("1.3")));
	}

	public void testCompareToNumbersLessDifferentDim2() {
		assertEquals(-1, new Version("1.3").compareTo(new Version("1.4.3")));
	}

	public void testCompareToNumbersLess() {
		assertEquals(-1, new Version("1.2.2").compareTo(new Version("1.2.3")));
	}

	public void testCompareToMixedEqual() {
		assertEquals(0, new Version("1.2.b").compareTo(new Version("1.2.b")));
	}

	public void testCompareToMixedGreater() {
		assertEquals(1, new Version("1.2.b").compareTo(new Version("1.2.a")));
	}

	public void testCompareToMixedLess() {
		assertEquals(-1, new Version("1.2.b").compareTo(new Version("1.2.c")));
	}

	public void testCompareToNumbersGreaterDifferentLengthGreater() {
		assertEquals(1, new Version("1.2.a").compareTo(new Version("1.2")));
	}

	public void testCompareToNumbersGreaterDifferentLengthLess() {
		assertEquals(-1, new Version("1.2").compareTo(new Version("1.2.1")));
	}

	public void testCompareToMixedNumberVsNonNumberGreater() {
		assertEquals(1, new Version("1.2.1").compareTo(new Version("1.2.a")));
	}

	public void testCompareToMixedNumberVsNonNumberLess() {
		assertEquals(-1, new Version("1.2.a").compareTo(new Version("1.2.1")));
	}

	public void testWeightSimple() {
		assertEquals(1.234567, new Version("1.2.3.4.5.6.7").weight());
	}

	public void testWeightWithCaracters() {
		assertEquals(1.234065, new Version("1.2.3.4.A").weight());
		assertEquals(1.234122, new Version("1.2.3.4.z").weight());
		assertEquals(1.077767, new Version("a.a.a.a.a").weight());
		assertEquals(1.077777, new Version("a.a.a.b.a").weight());
		assertEquals(1.077778, new Version("a.a.a.b.b").weight());
		assertEquals(2.00979899, new Version("2.0.abc").weight());
		assertEquals(2.00989797, new Version("2.0.baa").weight());
	}

	public void testGetNearestVersion() {
		assertEquals(
				"1.6.0_15",
				new Version("1.6.0_17").getNearest(
						new Version[] { new Version("1.6.0"), new Version("1.6.0_20"), new Version("1.6.0_15"),
								new Version("1.6.0_21"), new Version("1.1") }).toString());
		assertEquals(
				"1.6.0",
				new Version("1.6.0_17").getNearest(
						new Version[] { new Version("1.5.9"), new Version("1.6.0"), new Version("1.6.1"),
								new Version("1.7.0"), new Version("1.8") }).toString());
		assertEquals(
				"1.6.0_17",
				new Version("1.6.0_17").getNearest(
						new Version[] { new Version("1.5.9"), new Version("1.6.0_18"), new Version("1.6.0_17"),
								new Version("1.7.0_16"), new Version("1.8") }).toString());
	}
}