blob: 0cc7c887be782918c396fb05a684d97f00616c71 [file] [log] [blame]
// 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.
// @dart = 2.9
/// @assertion int lengthSync()
/// Synchronously gets the length of the file.
/// Throws a FileSystemException if the operation fails.
///
/// @description Checks that method lengthSync returns the length of the file.
/// @author ngl@unipro.ru
import "dart:async";
import "dart:io";
import "../../../Utils/expect.dart";
import "../file_utils.dart";
void check(int fLen) {
File file = getTempFileSync();
asyncStart();
Future<RandomAccessFile> raFile = file.open(mode: FileMode.write);
raFile.then((RandomAccessFile rf) {
Expect.isNotNull(rf);
for (int i = 0; i < fLen; i++) {
rf.writeByteSync((i + 1) & 0xff);
}
var rfLen = rf.lengthSync();
Expect.isTrue(rfLen == fLen);
asyncEnd();
rf.closeSync();
}).whenComplete(() {
file.deleteSync();
});
}
main() {
for (int i = 0; i < 10; i++) {
check(i);
}
}