Split File into File and RandomAccessFile.

tests/standalone/src/FileInvalidArgumentsTest.dart

 // Copyright (c) 2011, 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.
 
 class FileTest {
   static void testOpenInvalidArgs(name, [writable = false]) {
     var file = new File(name);
     try {
       file.openSync();
       Expect.fail('exception expected');
@@ skipping 42 matching lines @@
 
     file.errorHandler = (s) {
       Expect.isTrue(s.contains('Cannot create file'));
     };
     file.createHandler = (created) {
       Expect.fail('non-string name exists');
     };
     file.create();
   }
 
-  static void testCloseNonOpened() {
-    var file = new File(0);
-    try {
-      file.closeSync();
-      Expect.fail('exception expected');
-    } catch (var e) {
-      Expect.isTrue(e is FileIOException);
-      Expect.isTrue(e.toString().contains('Cannot close file'));
-    }
-
-    file.errorHandler = (s) {
-      Expect.isTrue(s.contains('Cannot close file'));
-    };
-    file.closeHandler = () {
-      Expect.fail('close non-opened file');
-    };
-    file.close();
-  }
-
   static void testReadListInvalidArgs(buffer, offset, length) {
     String filename = getFilename("tests/vm/data/fixed_length_file");
-    var file = new File(filename);
-    file.openSync();
+    var file = (new File(filename)).openSync();
     try {
       file.readListSync(buffer, offset, length);
       Expect.fail('exception expected');
     } catch (var e) {
       Expect.isTrue(e is FileIOException);
       Expect.isTrue(e.toString().contains('Invalid arguments'));
     }
 
     var errors = 0;
     file.errorHandler = (s) {
       errors++;
       Expect.isTrue(s.contains('Invalid arguments'));
     };
     file.readListHandler = (bytes) {
       Expect.fail('read list invalid arguments');
     };
     file.readList(buffer, offset, length);
     file.closeHandler = () {
       Expect.equals(1, errors);
     };
     file.close();
   }
 
   static void testWriteByteInvalidArgs(value) {
     String filename = getFilename("tests/vm/data/fixed_length_file");
-    var file = new File(filename + "_out");
-    file.openSync(true);
+    var file = (new File(filename + "_out")).openSync(true);
     try {
       file.writeByteSync(value);
       Expect.fail('exception expected');
     } catch (var e) {
       Expect.isTrue(e is FileIOException);
       Expect.isTrue(e.toString().contains('Invalid argument'));
     }
 
     var errors = 0;
     file.errorHandler = (s) {
       errors++;
       Expect.isTrue(s.contains('Invalid argument'));
     };
     file.noPendingWriteHandler = (bytes) {
       Expect.fail('write list invalid argument');
     };
     file.writeByte(value);
     file.closeHandler = () {
       Expect.equals(1, errors);
     };
     file.close();
   }
 
   static void testWriteListInvalidArgs(buffer, offset, bytes) {
     String filename = getFilename("tests/vm/data/fixed_length_file");
-    var file = new File(filename + "_out");
-    file.openSync(true);
+    var file = (new File(filename + "_out")).openSync(true);
     try {
       file.writeListSync(buffer, offset, bytes);
       Expect.fail('exception expected');
     } catch (var e) {
       Expect.isTrue(e is FileIOException);
       Expect.isTrue(e.toString().contains('Invalid arguments'));
     }
 
     var errors = 0;
     file.errorHandler = (s) {
@@ skipping 58 matching lines @@
 
   static String getFilename(String path) =>
       new File(path).existsSync() ? path : 'runtime/' + path;
 }
 
 main() {
   FileTest.testOpenInvalidArgs(0);
   FileTest.testOpenInvalidArgs('name', 0);
   FileTest.testExistsInvalidArgs(0);
   FileTest.testCreateInvalidArgs(0);
-  FileTest.testCloseNonOpened();
   FileTest.testReadListInvalidArgs(12, 0, 1);
   FileTest.testReadListInvalidArgs(new List(10), '0', 1);
   FileTest.testReadListInvalidArgs(new List(10), 0, '1');
   FileTest.testWriteByteInvalidArgs('asdf');
   FileTest.testWriteListInvalidArgs(12, 0, 1);
   FileTest.testWriteListInvalidArgs(new List(10), '0', 1);
   FileTest.testWriteListInvalidArgs(new List(10), 0, '1');
   FileTest.testFullPathInvalidArgs(12);
 }