pkgs/markdown/test/util_test.dart

// Copyright (c) 2012, 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.

import 'package:markdown/markdown.dart';
import 'package:markdown/src/util.dart';
import 'package:test/test.dart';

void main() {
  group('String.toLines()', () {
    test('a single line without a line ending', () {
      const text = 'Foo';
      final lines = text.toLines();

      expect(lines.map((e) => e.toMap()), [
        {
          'content': 'Foo',
          'isBlankLine': false,
        }
      ]);
    });

    test('a single line with a line ending', () {
      const text = 'Foo\n';
      final lines = text.toLines();

      expect(lines.map((e) => e.toMap()), [
        {
          'content': 'Foo',
          'isBlankLine': false,
        },
      ]);
    });

    test('multiple lines with a blank line in between', () {
      const text = 'Foo\r\n\nBar';
      final lines = text.toLines();

      expect(lines.map((e) => e.toMap()), [
        {
          'content': 'Foo',
          'isBlankLine': false,
        },
        {
          'content': '',
          'isBlankLine': true,
        },
        {
          'content': 'Bar',
          'isBlankLine': false,
        }
      ]);
    });
  });
}

extension on Line {
  Map<String, dynamic> toMap() => {
        'content': content,
        'isBlankLine': isBlankLine,
        if (tabRemaining != null) 'tabRemaining': tabRemaining,
      };
}