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Units of Measurement (JSR 385) TCK
There is a newer version: 2.2
/*
 * Units of Measurement TCK
 * Copyright © 2005-2019, Jean-Marie Dautelle, Werner Keil, Otavio Santana.
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
 *    and the following disclaimer in the documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of JSR-385 nor the names of its contributors may be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package tech.units.tck.tests.spi;

import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertNotNull;
import static tech.units.tck.TCKRunner.SPEC_ID;
import static tech.units.tck.TCKRunner.SPEC_VERSION;

import javax.measure.Unit;
import javax.measure.format.UnitFormat;
import javax.measure.spi.ServiceProvider;
import javax.measure.spi.SystemOfUnits;

import org.jboss.test.audit.annotations.SpecAssertion;
import org.jboss.test.audit.annotations.SpecVersion;
import org.testng.annotations.Test;

/**
 * Test class for obtaining units.
 * @author Werner Keil
 * @version 1.0, August 16, 2016
 * @since 1.0
 */
@SpecVersion(spec = SPEC_ID, version = SPEC_VERSION)
public class ObtainingUnitsTest {
    private static final String SECTION1 = "5.5.1";

    // ************************ 5.5 Obtaining Unit Instances
    // ************************
    /**
     * Access a SystemOfUnits for each registered unit.
     */
    @SuppressWarnings("rawtypes")
    @Test(groups = { "spi" }, description = SECTION1
	    + " Units Obtained from Unit Systems")
    @SpecAssertion(section = SECTION1, id = "551-A1")
    public void testGetUnitsFromSystemOfUnits() {
	for (SystemOfUnits sou : ServiceProvider.current()
		.getSystemOfUnitsService().getAvailableSystemsOfUnits()) {
	    for (Unit u : sou.getUnits()) {
		assertNotNull("Section " + SECTION1 + ": A Unit is missing from " + sou.getName(), u);
	    }
	}
    }
    
    private static final String SECTION2 = "5.5.2";
    
    /**
     * Try parsing the symbol for each registered unit.
     */
    @SuppressWarnings("rawtypes")
    @Test(groups = { "spi" }, description = SECTION2
	    + " Units Obtained by Symbol Parsing")
    @SpecAssertion(section = SECTION2, id = "552-A1")
    public void testGetUnitsFromUnitString() {
	UnitFormat format = ServiceProvider.current().getUnitFormatService().getUnitFormat();
	for (SystemOfUnits sou : ServiceProvider.current()
		.getSystemOfUnitsService().getAvailableSystemsOfUnits()) {
	    for (Unit u : sou.getUnits()) {
		assertNotNull("Section " + SECTION2 + ": A Unit is missing from " + sou.getName(), u);
		if (u.getSymbol() != null) {
		    String s = u.toString();
		    Unit p = format.parse(s);
		    assertEquals("Section " + SECTION2 + ": Unit could not be parsed for '" + s + "'", u, p);
		}
	    }
	}
    }
}