Minimal Example of #572

Issue572.java

... imports ...

public class Issue572 {

    @Test(expectedExceptions = SpoonClassNotFoundException.class)
    public void GivenSubclassWithParentNotInClasspath_WhenSuperclass_ThenException() throws URISyntaxException {
        final URL url = Issue572.class.getClassLoader().getResource("issue572");
        assert url != null;

        SpoonAPI launcher = new Launcher();
        launcher.getEnvironment().setNoClasspath(true);
        launcher.addInputResource(Paths.get(url.toURI()).toString());
        launcher.buildModel();
        TypeFactory factory = launcher.getFactory().Type();

        final CtType<?> subclass = factory.get("issue572.Subclass");                // returns Subclass
        final CtTypeReference<?> superclass = subclass.getSuperclass();             // returns Superclass as TypeReference
        final CtTypeReference<?> superSuperclass = superclass.getSuperclass();      // throws SpoonClassNotFoundException
    }
}

Subclass.java

package issue572;

import other.pack.NoClasspathSuperclass;

class Subclass extends NoClasspathSuperclass{}