(TBR) Fix import parsing

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.
 
 library engine.parser_test;
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
@@ skipping 4611 matching lines @@
   }
 
   void test_function_literal_allowed_in_ParenthesizedExpression_in_ConstructorFieldInitializer() {
     ParserTestCase.parseCompilationUnit("class C { C() : a = (() {}); }");
   }
 
   void test_function_literal_allowed_in_StringInterpolation_in_ConstructorFieldInitializer() {
     ParserTestCase.parseCompilationUnit("class C { C() : a = \"\${(){}}\"; }");
   }
 
+  void test_import_as_show() {
+    ParserTestCase.parseCompilationUnit("import 'dart:math' as M show E;");
+  }
+
+  void test_import_show_hide() {
+    ParserTestCase.parseCompilationUnit(
+        "import 'import1_lib.dart' show hide, show hide ugly;");
+  }
+
   void test_isFunctionDeclaration_nameButNoReturn_block() {
     expect(_isFunctionDeclaration("f() {}"), isTrue);
   }
 
   void test_isFunctionDeclaration_nameButNoReturn_expression() {
     expect(_isFunctionDeclaration("f() => e"), isTrue);
   }
 
   void test_isFunctionDeclaration_normalReturn_block() {
     expect(_isFunctionDeclaration("C f() {}"), isTrue);
@@ skipping 5599 matching lines @@
         new Scanner(null, new CharSequenceReader(source), listener);
     Token tokenStream = scanner.tokenize();
     //
     // Parse the source.
     //
     Parser parser = new Parser(null, listener);
     return invokeParserMethodImpl(
         parser, methodName, <Object>[tokenStream], tokenStream) as Token;
   }
 }