Make RefactoringStatus a collection of generated RefactoringProblems.

pkg/analysis_server/test/services/refactoring/abstract_refactoring.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.services.refactoring;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol2.dart';
 import 'package:analysis_server/src/services/correction/change.dart';
@@ skipping 43 matching lines @@
       return refactoring.checkFinalConditions().then((status) {
         assertRefactoringStatusOK(status);
       });
     });
   }
 
   /**
    * Asserts that [status] has expected severity and message.
    */
   void assertRefactoringStatus(RefactoringStatus status,
-      RefactoringStatusSeverity expectedSeverity, {String expectedMessage,
+      RefactoringProblemSeverity expectedSeverity, {String expectedMessage,
       SourceRange expectedContextRange, String expectedContextSearch}) {
-    expect(status.severity, expectedSeverity, reason: status.message);
-    if (expectedSeverity != RefactoringStatusSeverity.OK) {
-      RefactoringStatusEntry entry = status.entryWithHighestSeverity;
-      expect(entry.severity, expectedSeverity);
+    expect(status.severity, expectedSeverity, reason: status.toString());
+    if (expectedSeverity != null) {
+      RefactoringProblem problem = status.problem;
+      expect(problem.severity, expectedSeverity);
       if (expectedMessage != null) {
-        expect(entry.message, expectedMessage);
+        expect(problem.message, expectedMessage);
       }
       if (expectedContextRange != null) {
-        expect(entry.context.range, expectedContextRange);
+        expect(problem.location.offset, expectedContextRange.offset);
+        expect(problem.location.length, expectedContextRange.length);
       }
       if (expectedContextSearch != null) {
-        SourceRange contextRange = entry.context.range;
         int expectedOffset = findOffset(expectedContextSearch);
         int expectedLength = findIdentifierLength(expectedContextSearch);
-        expect(contextRange.offset, expectedOffset);
-        expect(contextRange.length, expectedLength);
+        expect(problem.location.offset, expectedOffset);
+        expect(problem.location.length, expectedLength);
       }
     }
   }
 
   /**
    * Asserts that [refactoring] status is OK.
    */
   void assertRefactoringStatusOK(RefactoringStatus status) {
-    assertRefactoringStatus(status, RefactoringStatusSeverity.OK);
+    assertRefactoringStatus(status, null);
   }
 
   /**
    * Asserts that [refactoringChange] contains a [FileEdit] for [testFile], and
    * it results the [expectedCode].
    */
   void assertTestChangeResult(String expectedCode) {
     // prepare FileEdit
     SourceFileEdit fileEdit = refactoringChange.getFileEdit(testFile);
     expect(fileEdit, isNotNull);
@@ skipping 12 matching lines @@
     CompilationUnit unit = resolveLibraryUnit(source);
     index.indexUnit(context, unit);
   }
 
   void setUp() {
     super.setUp();
     index = createLocalMemoryIndex();
     searchEngine = new SearchEngineImpl(index);
   }
 }