better completions in switch statements

pkg/analysis_server/test/services/completion/completion_test_util.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.completion.util;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/protocol.dart' as protocol
@@ skipping 3968 matching lines @@
       expect(request.replacementOffset, completionOffset);
       expect(request.replacementLength, 0);
       assertSuggestInvocationGetter('isEven', 'bool');
       assertNotSuggested('A');
       assertNotSuggested('a');
       assertNotSuggested('Object');
       assertNotSuggested('==');
     });
   }
 
+  test_SwitchStatement_c() {
+    // SwitchStatement  Block  BlockFunctionBody  MethodDeclaration
+    addTestSource('class A {String g(int x) {switch(x) {c^}}}');
+    computeFast();
+    return computeFull((bool result) {
+      assertNoSuggestions();
+    });
+  }
+
+  test_SwitchStatement_case() {
+    // SwitchStatement  Block  BlockFunctionBody  MethodDeclaration
+    addTestSource('class A {String g(int x) {switch(x) {case 0: ^}}}');
+    computeFast();
+    return computeFull((bool result) {
+      assertSuggestLocalClass('A');
+      assertSuggestLocalMethod('g', 'A', 'String');
+      assertSuggestImportedClass('String');
+    });
+  }
+
+  test_SwitchStatement_empty() {
+    // SwitchStatement  Block  BlockFunctionBody  MethodDeclaration
+    addTestSource('class A {String g(int x) {switch(x) {^}}}');
+    computeFast();
+    return computeFull((bool result) {
+      assertNoSuggestions();
+    });
+  }
+
   test_ThisExpression_block() {
     // MethodInvocation  ExpressionStatement  Block
     addTestSource('''
       main() { }
       class I {X get f => new A();get _g => new A();}
       class A implements I {
         A() {}
         A.z() {}
         var b; X _c;
         X get d => new A();get _e => new A();
@@ skipping 366 matching lines @@
       assertNotSuggested('bar2');
       assertNotSuggested('_B');
       assertSuggestLocalClass('Y');
       assertSuggestLocalClass('C');
       assertSuggestLocalVariable('f', null);
       assertNotSuggested('x');
       assertNotSuggested('e');
     });
   }
 }