@Test
public void test3() throws SymbolFormatException, GdlFormatException {
Substitution s = null;
Gdl a, b;
a = GdlFactory.create("(role ?p)");
b = GdlFactory.create("(role white)");
s = Unification.unify((GdlSentence) a, (GdlSentence) b);
assertEquals("test", s.toString(), "{?p=white}");
}
@Test
public void test2() throws SymbolFormatException, GdlFormatException {
Substitution s = null;
Gdl a, b;
a = GdlFactory.create("(fact ?x)");
b = GdlFactory.create("(fact ?y)");
s = Unification.unify((GdlSentence) a, (GdlSentence) b);
assertEquals("test", s.toString(), "{?x=?y}");
}
@Test
public void test4() throws SymbolFormatException, GdlFormatException {
Substitution s = null;
Gdl a, b;
a = GdlFactory.create("(f1 ?x 3 ?y)");
b = GdlFactory.create("(f1 (f2 ?y (f3 ?z (f4 (f5 ?y 42) 1 ?z) 7)) ?z a)");
s = Unification.unify((GdlSentence) a, (GdlSentence) b);
assertEquals(
"test", s.toString(), "{?z=3, ?y=a, ?x=( f2 a ( f3 3 ( f4 ( f5 a 42 ) 1 3 ) 7 ) )}");
}