add suggestions for variable declaration assignment RHS

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/protocol.dart' as protocol show Element,
     ElementKind;
@@ skipping 91 matching lines @@
     CompletionSuggestion cs =
         assertSuggest(CompletionSuggestionKind.CLASS, name, relevance);
     protocol.Element element = cs.element;
     expect(element, isNotNull);
     expect(element.kind, equals(protocol.ElementKind.CLASS));
     expect(element.name, equals(name));
     expect(element.returnType, isNull);
     return cs;
   }
 
-  CompletionSuggestion assertSuggestConstructor(String name,
-      [CompletionRelevance relevance = CompletionRelevance.DEFAULT]) {
-    CompletionSuggestion cs =
-        assertSuggest(CompletionSuggestionKind.CONSTRUCTOR, name, relevance);
-    protocol.Element element = cs.element;
-    expect(element, isNotNull);
-    expect(element.kind, equals(protocol.ElementKind.CONSTRUCTOR));
-    expect(element.name, equals(name));
-    expect(element.returnType, isNull);
-    return cs;
-  }
-
   CompletionSuggestion assertSuggestFunction(String name, String returnType,
       bool isDeprecated, [CompletionRelevance relevance =
       CompletionRelevance.DEFAULT]) {
     CompletionSuggestion cs = assertSuggest(
         CompletionSuggestionKind.FUNCTION,
         name,
         relevance,
         isDeprecated);
     expect(cs.returnType, equals(returnType));
     protocol.Element element = cs.element;
@@ skipping 69 matching lines @@
     protocol.Element element = cs.element;
     expect(element, isNotNull);
     expect(element.kind, equals(protocol.ElementKind.METHOD));
     expect(element.name, equals(name));
     expect(
         element.returnType,
         equals(returnType != null ? returnType : 'dynamic'));
     return cs;
   }
 
+  CompletionSuggestion assertSuggestNamedConstructor(String name,
+      String returnType, [CompletionRelevance relevance =
+      CompletionRelevance.DEFAULT]) {
+    if (computer is InvocationComputer) {
+      CompletionSuggestion cs =
+          assertSuggest(CompletionSuggestionKind.CONSTRUCTOR, name, relevance);
+      protocol.Element element = cs.element;
+      expect(element, isNotNull);
+      expect(element.kind, equals(protocol.ElementKind.CONSTRUCTOR));
+      expect(element.name, equals(name));
+      expect(element.returnType, equals(returnType));
+      return cs;
+    } else {
+      return null;
+    }
+  }
+
   CompletionSuggestion assertSuggestParameter(String name, String returnType,
       [CompletionRelevance relevance = CompletionRelevance.DEFAULT]) {
     CompletionSuggestion cs =
         assertSuggest(CompletionSuggestionKind.PARAMETER, name, relevance);
     expect(cs.returnType, equals(returnType));
     protocol.Element element = cs.element;
     expect(element, isNotNull);
     expect(element.kind, equals(protocol.ElementKind.PARAMETER));
     expect(element.name, equals(name));
     expect(
@@ skipping 277 matching lines @@
     return computeFull(true).then((_) {
       assertNotSuggested('b');
       assertNotSuggested('_c');
       assertSuggestLocalVariable('a', 'A');
       assertSuggestLocalClass('A');
       assertSuggestLocalClass('X');
       assertSuggestImportedClass('Object');
     });
   }
 
+  test_ConstructorName_importedClass() {
+    // SimpleIdentifier  PrefixedIdentifier  TypeName  ConstructorName
+    // InstanceCreationExpression
+    addSource('/testB.dart', '''
+      lib B;
+      int T1;
+      F1() { }
+      class X {X.c(); X._d(); z() {}}''');
+    addTestSource('''
+      import "/testB.dart";
+      var m;
+      main() {new X.^}''');
+    computeFast();
+    return computeFull(true).then((_) {
+      assertSuggestNamedConstructor('c', 'X');
+      assertNotSuggested('F1');
+      assertNotSuggested('T1');
+      assertNotSuggested('_d');
+      assertNotSuggested('z');
+      assertNotSuggested('m');
+    });
+  }
+
+  test_ConstructorName_localClass() {
+    // SimpleIdentifier  PrefixedIdentifier  TypeName  ConstructorName
+    // InstanceCreationExpression
+    addTestSource('''
+      int T1;
+      F1() { }
+      class X {X.c(); X._d(); z() {}}
+      main() {new X.^}''');
+    computeFast();
+    return computeFull(true).then((_) {
+      assertSuggestNamedConstructor('c', 'X');
+      assertSuggestNamedConstructor('_d', 'X');
+      assertNotSuggested('F1');
+      assertNotSuggested('T1');
+      assertNotSuggested('z');
+      assertNotSuggested('m');
+    });
+  }
+
+  test_InstanceCreationExpression_imported() {
+    // SimpleIdentifier  TypeName  ConstructorName  InstanceCreationExpression
+    addSource('/testA.dart', '''
+      int T1;
+      F1() { }
+      class A {int x;}''');
+    addTestSource('''
+      import "/testA.dart";
+      int T2;
+      F2() { }
+      class B {int x;}
+      class C {foo(){var f; {var x;} new ^}}''');
+    computeFast();
+    return computeFull(true).then((_) {
+      assertSuggestImportedClass('Object');
+      assertSuggestImportedClass('A');
+      assertSuggestLocalClass('B');
+      assertSuggestLocalClass('C');
+      assertNotSuggested('f');
+      assertNotSuggested('x');
+      assertNotSuggested('foo');
+      assertNotSuggested('F1');
+      assertNotSuggested('F2');
+      assertNotSuggested('T1');
+      assertNotSuggested('T2');
+    });
+  }
+
   test_IsExpression_type() {
     // SimpleIdentifier  TypeName  IsExpression  IfStatement
     addSource('/testB.dart', '''
       lib B;
       foo() { }
       class X {X.c(); X._d(); z() {}}''');
     addTestSource('''
       import "/testB.dart";
       class Y {Y.c(); Y._d(); z() {}}
       main() {var x; if (x is ^) { }}''');
     computeFast();
     return computeFull(true).then((_) {
       assertSuggestImportedClass('X');
       assertSuggestLocalClass('Y');
       assertNotSuggested('x');
       assertNotSuggested('main');
       assertNotSuggested('foo');
     });
   }
+
+  test_VariableDeclaration_name() {
+    // SimpleIdentifier  VariableDeclaration  VariableDeclarationList
+    // VariableDeclarationStatement  Block
+    addSource('/testB.dart', '''
+      lib B;
+      foo() { }
+      class _B { }
+      class X {X.c(); X._d(); z() {}}''');
+    addTestSource('''
+      import "/testB.dart";
+      class Y {Y.c(); Y._d(); z() {}}
+      main() {var ^}''');
+    computeFast();
+    return computeFull(true).then((_) {
+      assertNoSuggestions();
+    });
+  }
+
+  test_VariableDeclarationStatement_RHS() {
+    // SimpleIdentifier  VariableDeclaration  VariableDeclarationList
+    // VariableDeclarationStatement
+    addSource('/testB.dart', '''
+      lib B;
+      foo() { }
+      class _B { }
+      class X {X.c(); X._d(); z() {}}''');
+    addTestSource('''
+      import "/testB.dart";
+      class Y {Y.c(); Y._d(); z() {}}
+      class C {bar(){var f; {var x;} var e = ^}}''');
+    computeFast();
+    return computeFull(true).then((_) {
+      assertSuggestImportedClass('X');
+      assertNotSuggested('_B');
+      assertSuggestLocalClass('Y');
+      assertSuggestLocalClass('C');
+      assertSuggestLocalVariable('f', null);
+      assertNotSuggested('x');
+      assertNotSuggested('e');
+    });
+  }
+
+  test_VariableDeclarationStatement_RHS_missing_semicolon() {
+    // VariableDeclaration  VariableDeclarationList
+    // VariableDeclarationStatement
+    addSource('/testB.dart', '''
+      lib B;
+      foo() { }
+      class _B { }
+      class X {X.c(); X._d(); z() {}}''');
+    addTestSource('''
+      import "/testB.dart";
+      class Y {Y.c(); Y._d(); z() {}}
+      class C {bar(){var f; {var x;} var e = ^ var g}}''');
+    computeFast();
+    return computeFull(true).then((_) {
+      assertSuggestImportedClass('X');
+      assertNotSuggested('_B');
+      assertSuggestLocalClass('Y');
+      assertSuggestLocalClass('C');
+      assertSuggestLocalVariable('f', null);
+      assertNotSuggested('x');
+      assertNotSuggested('e');
+    });
+  }
 }