UnknownDeclarationTest.java

package spoon.reflect.declaration;

import org.junit.Test;
import spoon.Launcher;
import spoon.reflect.reference.CtExecutableReference;
import spoon.reflect.visitor.CtScanner;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;

/**
 * @author Marcel Steinbeck
 */
public class UnknownDeclarationTest {

    private static class ExecutableReferenceVisitor extends CtScanner {

        int referenceCounter = 0;

        @Override
        public <T> void visitCtExecutableReference(final CtExecutableReference<T> reference) {
            final CtExecutable executable = reference.getDeclaration();
            assertNull(executable);
            referenceCounter++;
        }
    }

    @Test
    public void testUnknownCalls() {
        final Launcher runLaunch = new Launcher();
        runLaunch.getEnvironment().setNoClasspath(true);
        runLaunch.addInputResource("./src/test/resources/noclasspath/UnknownCalls.java");
        runLaunch.buildModel();

        final CtPackage rootPackage = runLaunch.getFactory().Package().getRootPackage();
        final ExecutableReferenceVisitor visitor = new ExecutableReferenceVisitor();
        visitor.scan(rootPackage);
        // super constructor to Object +
        // UnknownClass constructor +
        // UnknownClass method
        assertEquals(3, visitor.referenceCounter);
    }
}