Add File.readAsBytesSync/writeAsBytesSync() methods.

pkg/analyzer/test/file_system/physical_resource_provider_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.file_system.physical_resource_provider_test;
 
 import 'dart:async';
 import 'dart:core' hide Resource;
 import 'dart:io' as io;
 
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:path/path.dart';
 import 'package:unittest/unittest.dart';
 import 'package:watcher/watcher.dart';
 
 import '../reflective_tests.dart';
 import '../utils.dart';
 
 main() {
   initializeTestEnvironment();
-  runReflectiveTests(PhysicalResourceProviderTest);
-  runReflectiveTests(FileTest);
-  runReflectiveTests(FolderTest);
+  if (!new bool.fromEnvironment('skipPhysicalResourceProviderTests')) {
+    runReflectiveTests(PhysicalResourceProviderTest);
+    runReflectiveTests(FileTest);
+    runReflectiveTests(FolderTest);
+  }
 }
 
 var _isFile = new isInstanceOf<File>();
 var _isFileSystemException = new isInstanceOf<FileSystemException>();
 var _isFolder = new isInstanceOf<Folder>();
 
 @reflectiveTest
 class FileTest extends _BaseTest {
   String path;
   File file;
@@ skipping 61 matching lines @@
     File file = PhysicalResourceProvider.INSTANCE.getResource(path);
     expect(file.modificationStamp, isNonNegative);
   }
 
   void test_parent() {
     Resource parent = file.parent;
     expect(parent, new isInstanceOf<Folder>());
     expect(parent.path, equals(tempPath));
   }
 
+  void test_readAsBytesSync_doesNotExist() {
+    File file = PhysicalResourceProvider.INSTANCE.getResource('/test.bin');
+    expect(() {
+      file.readAsBytesSync();
+    }, throwsA(_isFileSystemException));
+  }
+
+  void test_readAsBytesSync_exists() {
+    List<int> bytes = <int>[1, 2, 3, 4, 5];
+    new io.File(path).writeAsBytesSync(bytes);
+    expect(file.readAsBytesSync(), bytes);
+  }
+
   void test_readAsStringSync_doesNotExist() {
     File file = PhysicalResourceProvider.INSTANCE.getResource(path);
     expect(() {
       file.readAsStringSync();
     }, throwsA(_isFileSystemException));
   }
 
   void test_readAsStringSync_exists() {
     new io.File(path).writeAsStringSync('abc');
     File file = PhysicalResourceProvider.INSTANCE.getResource(path);
     expect(file.readAsStringSync(), 'abc');
   }
 
   void test_shortName() {
     expect(file.shortName, 'file.txt');
   }
 
   void test_toString() {
     expect(file.toString(), path);
   }
+
+  void test_writeAsBytesSync() {
+    new io.File(path).writeAsBytesSync(<int>[1, 2]);
+    expect(file.readAsBytesSync(), <int>[1, 2]);
+    // write new bytes
+    file.writeAsBytesSync(<int>[10, 20]);
+    expect(file.readAsBytesSync(), <int>[10, 20]);
+  }
 }
 
 @reflectiveTest
 class FolderTest extends _BaseTest {
   String path;
   Folder folder;
 
   setUp() {
     super.setUp();
     path = join(tempPath, 'folder');
@@ skipping 306 matching lines @@
 
   setUp() {
     tempDirectory = io.Directory.systemTemp.createTempSync('test_resource');
     tempPath = tempDirectory.absolute.path;
   }
 
   tearDown() {
     tempDirectory.deleteSync(recursive: true);
   }
 }