translate fasta parser error to analyzer error

pkg/analyzer/test/generated/parser_fasta_test.dart

 // Copyright (c) 2017, 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.
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart' as analyzer;
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/error/error.dart';
 import 'package:analyzer/src/dart/scanner/scanner.dart';
 import 'package:analyzer/src/fasta/ast_builder.dart';
@@ skipping 265 matching lines @@
     implements AbstractParserTestCase {
   ParserProxy _parserProxy;
   analyzer.Token _fastaTokens;
 
   /**
    * Whether generic method comments should be enabled for the test.
    */
   bool enableGenericMethodComments = false;
 
   @override
+  bool get usingFasta => true;
+
+  @override
   set enableAssertInitializer(bool value) {
     if (value == true) {
       // TODO(paulberry,ahe): it looks like asserts in initializer lists are not
       // supported by Fasta.
       throw new UnimplementedError();
     }
   }
 
   @override
   set enableLazyAssignmentOperators(bool value) {
@@ skipping 103 matching lines @@
     scanner.scanGenericMethodComments = enableGenericMethodComments;
     _fastaTokens = scanner.tokenize();
 
     // Run parser
     analyzer.Parser parser =
         new analyzer.Parser(source, listener, useFasta: true);
     CompilationUnit unit = parser.parseCompilationUnit(_fastaTokens);
 
     // Assert and return result
     listener.assertErrorsWithCodes(expectedErrorCodes);
+    expect(unit, isNotNull);
     return unit;
   }
 
   @override
   ConditionalExpression parseConditionalExpression(String code) {
     return _parseExpression(code);
   }
 
   @override
   Expression parseConstExpression(String code) {
@@ skipping 532 matching lines @@
     with TopLevelParserTestMixin {
   @override
   @failingTest
   void test_parseClassDeclaration_native() {
     // TODO(paulberry): TODO(paulberry,ahe): Fasta parser doesn't appear to support "native" syntax yet.
     super.test_parseClassDeclaration_native();
   }
 
   @override
   @failingTest
-  void test_parseCompilationUnit_abstractAsPrefix_parameterized() {
-    super.test_parseCompilationUnit_abstractAsPrefix_parameterized();
-  }
-
-  @override
-  @failingTest
   void test_parseCompilationUnit_builtIn_asFunctionName() {
     // TODO(paulberry,ahe): Fasta's parser is confused when one of the built-in
     // identifiers `export`, `import`, `library`, `part`, or `typedef` appears
     // as the name of a top level function with an implicit return type.
     super.test_parseCompilationUnit_builtIn_asFunctionName();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnit_exportAsPrefix() {
     // TODO(paulberry): As of commit 5de9108 this syntax is invalid.
     super.test_parseCompilationUnit_exportAsPrefix();
   }
 
   @override
   @failingTest
   void test_parseCompilationUnit_exportAsPrefix_parameterized() {
     // TODO(paulberry): As of commit 5de9108 this syntax is invalid.
     super.test_parseCompilationUnit_exportAsPrefix_parameterized();
   }
 
   @override
   @failingTest
-  void test_parseCompilationUnit_operatorAsPrefix_parameterized() {
-    super.test_parseCompilationUnit_operatorAsPrefix_parameterized();
-  }
-
-  @override
-  @failingTest
   void test_parseDirectives_mixed() {
     // TODO(paulberry,ahe): This test verifies the analyzer parser's ability to
     // stop parsing as soon as the first non-directive is encountered; this is
     // useful for quickly traversing an import graph.  Consider adding a similar
     // ability to Fasta's parser.
     super.test_parseDirectives_mixed();
   }
 
   @override
   @failingTest
   void test_parsePartOfDirective_name() {
     // TODO(paulberry,ahe): Thes test verifies that even if URIs in "part of"
     // declarations are enabled, a construct of the form "part of identifier;"
     // is still properly handled.  URIs in "part of" declarations are not
     // supported by Fasta yet.
     super.test_parsePartOfDirective_name();
   }
 
   @override
   @failingTest
   void test_parsePartOfDirective_uri() {
     // TODO(paulberry,ahe): URIs in "part of" declarations are not supported by
     // Fasta.
     super.test_parsePartOfDirective_uri();
   }
 }