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package foo;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import static foo.Version.compare;

import org.junit.Before;
import org.junit.Test;

/**
 * @author yclian
 * @since 20120507
 * @version 20120507
 */
public class VersionTest {

    @Before
    public void setUp() {}

    @Test
    public void testCompare() {
        assertEquals(-1, compare("1.0.1").with("1.0.2"));
        assertEquals(1, compare("1.0.2.1").with("1.0.2"));
        assertTrue(compare("1.0.2").eq("1.0.2"));
    }

    @Test
    public void testApproximation() {
        assertTrue(compare("1.0.2").agt("1.0")); // ~> 1.0 => >= 1.0 && < 2.0
        assertFalse(compare("2.0").agt("1.0"));
        assertTrue(compare("1.9").agt("1.0")); // ~> 1.0 => >= 1.0 && < 2.0
        assertFalse(compare("0.9").agt("1.0"));
        assertTrue(compare("1.0.2").agt("1.0.2")); // ~> 1.0.2 => >= 1.0.2 && < 1.1
        assertFalse(compare("1.2").agt("1.0.2"));
    }
}