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47 lines
1.6 KiB
Dart
47 lines
1.6 KiB
Dart
// 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
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// found in the LICENSE file.
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import 'package:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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test('IconThemeData control test', () {
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const IconThemeData data = IconThemeData(color: Color(0xAAAAAAAA), opacity: 0.5, size: 16.0);
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expect(data, hasOneLineDescription);
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expect(data, equals(data.copyWith()));
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expect(data.hashCode, equals(data.copyWith().hashCode));
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final IconThemeData lerped = IconThemeData.lerp(data, const IconThemeData.fallback(), 0.25);
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expect(lerped.color, const Color(0xBF7F7F7F));
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expect(lerped.opacity, 0.625);
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expect(lerped.size, 18.0);
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});
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test('IconThemeData lerp with first null', () {
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const IconThemeData data = IconThemeData(color: Color(0xFFFFFFFF), opacity: 1.0, size: 16.0);
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final IconThemeData lerped = IconThemeData.lerp(null, data, 0.25);
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expect(lerped.color, const Color(0x40FFFFFF));
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expect(lerped.opacity, 0.25);
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expect(lerped.size, 4.0);
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});
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test('IconThemeData lerp with second null', () {
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const IconThemeData data = IconThemeData(color: Color(0xFFFFFFFF), opacity: 1.0, size: 16.0);
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final IconThemeData lerped = IconThemeData.lerp(data, null, 0.25);
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expect(lerped.color, const Color(0xBFFFFFFF));
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expect(lerped.opacity, 0.75);
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expect(lerped.size, 12.0);
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});
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test('IconThemeData lerp with both null', () {
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final IconThemeData lerped = IconThemeData.lerp(null, null, 0.25);
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expect(lerped.color, null);
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expect(lerped.opacity, null);
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expect(lerped.size, null);
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});
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}
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