tests/html/filereader_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 filereader_test;
import 'package:unittest/unittest.dart';
import 'package:unittest/html_config.dart';
import 'dart:html';
import 'dart:typed_data';

main() {
  useHtmlConfiguration();

  test('readAsText', () {
      var reader = new FileReader();
      reader.onLoad.listen(expectAsync((event) {
        var result = reader.result;
        expect(result, equals('hello world'));
      }));
      reader.readAsText(new Blob(['hello ', 'world']));
  });

  test('readAsArrayBuffer', () {
      var reader = new FileReader();
      reader.onLoad.listen(expectAsync((event) {
        var result = reader.result;
        expect(result is Uint8List, isTrue);
        expect(result, orderedEquals([65, 66, 67]));
      }));
      reader.readAsArrayBuffer(new Blob(['ABC']));
  });

  test('readDataUrl', () {
      var reader = new FileReader();
      reader.onLoad.listen(expectAsync((event) {
        var result = reader.result;
        expect(result is String, isTrue);
        expect(result.startsWith('data:'), isTrue);
      }));
      reader.readAsDataUrl(new Blob(['ABC']));
  });

}