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4955eef8a7
Now IconThemeData.fallback is a factory constructor and IconThemeData.of() does the work of computing the fallback for its clients. Also, add tests for ImageIcon and ListItems.
84 lines
3.2 KiB
Dart
84 lines
3.2 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 extractOneFrame(const TestImageProvider(1, 1).resolve(ImageConfiguration.empty));
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expect(a.value, equals(1));
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TestImageInfo b = await extractOneFrame(const TestImageProvider(1, 2).resolve(ImageConfiguration.empty));
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expect(b.value, equals(1));
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TestImageInfo c = await extractOneFrame(const TestImageProvider(1, 3).resolve(ImageConfiguration.empty));
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expect(c.value, equals(1));
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TestImageInfo d = await extractOneFrame(const TestImageProvider(1, 4).resolve(ImageConfiguration.empty));
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expect(d.value, equals(1));
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TestImageInfo e = await extractOneFrame(const TestImageProvider(1, 5).resolve(ImageConfiguration.empty));
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expect(e.value, equals(1));
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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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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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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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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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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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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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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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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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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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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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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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