checker/tests/nullness/AnnotatedJdkEqualsTest.java

// @skip-test

// Test case for issue 286: https://github.com/typetools/checker-framework/issues/286

import java.net.URL;

public class AnnotatedJdkEqualsTest {
  void foo(URL u) {
    // As of this writing, the annotated JDK does not contain a URL.java file
    // for the java.net.URL class.
    // Nonetheless, the following code should type-check.
    // This could be handled via inheritance of annotations from superclasses either during JDK
    // creation or during type-checking.  It would be impractical to manually annotate every method
    // in the entire JDK:  it would be too labor-intensive and there would be certain to be some
    // oversights.
    u.equals(null);
  }
}