NumberTest.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 NumberTest {

    Prolog engine;

    @Before
    public void setUp() {
        engine = new Prolog();
    }
    
    @Test public void test0() throws PrologException {
        SolveInfo solution = engine.solve("number(3).");
        assertTrue(solution.isSuccess());
    }

    @Test public void test1() throws PrologException {
        SolveInfo solution = engine.solve("number(3.3).");
        assertTrue(solution.isSuccess());
    }

    @Test public void test2() throws PrologException {
        SolveInfo solution = engine.solve("number(-3).");
        assertTrue(solution.isSuccess());
    }

    @Test public void test3() throws PrologException {
        SolveInfo solution = engine.solve("number(a).");
        assertFalse(solution.isSuccess());
    }

    @Test public void test4() throws PrologException {
        SolveInfo solution = engine.solve("number(X).");
        assertFalse(solution.isSuccess());
    }

}