completions in map literals

pkg/analysis_server/test/services/completion/completion_target_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.services.completion.target;
 
 import 'package:analysis_server/src/services/completion/completion_target.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:unittest/unittest.dart';
@@ skipping 21 matching lines @@
     content = content.substring(0, completionOffset) +
         content.substring(completionOffset + 1);
     testSource = addSource('/test.dart', content);
     CompilationUnit unit = context.parseCompilationUnit(testSource);
     target = new CompletionTarget.forOffset(unit, completionOffset);
   }
 
   void assertTarget(entityText, nodeText,
       {int argIndex: null, bool isFunctionalArgument: false}) {
     void assertCommon() {
-      expect(target.entity.toString(), entityText);
-      expect(target.containingNode.toString(), nodeText);
-      expect(target.argIndex, argIndex);
+      expect(target.entity.toString(), entityText, reason: 'entity');
+      expect(target.containingNode.toString(), nodeText,
+          reason: 'containingNode');
+      expect(target.argIndex, argIndex, reason: 'argIndex');
     }
     // Assert with parsed unit
     assertCommon();
     CompilationUnit unit =
         context.resolveCompilationUnit2(testSource, testSource);
     target = new CompletionTarget.forOffset(unit, completionOffset);
     // Assert more with resolved unit
     assertCommon();
     expect(target.isFunctionalArgument(), isFunctionalArgument);
   }
 
   test_ArgumentList_InstanceCreationExpression() {
     // ArgumentList  InstanceCreationExpression  Block
     addTestSource('main() {new Foo(^)}');
     assertTarget(')', '()', argIndex: 0);
   }
 
   test_ArgumentList_InstanceCreationExpression_functionArg2() {
     // ArgumentList  InstanceCreationExpression  Block
     addTestSource('main() {new B(^)} class B{B(f()){}}');
     assertTarget(')', '()', argIndex: 0, isFunctionalArgument: true);
   }
 
-  test_TypeArgumentList() {
-    // SimpleIdentifier  BinaryExpression  ExpressionStatement
-    addTestSource('main() { C<^> c; }');
-    assertTarget('', 'C < ');
-  }
-
-  test_TypeArgumentList2() {
-    // TypeName  TypeArgumentList  TypeName
-    addTestSource('main() { C<C^> c; }');
-    assertTarget('C', '<C>');
-  }
-
   test_ArgumentList_MethodInvocation() {
     // ArgumentList  MethodInvocation  Block
     addTestSource('main() {foo(^)}');
     assertTarget(')', '()', argIndex: 0);
   }
 
   test_ArgumentList_MethodInvocation2() {
     // ArgumentList  MethodInvocation  Block
     addTestSource('main() {foo(^n)}');
     assertTarget('n', '(n)', argIndex: 0);
@@ skipping 215 matching lines @@
     addTestSource('class C {foo(){var f; {var x;} new^ }}');
     assertTarget('new ();', '{var f; {var x;} new ();}');
   }
 
   test_InstanceCreationExpression_keyword2() {
     // InstanceCreationExpression  ExpressionStatement  Block
     addTestSource('class C {foo(){var f; {var x;} new^ C();}}');
     assertTarget('new C();', '{var f; {var x;} new C();}');
   }
 
+  test_MapLiteralEntry() {
+    // MapLiteralEntry  MapLiteral  VariableDeclaration
+    addTestSource('foo = {^');
+    assertTarget(' : ', '{ : }');
+  }
+
+  test_MapLiteralEntry1() {
+    // MapLiteralEntry  MapLiteral  VariableDeclaration
+    addTestSource('foo = {T^');
+    assertTarget('T : ', '{T : }');
+  }
+
+  test_MapLiteralEntry2() {
+    // SimpleIdentifier  MapLiteralEntry  MapLiteral  VariableDeclaration
+    addTestSource('foo = {7:T^};');
+    assertTarget('T', '7 : T');
+  }
+
   test_MethodDeclaration_inLineComment() {
     // Comment  ClassDeclaration  CompilationUnit
     addTestSource('''
       class C2 {
         // normal comment ^
         zoo(z) { } String name; }''');
     assertTarget('// normal comment ', 'class C2 {zoo(z) {} String name;}');
   }
 
   test_MethodDeclaration_inLineComment2() {
@@ skipping 135 matching lines @@
     addTestSource('class C2 {/** */ ^ zoo(z) { } String name; }');
     assertTarget('zoo', 'zoo(z) {}');
   }
 
   test_MethodDeclaration_returnType_afterStarDocComment2() {
     // MethodDeclaration  ClassDeclaration  CompilationUnit
     addTestSource('class C2 {/** */^ zoo(z) { } String name; }');
     assertTarget('zoo', 'zoo(z) {}');
   }
 
+  test_TypeArgumentList() {
+    // SimpleIdentifier  BinaryExpression  ExpressionStatement
+    addTestSource('main() { C<^> c; }');
+    assertTarget('', 'C < ');
+  }
+
+  test_TypeArgumentList2() {
+    // TypeName  TypeArgumentList  TypeName
+    addTestSource('main() { C<C^> c; }');
+    assertTarget('C', '<C>');
+  }
+
   test_VariableDeclaration_lhs_identifier_after() {
     // VariableDeclaration  VariableDeclarationList
     addTestSource('main() {int b^ = 1;}');
     assertTarget('b = 1', 'int b = 1');
   }
 
   test_VariableDeclaration_lhs_identifier_before() {
     // VariableDeclaration  VariableDeclarationList
     addTestSource('main() {int ^b = 1;}');
     assertTarget('b = 1', 'int b = 1');
   }
 }