source: class LinkResolverTest {
  
      public static final Point POINT_ORIGIN;
      private LinkResolver resolver;
      private Node n2;
      private Node n1;
  
      @Test
      void isHeardBy_n2Null_throwsNullPointerException() {
  
target:         assertThrows(NullPointerException.class, () -> {
              resolver.isHeardBy(n1, null);
          });
      }
  
  }