Add AST factories for formal parameters with all optional named parameters.

pkg/analyzer/test/src/dart/ast/utilities_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 analyzer.test.src.dart.ast.utilities_test;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_ast_factory.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 1954 matching lines @@
             null,
             AstTestFactory.typeName4("A"),
             "a",
             AstTestFactory.formalParameterList(
                 [AstTestFactory.simpleFormalParameter3("b")])));
   }
 
   void test_visitFieldFormalParameter_functionTyped_typeParameters() {
     _assertSource(
         "A this.a<E, F>(b)",
-        astFactory.fieldFormalParameter(
-            null,
-            null,
-            null,
-            AstTestFactory.typeName4('A'),
-            TokenFactory.tokenFromKeyword(Keyword.THIS),
-            TokenFactory.tokenFromType(TokenType.PERIOD),
-            AstTestFactory.identifier3('a'),
-            AstTestFactory.typeParameterList(['E', 'F']),
-            AstTestFactory.formalParameterList(
+        astFactory.fieldFormalParameter2(
+            type: AstTestFactory.typeName4('A'),
+            thisKeyword: TokenFactory.tokenFromKeyword(Keyword.THIS),
+            period: TokenFactory.tokenFromType(TokenType.PERIOD),
+            identifier: AstTestFactory.identifier3('a'),
+            typeParameters: AstTestFactory.typeParameterList(['E', 'F']),
+            parameters: AstTestFactory.formalParameterList(
                 [AstTestFactory.simpleFormalParameter3("b")])));
   }
 
   void test_visitFieldFormalParameter_keyword() {
     _assertSource("var this.a",
         AstTestFactory.fieldFormalParameter(Keyword.VAR, null, "a"));
   }
 
   void test_visitFieldFormalParameter_keywordAndType() {
     _assertSource(
@@ skipping 503 matching lines @@
     FunctionTypedFormalParameterImpl expected = AstTestFactory
         .functionTypedFormalParameter(AstTestFactory.typeName4("T"), "f");
     expected.covariantKeyword =
         TokenFactory.tokenFromKeyword(Keyword.COVARIANT);
     _assertSource("covariant T f()", expected);
   }
 
   void test_visitFunctionTypedFormalParameter_typeParameters() {
     _assertSource(
         "T f<E>()",
-        astFactory.functionTypedFormalParameter(
-            null,
-            null,
-            AstTestFactory.typeName4("T"),
-            AstTestFactory.identifier3('f'),
-            AstTestFactory.typeParameterList(['E']),
-            AstTestFactory.formalParameterList([])));
+        astFactory.functionTypedFormalParameter2(
+            returnType: AstTestFactory.typeName4("T"),
+            identifier: AstTestFactory.identifier3('f'),
+            typeParameters: AstTestFactory.typeParameterList(['E']),
+            parameters: AstTestFactory.formalParameterList([])));
   }
 
   void test_visitIfStatement_withElse() {
     _assertSource(
         "if (c) {} else {}",
         AstTestFactory.ifStatement2(AstTestFactory.identifier3("c"),
             AstTestFactory.block(), AstTestFactory.block()));
   }
 
   void test_visitIfStatement_withoutElse() {
@@ skipping 1794 matching lines @@
             null,
             AstTestFactory.typeName4("A"),
             "a",
             AstTestFactory.formalParameterList(
                 [AstTestFactory.simpleFormalParameter3("b")])));
   }
 
   void test_visitFieldFormalParameter_functionTyped_typeParameters() {
     _assertSource(
         "A this.a<E, F>(b)",
-        astFactory.fieldFormalParameter(
-            null,
-            null,
-            null,
-            AstTestFactory.typeName4('A'),
-            TokenFactory.tokenFromKeyword(Keyword.THIS),
-            TokenFactory.tokenFromType(TokenType.PERIOD),
-            AstTestFactory.identifier3('a'),
-            AstTestFactory.typeParameterList(['E', 'F']),
-            AstTestFactory.formalParameterList(
+        astFactory.fieldFormalParameter2(
+            type: AstTestFactory.typeName4('A'),
+            thisKeyword: TokenFactory.tokenFromKeyword(Keyword.THIS),
+            period: TokenFactory.tokenFromType(TokenType.PERIOD),
+            identifier: AstTestFactory.identifier3('a'),
+            typeParameters: AstTestFactory.typeParameterList(['E', 'F']),
+            parameters: AstTestFactory.formalParameterList(
                 [AstTestFactory.simpleFormalParameter3("b")])));
   }
 
   void test_visitFieldFormalParameter_keyword() {
     _assertSource("var this.a",
         AstTestFactory.fieldFormalParameter(Keyword.VAR, null, "a"));
   }
 
   void test_visitFieldFormalParameter_keywordAndType() {
     _assertSource(
@@ skipping 503 matching lines @@
     FunctionTypedFormalParameterImpl expected = AstTestFactory
         .functionTypedFormalParameter(AstTestFactory.typeName4("T"), "f");
     expected.covariantKeyword =
         TokenFactory.tokenFromKeyword(Keyword.COVARIANT);
     _assertSource("covariant T f()", expected);
   }
 
   void test_visitFunctionTypedFormalParameter_typeParameters() {
     _assertSource(
         "T f<E>()",
-        astFactory.functionTypedFormalParameter(
-            null,
-            null,
-            AstTestFactory.typeName4("T"),
-            AstTestFactory.identifier3('f'),
-            AstTestFactory.typeParameterList(['E']),
-            AstTestFactory.formalParameterList([])));
+        astFactory.functionTypedFormalParameter2(
+            returnType: AstTestFactory.typeName4("T"),
+            identifier: AstTestFactory.identifier3('f'),
+            typeParameters: AstTestFactory.typeParameterList(['E']),
+            parameters: AstTestFactory.formalParameterList([])));
   }
 
   void test_visitIfStatement_withElse() {
     _assertSource(
         "if (c) {} else {}",
         AstTestFactory.ifStatement2(AstTestFactory.identifier3("c"),
             AstTestFactory.block(), AstTestFactory.block()));
   }
 
   void test_visitIfStatement_withoutElse() {
@@ skipping 961 matching lines @@
   /**
    * Assert that a `ToSourceVisitor` will produce the [expectedSource] when
    * visiting the given [node].
    */
   void _assertSource(String expectedSource, AstNode node) {
     PrintStringWriter writer = new PrintStringWriter();
     node.accept(new ToSourceVisitor(writer));
     expect(writer.toString(), expectedSource);
   }
 }