More tests for 'Organize Directives'.

pkg/analysis_server/test/services/correction/organize_directives_test.dart

Index: pkg/analysis_server/test/services/correction/organize_directives_test.dart
diff --git a/pkg/analysis_server/test/services/correction/organize_directives_test.dart b/pkg/analysis_server/test/services/correction/organize_directives_test.dart
index 6c817b588bd05377cbb9023d4828de882a2ec660..833cc493408e84b7ec8e94e0ce26b097628fd1a9 100644
--- a/pkg/analysis_server/test/services/correction/organize_directives_test.dart
+++ b/pkg/analysis_server/test/services/correction/organize_directives_test.dart
@@ -22,6 +22,29 @@ main() {
 class OrganizeDirectivesTest extends AbstractSingleUnitTest {
   List<AnalysisError> testErrors;
 
+  void test_keep_duplicateImports_withDifferentPrefix() {
+    _computeUnitAndErrors(r'''
+import 'dart:async' as async1;
+import 'dart:async' as async2;
+
+main() {
+  async1.Future f;
+  async2.Stream s;
+}''');
+    // validate change
+    _assertOrganize(
+        r'''
+import 'dart:async' as async1;
+import 'dart:async' as async2;
+
+main() {
+  async1.Future f;
+  async2.Stream s;
+}''',
+        removeUnresolved: true,
+        removeUnused: true);
+  }
+
   void test_remove_duplicateImports() {
     _computeUnitAndErrors(r'''
 import 'dart:async';
@@ -42,6 +65,46 @@ main() {
         removeUnused: true);
   }
 
+  void test_remove_duplicateImports_differentText_uri() {
+    _computeUnitAndErrors(r'''
+import 'dart:async' as async;
+import "dart:async" as async;
+
+main() {
+  async.Future f;
+}''');
+    // validate change
+    _assertOrganize(
+        r'''
+import 'dart:async' as async;
+
+main() {
+  async.Future f;
+}''',
+        removeUnresolved: true,
+        removeUnused: true);
+  }
+
+  void test_remove_duplicateImports_withSamePrefix() {
+    _computeUnitAndErrors(r'''
+import 'dart:async' as async;
+import 'dart:async' as async;
+
+main() {
+  async.Future f;
+}''');
+    // validate change
+    _assertOrganize(
+        r'''
+import 'dart:async' as async;
+
+main() {
+  async.Future f;
+}''',
+        removeUnresolved: true,
+        removeUnused: true);
+  }
+
   void test_remove_unresolvedDirectives() {
     addSource('/existing_part1.dart', 'part of lib;');
     addSource('/existing_part2.dart', 'part of lib;');