PreCondNoStateTests.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 PreCondNoStateTests extends AnnotationTestsBase
{
	@BeforeClass
	public static void init() throws AnalysisException
	{
		AnnotationTestsBase.init("PreCondNoState.vdmsl");
	}

	@Test
	public void testPreCondOfFuncIsPure()
	{
		assertFuncIsPureOnly("pre_f");
	}

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

		Assert.assertEquals("Got unexpected requires annotation for function 'f'", "//@ requires pre_f(a,b);", getAnnotation(func, 0));
	}

	@Test
	public void testPreCondOfOpIsPure()
	{
		assertFuncIsPureOnly("pre_op");
	}

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

		// Note here that no state is expected to be passed
		// to the pre condition (the module has no state)
		Assert.assertEquals("Got unexpected requires annotation for operation 'op'", "//@ requires pre_op(a);", getAnnotation(op, 0));
	}
}