Add hierarchy utils and use them in search.

pkg/analysis_server/test/search/element_references_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.search.element_references;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/computer/element.dart';
 import 'package:analysis_server/src/constants.dart';
@@ skipping 37 matching lines @@
       length = findIdentifierLength(search);
     }
     findResult(kind, testFile, offset, length, false);
   }
 
   @override
   Index createIndex() {
     return createLocalMemoryIndex();
   }
 
-  fail_test_hierarchyMembers_field_explicit() {
-    // TODO(scheglov) implement
-    addTestFile('''
-class A {
-  int fff; // in A
-}
-class B extends A {
-  int fff; // in B
-}
-class C extends B {
-  int fff; // in C
-}
-main(A a, B b, C c) {
-  a.fff = 10;
-  b.fff = 20;
-  c.fff = 30;
-}
-''');
-    return findElementReferences('fff; // in B', false).then((_) {
-      assertHasResult(SearchResultKind.DECLARATION, 'fff; // in A');
-      assertHasResult(SearchResultKind.DECLARATION, 'fff; // in B');
-      assertHasResult(SearchResultKind.DECLARATION, 'fff; // in C');
-      assertHasResult(SearchResultKind.WRITE, 'fff = 10;');
-      assertHasResult(SearchResultKind.WRITE, 'fff = 20;');
-      assertHasResult(SearchResultKind.WRITE, 'fff = 30;');
-    });
-  }
-
-  fail_test_hierarchyMembers_method() {
-    // TODO(scheglov) implement
-    addTestFile('''
-class A {
-  mmm() {} // in A
-}
-class B extends A {
-  mmm() {} // in B
-}
-class C extends B {
-  mmm() {} // in C
-}
-main(A a, B b, C c) {
-  a.mmm(10);
-  b.mmm(20);
-  c.mmm(30);
-}
-''');
-    return findElementReferences('mmm() {} // in B', false).then((_) {
-      assertHasResult(SearchResultKind.INVOCATION, 'mmm(10)');
-      assertHasResult(SearchResultKind.INVOCATION, 'mmm(20)');
-      assertHasResult(SearchResultKind.INVOCATION, 'mmm(30)');
-    });
-  }
-
   Future findElementReferences(String search, bool includePotential) {
     int offset = findOffset(search);
     return waitForTasksFinished().then((_) {
       Request request = new Request('0', SEARCH_FIND_ELEMENT_REFERENCES);
       request.setParameter(FILE, testFile);
       request.setParameter(OFFSET, offset);
       request.setParameter(INCLUDE_POTENTIAL, includePotential);
       Response response = handleSuccessfulRequest(request);
       searchId = response.getResult(ID);
       results.clear();
@@ skipping 176 matching lines @@
   print(fff);
 }
 ''');
     return findElementReferences('fff(p) {}', false).then((_) {
       expect(results, hasLength(2));
       assertHasResult(SearchResultKind.INVOCATION, 'fff(1)');
       assertHasResult(SearchResultKind.REFERENCE, 'fff);');
     });
   }
 
+  test_hierarchy_field_explicit() {
+    addTestFile('''
+class A {
+  int fff; // in A
+}
+class B extends A {
+  int fff; // in B
+}
+class C extends B {
+  int fff; // in C
+}
+main(A a, B b, C c) {
+  a.fff = 10;
+  b.fff = 20;
+  c.fff = 30;
+}
+''');
+    return findElementReferences('fff; // in B', false).then((_) {
+      assertHasResult(SearchResultKind.DECLARATION, 'fff; // in A');
+      assertHasResult(SearchResultKind.DECLARATION, 'fff; // in B');
+      assertHasResult(SearchResultKind.DECLARATION, 'fff; // in C');
+      assertHasResult(SearchResultKind.WRITE, 'fff = 10;');
+      assertHasResult(SearchResultKind.WRITE, 'fff = 20;');
+      assertHasResult(SearchResultKind.WRITE, 'fff = 30;');
+    });
+  }
+
+  test_hierarchy_method() {
+    addTestFile('''
+class A {
+  mmm() {} // in A
+}
+class B extends A {
+  mmm() {} // in B
+}
+class C extends B {
+  mmm() {} // in C
+}
+main(A a, B b, C c) {
+  a.mmm(10);
+  b.mmm(20);
+  c.mmm(30);
+}
+''');
+    return findElementReferences('mmm() {} // in B', false).then((_) {
+      assertHasResult(SearchResultKind.INVOCATION, 'mmm(10)');
+      assertHasResult(SearchResultKind.INVOCATION, 'mmm(20)');
+      assertHasResult(SearchResultKind.INVOCATION, 'mmm(30)');
+    });
+  }
+
   test_localVariable() {
     addTestFile('''
 main() {
   var vvv = 1;
   print(vvv);
   vvv += 3;
   vvv = 2;
   vvv();
 }
 ''');
@@ skipping 326 matching lines @@
     });
   }
 
   Future _waitForSearchResults() {
     if (searchDone) {
       return new Future.value();
     }
     return new Future.delayed(Duration.ZERO, _waitForSearchResults);
   }
 }