checker/tests/nullness/flow/Issue3267.java

// Test case for issue #3267:
// https://github.com/typetools/checker-framework/issues/3267

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

public class Issue3267 {
  void m1(@Nullable Object obj) {
    if (true) {
      // :: error: (dereference.of.nullable)
      obj.toString();
    }
  }

  void m2(@Nullable Object obj) {
    if (obj != null) {}
    if (true) {
      // :: error: (dereference.of.nullable)
      obj.toString();
    }
  }

  void m3(@Nullable Object obj) {
    if (obj != null) {
    } else {
    }
    if (true) {
      // :: error: (dereference.of.nullable)
      obj.toString();
    }
  }

  void m4(@Nullable Object obj) {
    boolean bool = obj != null;
    if (true) {
      // :: error: (dereference.of.nullable)
      obj.toString();
    }
  }
}