Support new named arguments.

tests/html/fileapi_test.dart

Index: tests/html/fileapi_test.dart
diff --git a/tests/html/fileapi_test.dart b/tests/html/fileapi_test.dart
index 82aad86d6c7074747492cd90cf1fb3430beef33e..f753b013def2a1bceedbebef89288f5c8387aa22 100644
--- a/tests/html/fileapi_test.dart
+++ b/tests/html/fileapi_test.dart
@@ -25,6 +25,7 @@ main() {
   group('getDirectory', () {
 
     test('directoryDoesntExist', () {
+      /* OPTIONALS
       fs.root.getDirectory(
           'directory2',
           options: {},
@@ -34,9 +35,20 @@ main() {
           errorCallback: expectAsync1((FileError e) {
             expect(e.code, equals(FileError.NOT_FOUND_ERR));
           }));
+      */
+      fs.root.getDirectory(
+          'directory2',
+          {},
+          (e) {
+            fail('Should not be reached');
+          },
+          expectAsync1((FileError e) {
+            expect(e.code, equals(FileError.NOT_FOUND_ERR));
+          }));
     });
 
     test('directoryCreate', () {
+      /* OPTIONALS
       fs.root.getDirectory(
           'directory3',
           options: {'create': true},
@@ -46,12 +58,23 @@ main() {
           errorCallback: (e) {
             fail('Got file error: ${e.code}');
           });
+      */
+      fs.root.getDirectory(
+          'directory3',
+          {'create': true},
+          expectAsync1((DirectoryEntry e) {
+            expect(e.name, equals('directory3'));
+          }),
+          (e) {
+            fail('Got file error: ${e.code}');
+          });
     });
   });
 
   group('getFile', () {
 
     test('fileDoesntExist', () {
+      /* OPTIONALS
       fs.root.getFile(
           'file2',
           options: {},
@@ -61,9 +84,20 @@ main() {
           errorCallback: expectAsync1((FileError e) {
             expect(e.code, equals(FileError.NOT_FOUND_ERR));
           }));
+      */
+      fs.root.getFile(
+          'file2',
+          {},
+          (e) {
+            fail('Should not be reached');
+          },
+          expectAsync1((FileError e) {
+            expect(e.code, equals(FileError.NOT_FOUND_ERR));
+          }));
     });
 
     test('fileCreate', () {
+      /* OPTIONALS
       fs.root.getFile(
           'file4',
           options: {'create': true},
@@ -75,5 +109,17 @@ main() {
             fail('Got file error: ${e.code}');
           });
       });
+      */
+      fs.root.getFile(
+          'file4',
+          {'create': true},
+          expectAsync1((FileEntry e) {
+            expect(e.name, equals('file4'));
+            expect(e.isFile, equals(true));
+          }),
+          (e) {
+            fail('Got file error: ${e.code}');
+          });
+      });
   });
 }