Examples with Compound org.jpl7.Compound used on opensource projects

Example 11 with Compound

use of org.jpl7.Compound in project packages-jpl by SWI-Prolog.

the class TestJUnit method testBigInteger2.

public void testBigInteger2() {
    BigInteger b = new BigInteger("12345678901234567890123456789");
    // too big for a long
    Term i = new Integer(b);
    Term g = new Compound("is", new Term[] { new Variable("X"), i });
    Term x = Query.oneSolution(g).get("X");
    assertTrue("X is an org.jpl7.Integer", x.isInteger());
    assertTrue("X is a big org.jpl7.Integer", x.isBigInteger());
    assertTrue("X's value is as expected", x.bigValue().equals(b));
}

Example 12 with Compound

use of org.jpl7.Compound in project packages-jpl by SWI-Prolog.

the class TestJUnit method testWouter1.

public void testWouter1() {
    // Wouter says this fails under OS X Mavericks
    // 10.9 x86-64
    // too big for an int
    long n = 7381783232223l;
    Compound term = new Compound("is", new Term[] { new Variable("X"), new org.jpl7.Integer(n) });
    Map<String, Term>[] solutions = new Query(term).allSolutions();
    assertEquals(1, solutions.length);
    Map<String, Term> solution = solutions[0];
    assertTrue(solution.containsKey("X"));
    Object result = solution.get("X");
    assertTrue(result instanceof org.jpl7.Integer);
    assertEquals(n, ((org.jpl7.Integer) result).longValue());
}

Example 13 with Compound

use of org.jpl7.Compound in project packages-jpl by SWI-Prolog.

the class TestJUnit method testVariableBinding3.

public void testVariableBinding3() {
    Variable X = new Variable("X");
    Term lhs = new Compound("p", new Term[] { X, X });
    Term rhs = new Compound("p", new Term[] { new Atom("a"), new Atom("b") });
    Term goal = new Compound("=", new Term[] { lhs, rhs });
    assertFalse("two references to the same (named) Variable cannot unify with differing atoms", new Query(goal).hasSolution());
}

Example 14 with Compound

use of org.jpl7.Compound in project packages-jpl by SWI-Prolog.

the class TestJUnit method testArrayToList1.

public void testArrayToList1() {
    Term l2 = Util.termArrayToList(new Term[] { new Atom("a"), new Atom("b"), new Atom("c"), new Atom("d"), new Atom("e") });
    Query q9 = new Query(new Compound("append", new Term[] { new Variable("Xs"), new Variable("Ys"), l2 }));
    assertTrue("append(Xs,Ys,[a,b,c,d,e]) has 6 solutions", q9.allSolutions().length == 6);
}

Example 15 with Compound

use of org.jpl7.Compound in project packages-jpl by SWI-Prolog.

the class TestJUnit method testRef7.

public void testRef7() {
    Term badJRef = new Compound("@", new Term[] { new Atom("foobar") });
    try {
        // should throw exception
        badJRef.jrefToObject();
        // shouldn't
        fail("@(foobar) .jrefToObject() shoulda thrown JPLException");
    // get
    // to
    // here
    } catch (JPLException e) {
        // expected exception class
        if (e.getMessage().endsWith("term is not a JRef")) {
        // OK: an appropriate exception was thrown
        } else {
            fail("@(foobar) .jrefToObject() threw wrong JPLException: " + e);
        }
    } catch (Exception e) {
        fail("@(foobar) .jrefToObject() threw wrong exception class: " + e);
    }
}