Fix for issue 20796

pkg/analyzer/test/generated/parser_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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.parser_test;
 
 import 'package:analyzer/src/generated/error.dart';
@@ skipping 2455 matching lines @@
     // Make sure we recovered and parsed "var v" correctly
     ClassDeclaration declaration = unit.declarations[0] as ClassDeclaration;
     NodeList<ClassMember> members = declaration.members;
     ClassMember fieldDecl = members[1];
     EngineTestCase.assertInstanceOf((obj) => obj is FieldDeclaration, FieldDeclaration, fieldDecl);
     NodeList<VariableDeclaration> vars = (fieldDecl as FieldDeclaration).fields.variables;
     expect(vars, hasLength(1));
     expect(vars[0].name.name, "v");
   }
 
+  void test_incomplete_constructorInitializers_empty() {
+    ParserTestCase.parse3(
+        "parseClassMember",
+        ["C"],
+        "C() : {}",
+        [ParserErrorCode.MISSING_INITIALIZER]);
+  }
+
+  void test_incomplete_constructorInitializers_variable() {
+    ParserTestCase.parse3(
+        "parseClassMember",
+        ["C"],
+        "C() : x {}",
+        [ParserErrorCode.MISSING_ASSIGNMENT_IN_INITIALIZER]);
+  }
+
   void test_incomplete_topLevelVariable() {
     CompilationUnit unit = ParserTestCase.parseCompilationUnit("String", [ParserErrorCode.EXPECTED_EXECUTABLE]);
     NodeList<CompilationUnitMember> declarations = unit.declarations;
     expect(declarations, hasLength(1));
     CompilationUnitMember member = declarations[0];
     EngineTestCase.assertInstanceOf((obj) => obj is TopLevelVariableDeclaration, TopLevelVariableDeclaration, member);
     NodeList<VariableDeclaration> variables = (member as TopLevelVariableDeclaration).variables.variables;
     expect(variables, hasLength(1));
     SimpleIdentifier name = variables[0].name;
     expect(name.isSynthetic, isTrue);
@@ skipping 5816 matching lines @@
 main() {
   groupSep = ' | ';
   runReflectiveTests(ComplexParserTest);
   runReflectiveTests(ErrorParserTest);
   runReflectiveTests(IncrementalParserTest);
   runReflectiveTests(NonErrorParserTest);
   runReflectiveTests(RecoveryParserTest);
   runReflectiveTests(ResolutionCopierTest);
   runReflectiveTests(SimpleParserTest);
 }