checker/tests/nullness/Issue273.java

// Test case for issue #273:
// https://github.com/typetools/checker-framework/issues/273

import java.util.HashMap;
import java.util.Map;
import org.checkerframework.checker.nullness.qual.*;

public class Issue273 {
  public static void main(String... p) {
    Map<String, Integer> m0 = new HashMap<>();
    Map<String, Integer> m1 = new HashMap<>();
    @SuppressWarnings("assignment")
    @KeyFor("m0") String k = "key";
    m0.put(k, 1);

    // :: error: (argument)
    getMap2(m0, m1, k).toString();
  }

  public static @NonNull Integer getMap2(
      Map<String, Integer> m1, // m1,m0 flipped
      Map<String, Integer> m0,
      @KeyFor("#2") String k) {
    return m0.get(k);
  }
}