VarTest.java

package alice.tuprolog;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import org.junit.Before;
import org.junit.Test;

public class VarTest {

    Prolog engine;

    @Before
    public void setUp() {
        engine = new Prolog();
    }
    
    @Test public void test0() throws PrologException {
        SolveInfo solution = engine.solve("var(foo).");
        assertFalse(solution.isSuccess());
    }

    @Test public void test1() throws PrologException {
        SolveInfo solution = engine.solve("var(Foo).");
        assertTrue(solution.isSuccess());
    }

    @Test public void test2() throws PrologException {
        SolveInfo solution = engine.solve("foo = Foo, var(Foo).");
        assertFalse(solution.isSuccess());
    }

    @Test public void test3() throws PrologException {
        SolveInfo solution = engine.solve("var(_).");
        assertTrue(solution.isSuccess());
    }

}