checker/tests/nullness/generics/Issue134.java

// Test case for Issue 134:
// https://github.com/typetools/checker-framework/issues/134

import org.checkerframework.checker.nullness.qual.Nullable;

class Wrap<T> {
  class Inner {
    T of(T in) {
      return in;
    }
  }

  Inner get() {
    return new Inner();
  }
}

class Bug {
  void bar(Wrap<Integer> w, Integer f) {
    w.get().of(f).toString();
  }

  void baz(Wrap<@Nullable Integer> w, Integer f) {
    // :: error: (dereference.of.nullable)
    w.get().of(f).toString();
  }
}