PostCondNoStateTests.java

package org.overture.vdm2jml.tests;

import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.overture.ast.analysis.AnalysisException;
import org.overture.codegen.ir.declarations.AMethodDeclIR;

public class PostCondNoStateTests extends AnnotationTestsBase
{
	@BeforeClass
	public static void init() throws AnalysisException
	{
		AnnotationTestsBase.init("PostCondNoState.vdmsl");
	}

	@Test
	public void testPostCondOfFuncIsPure()
	{
		assertFuncIsPureOnly("post_f");
	}

	@Test
	public void testFuncEnsuresAnnotation()
	{
		AMethodDeclIR func = getMethod(genModule.getMethods(), "f");

		Assert.assertEquals("Got unexpected ensures annotation for function 'f'", "//@ ensures post_f(a,b,\\result);", getAnnotation(func, 0));
	}

	@Test
	public void testPostCondOfOpNoResIsPure()
	{
		assertFuncIsPureOnly("post_opNoRes");
	}

	@Test
	public void testOpNoResRequiresAnnotation()
	{
		AMethodDeclIR opNoRes = getMethod(genModule.getMethods(), "opNoRes");

		Assert.assertEquals("Got unexpected ensures annotation for operation 'opNoRes'", "//@ ensures post_opNoRes();", getAnnotation(opNoRes, 0));
	}

	// We'll not test that the post condition of 'opRes' is pure

	@Test
	public void testOpResRequresAnnotation()
	{
		AMethodDeclIR opRes = getMethod(genModule.getMethods(), "opRes");

		Assert.assertEquals("Got unexpected ensures annotation for operation 'opRes'", "//@ ensures post_opRes(a,\\result);", getAnnotation(opRes, 0));
	}
}