TestRealLiteralExpMetric.java

package org.dresdenocl.metrics.test.constraintmetric;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.util.Map;

import org.dresdenocl.metrics.OclMetrics;
import org.dresdenocl.metrics.metric.ConstraintMetric;
import org.dresdenocl.metrics.test.AbstractMetricTest;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;

import org.dresdenocl.language.ocl.resource.ocl.Ocl22Parser;
import org.dresdenocl.pivotmodel.Constraint;

/**
 * Contains test cases for {@link OclMetrics}.
 * 
 * @author Claas Wilke
 * 
 */
public class TestRealLiteralExpMetric extends AbstractMetricTest {

	@BeforeClass
	public static void setUp() throws Exception {
		AbstractMetricTest.setUp();
	}

	@AfterClass
	public static void tearDown() {
		AbstractMetricTest.tearDown();
	}

	@Test
	public void testConstraintMetric01() throws Exception {

		constraintsUnderTest = Ocl22Parser.INSTANCE.parseOclString(
				"context Type1 def: realVal = 1.7", modelUnderTest);
		Constraint constraint = constraintsUnderTest.get(0);

		ConstraintMetric metric = OclMetrics.computeMetric(constraint);

		assertNotNull(metric);
		assertEquals(constraint, metric.getReferredConstraint());
		assertEquals(1, metric.getExpressionCount());
		assertEquals(1, metric.getExpressionDepth());
		assertEquals(0, metric.getNumberOfIfExpressions());
		assertEquals(0, metric.getNumberOfLetExpressions());

		assertNull(metric.getCalledOperations());
		assertNull(metric.getCalledProperties());
		assertNull(metric.getUsedIterators());

		Map<String, Integer> usedLiterals = metric.getUsedLiterals();
		assertEquals(1, usedLiterals.size());
		assertTrue(usedLiterals.containsKey("Real"));
		assertEquals(new Integer(1), usedLiterals.get("Real"));
	}
}