image_decoder_test.dart 789 Bytes
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// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'dart:typed_data';
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import 'dart:ui' as ui;
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import 'package:flutter/painting.dart';
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import 'package:flutter_test/flutter_test.dart';
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import '../image_data.dart';
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import 'painting_utils.dart';
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void main() {
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  final PaintingBindingSpy binding = PaintingBindingSpy();
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  test('Image decoder control test', () async {
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    expect(binding.instantiateImageCodecCalledCount, 0);
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    final ui.Image image = await decodeImageFromList(Uint8List.fromList(kTransparentImage));
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    expect(image, isNotNull);
    expect(image.width, 1);
    expect(image.height, 1);
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    expect(binding.instantiateImageCodecCalledCount, 1);
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  });
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}