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102 lines
3.6 KiB
Dart
102 lines
3.6 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(
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size: 16.0,
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fill: 0.5,
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weight: 600,
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grade: 25,
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opticalSize: 45,
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color: Color(0xAAAAAAAA),
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opacity: 0.5,
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shadows: <Shadow>[Shadow(color: Color(0xAAAAAAAA), blurRadius: 1.0, offset: Offset(1.0, 1.0))],
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);
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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.size, 18.0);
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expect(lerped.fill, 0.375);
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expect(lerped.weight, 550.0);
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expect(lerped.grade, 18.75);
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expect(lerped.opticalSize, 45.75);
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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.shadows, const <Shadow>[Shadow(color: Color(0xAAAAAAAA), blurRadius: 0.75, offset: Offset(0.75, 0.75))]);
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});
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group('IconThemeData lerp', () {
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const IconThemeData data = IconThemeData(
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size: 16.0,
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fill: 0.5,
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weight: 600,
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grade: 25,
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opticalSize: 45,
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color: Color(0xFFFFFFFF),
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opacity: 1.0,
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shadows: <Shadow>[Shadow(color: Color(0xFFFFFFFF), blurRadius: 1.0, offset: Offset(1.0, 1.0))],
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);
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test('with first null', () {
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final IconThemeData lerped = IconThemeData.lerp(null, data, 0.25);
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expect(lerped.size, 4.0);
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expect(lerped.fill, 0.125);
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expect(lerped.weight, 150.0);
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expect(lerped.grade, 6.25);
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expect(lerped.opticalSize, 11.25);
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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.shadows, const <Shadow>[Shadow(color: Color(0xFFFFFFFF), blurRadius: 0.25, offset: Offset(0.25, 0.25))]);
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});
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test('IconThemeData lerp special cases', () {
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expect(IconThemeData.lerp(null, null, 0), const IconThemeData());
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const IconThemeData data = IconThemeData();
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expect(identical(IconThemeData.lerp(data, data, 0.5), data), true);
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});
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test('with second null', () {
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final IconThemeData lerped = IconThemeData.lerp(data, null, 0.25);
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expect(lerped.size, 12.0);
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expect(lerped.fill, 0.375);
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expect(lerped.weight, 450.0);
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expect(lerped.grade, 18.75);
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expect(lerped.opticalSize, 33.75);
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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.shadows, const <Shadow>[Shadow(color: Color(0xFFFFFFFF), blurRadius: 0.75, offset: Offset(0.75, 0.75))]);
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});
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test('with both null', () {
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final IconThemeData lerped = IconThemeData.lerp(null, null, 0.25);
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expect(lerped.size, null);
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expect(lerped.fill, null);
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expect(lerped.weight, null);
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expect(lerped.grade, null);
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expect(lerped.opticalSize, null);
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expect(lerped.color, null);
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expect(lerped.opacity, null);
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expect(lerped.shadows, null);
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});
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});
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test('Throws if given invalid values', () {
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expect(() => IconThemeData(fill: -0.1), throwsAssertionError);
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expect(() => IconThemeData(fill: 1.1), throwsAssertionError);
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expect(() => IconThemeData(weight: -0.1), throwsAssertionError);
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expect(() => IconThemeData(weight: 0.0), throwsAssertionError);
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expect(() => IconThemeData(opticalSize: -0.1), throwsAssertionError);
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expect(() => IconThemeData(opticalSize: 0), throwsAssertionError);
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});
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}
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