DecimalTypeTest.java

/**
 * Copyright (c) 2014-2017 by the respective copyright holders.
 * 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
 */
package org.eclipse.smarthome.core.library.types;

import static org.junit.Assert.*;

import java.text.DecimalFormatSymbols;

import org.eclipse.smarthome.core.types.UnDefType;
import org.junit.Test;

/**
 * @author Thomas.Eichstaedt-Engelen
 */
public class DecimalTypeTest {

    @Test
    public void testEquals() {
        DecimalType dt1 = new DecimalType("142.8");
        DecimalType dt2 = new DecimalType("142.8");
        DecimalType dt3 = new DecimalType("99.7");
        PercentType pt = new PercentType("99.7");

        assertEquals(true, dt1.equals(dt2));
        assertEquals(false, dt1.equals(dt3));
        assertEquals(true, dt3.equals(pt));
        assertEquals(false, dt1.equals(pt));
    }

    @Test
    public void testIntFormat() {
        DecimalType dt;

        // Basic test with an integer value.
        dt = new DecimalType("87");
        assertEquals("87", dt.format("%d"));

        // Again an integer value, but this time an "advanced" pattern.
        dt = new DecimalType("87");
        assertEquals(" 87", dt.format("%3d"));

        // Again an integer value, but this time an "advanced" pattern.
        dt = new DecimalType("87");
        assertEquals("0x57", dt.format("%#x"));

        // A float value cannot be converted into hex.
        dt = new DecimalType("87.5");
        try {
            dt.format("%x");
            fail();
        } catch (Exception e) {
            // That's what we expect.
        }

        // An integer (with different representation) with int conversion.
        dt = new DecimalType("11.0");
        assertEquals("11", dt.format("%d"));
    }

    @Test
    public void testFloatFormat() {
        DecimalType dt;

        // We know that DecimalType calls "String.format()" without a locale. So
        // we have to do the same thing here in order to get the right decimal
        // separator.
        final char sep = (new DecimalFormatSymbols().getDecimalSeparator());

        // A float value with float conversion.
        dt = new DecimalType("11.123");
        assertEquals("11" + sep + "1", dt.format("%.1f")); // "11.1"

        // An integer value with float conversion. This has to work.
        dt = new DecimalType("11");
        assertEquals("11" + sep + "0", dt.format("%.1f")); // "11.0"

        // An integer value with float conversion. This has to work.
        dt = new DecimalType("11.0");
        assertEquals("11" + sep + "0", dt.format("%.1f")); // "11.0"
    }

    @Test
    public void testConversionToOnOffType() {
        assertEquals(OnOffType.ON, new DecimalType("100.0").as(OnOffType.class));
        assertEquals(OnOffType.ON, new DecimalType("1.0").as(OnOffType.class));
        assertEquals(OnOffType.OFF, new DecimalType("0.0").as(OnOffType.class));
    }

    @Test
    public void testConversionToOpenCloseType() {
        assertEquals(OpenClosedType.OPEN, new DecimalType("1.0").as(OpenClosedType.class));
        assertEquals(OpenClosedType.CLOSED, new DecimalType("0.0").as(OpenClosedType.class));
        assertEquals(UnDefType.UNDEF, new DecimalType("0.5").as(OpenClosedType.class));
    }

    @Test
    public void testConversionToUpDownType() {
        assertEquals(UpDownType.UP, new DecimalType("0.0").as(UpDownType.class));
        assertEquals(UpDownType.DOWN, new DecimalType("1.0").as(UpDownType.class));
        assertEquals(UnDefType.UNDEF, new DecimalType("0.5").as(OpenClosedType.class));
    }

    @Test
    public void testConversionToHSBType() {
        assertEquals(new HSBType("0,0,0"), new DecimalType("0.0").as(HSBType.class));
        assertEquals(new HSBType("0,0,100"), new DecimalType("1.0").as(HSBType.class));
        assertEquals(new HSBType("0,0,50"), new DecimalType("0.5").as(HSBType.class));
    }

}