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84 lines
3.3 KiB
Dart
84 lines
3.3 KiB
Dart
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/services.dart';
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import 'package:test/test.dart';
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import 'mocks_for_image_cache.dart';
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void main() {
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test('Image cache', () async {
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imageCache.maximumSize = 3;
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final TestImageInfo a = await extractOneFrame(const TestImageProvider(1, 1).resolve(ImageConfiguration.empty));
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expect(a.value, equals(1));
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final TestImageInfo b = await extractOneFrame(const TestImageProvider(1, 2).resolve(ImageConfiguration.empty));
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expect(b.value, equals(1));
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final TestImageInfo c = await extractOneFrame(const TestImageProvider(1, 3).resolve(ImageConfiguration.empty));
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expect(c.value, equals(1));
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final TestImageInfo d = await extractOneFrame(const TestImageProvider(1, 4).resolve(ImageConfiguration.empty));
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expect(d.value, equals(1));
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final TestImageInfo e = await extractOneFrame(const TestImageProvider(1, 5).resolve(ImageConfiguration.empty));
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expect(e.value, equals(1));
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final TestImageInfo f = await extractOneFrame(const TestImageProvider(1, 6).resolve(ImageConfiguration.empty));
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expect(f.value, equals(1));
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expect(f, equals(a));
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// cache still only has one entry in it: 1(1)
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final TestImageInfo g = await extractOneFrame(const TestImageProvider(2, 7).resolve(ImageConfiguration.empty));
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expect(g.value, equals(7));
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// cache has two entries in it: 1(1), 2(7)
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final TestImageInfo h = await extractOneFrame(const TestImageProvider(1, 8).resolve(ImageConfiguration.empty));
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expect(h.value, equals(1));
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// cache still has two entries in it: 2(7), 1(1)
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final TestImageInfo i = await extractOneFrame(const TestImageProvider(3, 9).resolve(ImageConfiguration.empty));
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expect(i.value, equals(9));
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// cache has three entries in it: 2(7), 1(1), 3(9)
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final TestImageInfo j = await extractOneFrame(const TestImageProvider(1, 10).resolve(ImageConfiguration.empty));
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expect(j.value, equals(1));
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// cache still has three entries in it: 2(7), 3(9), 1(1)
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final TestImageInfo k = await extractOneFrame(const TestImageProvider(4, 11).resolve(ImageConfiguration.empty));
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expect(k.value, equals(11));
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// cache has three entries: 3(9), 1(1), 4(11)
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final TestImageInfo l = await extractOneFrame(const TestImageProvider(1, 12).resolve(ImageConfiguration.empty));
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expect(l.value, equals(1));
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// cache has three entries: 3(9), 4(11), 1(1)
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final TestImageInfo m = await extractOneFrame(const TestImageProvider(2, 13).resolve(ImageConfiguration.empty));
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expect(m.value, equals(13));
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// cache has three entries: 4(11), 1(1), 2(13)
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final TestImageInfo n = await extractOneFrame(const TestImageProvider(3, 14).resolve(ImageConfiguration.empty));
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expect(n.value, equals(14));
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// cache has three entries: 1(1), 2(13), 3(14)
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final TestImageInfo o = await extractOneFrame(const TestImageProvider(4, 15).resolve(ImageConfiguration.empty));
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expect(o.value, equals(15));
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// cache has three entries: 2(13), 3(14), 4(15)
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final TestImageInfo p = await extractOneFrame(const TestImageProvider(1, 16).resolve(ImageConfiguration.empty));
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expect(p.value, equals(16));
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// cache has three entries: 3(14), 4(15), 1(16)
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});
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}
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