@Test
public void testSearch01() throws Exception {

  File f =
      new File(project.getProjectRootPath(), "./src/main/java/meghanada/analyze/ClassScope.java")
          .getCanonicalFile();
  assertTrue(f.exists());
  TypeInfoSearcher searcher = getSearcher();
  Optional<TypeInfo> result = TypeInfoSearcher.search(f, 20, 10, "");
  TypeInfo typeInfo = result.get();
  assertEquals(6, typeInfo.getHierarchy().size());
}