[video_player] Add toString() to Caption (flutter#3233)

Author: Emmanuel Garcia

packages/video_player/video_player/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.11.1+4
+
+* Add `toString()` to `Caption`.
+
 ## 0.11.1+3
 
 * Android: Upgrade ExoPlayer to 2.12.1.

packages/video_player/video_player/lib/src/closed_caption_file.dart

@@ -45,4 +45,13 @@ class Caption {
   /// The actual text that should appear on screen to be read between [start]
   /// and [end].
   final String text;
+
+  @override
+  String toString() {
+    return '$runtimeType('
+        'number: $number, '
+        'start: $start, '
+        'end: $end, '
+        'text: $text)';
+  }
 }

packages/video_player/video_player/pubspec.yaml

@@ -4,7 +4,7 @@ description: Flutter plugin for displaying inline video with other Flutter
 # 0.10.y+z is compatible with 1.0.0, if you land a breaking change bump
 # the version to 2.0.0.
 # See more details: https://github.com/flutter/flutter/wiki/Package-migration-to-1.0.0
-version: 0.11.1+3
+version: 0.11.1+4
 homepage: https://github.com/flutter/plugins/tree/master/packages/video_player/video_player
 
 flutter:

packages/video_player/video_player/test/closed_caption_file_test.dart

@@ -0,0 +1,28 @@
+// Copyright 2020 The Chromium Authors. 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:flutter_test/flutter_test.dart';
+import 'package:video_player/src/closed_caption_file.dart';
+
+void main() {
+  group('ClosedCaptionFile', () {
+    test('toString()', () {
+      final Caption caption = const Caption(
+        number: 1,
+        start: Duration(seconds: 1),
+        end: Duration(seconds: 2),
+        text: 'caption',
+      );
+
+      expect(
+          caption.toString(),
+          'Caption('
+          'number: 1, '
+          'start: 0:00:01.000000, '
+          'end: 0:00:02.000000, '
+          'text: caption'
+          ')');
+    });
+  });
+}

packages/video_player/video_player/test/video_player_test.dart

@@ -566,7 +566,7 @@ void main() {
           'VideoPlayerValue(duration: 0:00:05.000000, '
           'size: Size(400.0, 300.0), '
           'position: 0:00:01.000000, '
-          'caption: Instance of \'Caption\', '
+          'caption: Caption(number: null, start: null, end: null, text: foo), '
           'buffered: [DurationRange(start: 0:00:00.000000, end: 0:00:04.000000)], '
           'isPlaying: true, '
           'isLooping: true, '