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84 lines
2.8 KiB
Dart
84 lines
2.8 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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TestImageInfo a = (await imageCache.loadProvider(new TestProvider(1, 1)).first);
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expect(a.value, equals(1));
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TestImageInfo b = (await imageCache.loadProvider(new TestProvider(1, 2)).first);
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expect(b.value, equals(1));
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TestImageInfo c = (await imageCache.loadProvider(new TestProvider(1, 3)).first);
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expect(c.value, equals(1));
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TestImageInfo d = (await imageCache.loadProvider(new TestProvider(1, 4)).first);
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expect(d.value, equals(1));
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TestImageInfo e = (await imageCache.loadProvider(new TestProvider(1, 5)).first);
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expect(e.value, equals(1));
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TestImageInfo f = (await imageCache.loadProvider(new TestProvider(1, 6)).first);
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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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TestImageInfo g = (await imageCache.loadProvider(new TestProvider(2, 7)).first);
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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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TestImageInfo h = (await imageCache.loadProvider(new TestProvider(1, 8)).first);
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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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TestImageInfo i = (await imageCache.loadProvider(new TestProvider(3, 9)).first);
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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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TestImageInfo j = (await imageCache.loadProvider(new TestProvider(1, 10)).first);
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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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TestImageInfo k = (await imageCache.loadProvider(new TestProvider(4, 11)).first);
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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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TestImageInfo l = (await imageCache.loadProvider(new TestProvider(1, 12)).first);
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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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TestImageInfo m = (await imageCache.loadProvider(new TestProvider(2, 13)).first);
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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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TestImageInfo n = (await imageCache.loadProvider(new TestProvider(3, 14)).first);
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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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TestImageInfo o = (await imageCache.loadProvider(new TestProvider(4, 15)).first);
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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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TestImageInfo p = (await imageCache.loadProvider(new TestProvider(1, 16)).first);
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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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