// Copyright 2016 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'package:flutter/material.dart'; import 'package:flutter_test/flutter_test.dart'; void main() { test('Theme data control test', () { final ThemeData dark = new ThemeData.dark(); expect(dark, hasOneLineDescription); expect(dark, equals(dark.copyWith())); expect(dark.hashCode, equals(dark.copyWith().hashCode)); final ThemeData light = new ThemeData.light(); final ThemeData dawn = ThemeData.lerp(dark, light, 0.25); expect(dawn.brightness, Brightness.dark); expect(dawn.primaryColor, Color.lerp(dark.primaryColor, light.primaryColor, 0.25)); }); test('Defaults to the default typography for the platform', () { for (TargetPlatform platform in TargetPlatform.values) { final ThemeData theme = new ThemeData(platform: platform); final Typography typography = new Typography(platform: platform); expect(theme.textTheme, typography.black, reason: 'Not using default typography for $platform'); } }); test('Default text theme contrasts with brightness', () { final ThemeData lightTheme = new ThemeData(brightness: Brightness.light); final ThemeData darkTheme = new ThemeData(brightness: Brightness.dark); final Typography typography = new Typography(platform: lightTheme.platform); expect(lightTheme.textTheme.title.color, typography.black.title.color); expect(darkTheme.textTheme.title.color, typography.white.title.color); }); test('Default primary text theme contrasts with primary brightness', () { final ThemeData lightTheme = new ThemeData(primaryColorBrightness: Brightness.light); final ThemeData darkTheme = new ThemeData(primaryColorBrightness: Brightness.dark); final Typography typography = new Typography(platform: lightTheme.platform); expect(lightTheme.primaryTextTheme.title.color, typography.black.title.color); expect(darkTheme.primaryTextTheme.title.color, typography.white.title.color); }); test('Default accent text theme contrasts with accent brightness', () { final ThemeData lightTheme = new ThemeData(accentColorBrightness: Brightness.light); final ThemeData darkTheme = new ThemeData(accentColorBrightness: Brightness.dark); final Typography typography = new Typography(platform: lightTheme.platform); expect(lightTheme.accentTextTheme.title.color, typography.black.title.color); expect(darkTheme.accentTextTheme.title.color, typography.white.title.color); }); test('Default icon theme contrasts with brightness', () { final ThemeData lightTheme = new ThemeData(brightness: Brightness.light); final ThemeData darkTheme = new ThemeData(brightness: Brightness.dark); final Typography typography = new Typography(platform: lightTheme.platform); expect(lightTheme.textTheme.title.color, typography.black.title.color); expect(darkTheme.textTheme.title.color, typography.white.title.color); }); test('Default primary icon theme contrasts with primary brightness', () { final ThemeData lightTheme = new ThemeData(primaryColorBrightness: Brightness.light); final ThemeData darkTheme = new ThemeData(primaryColorBrightness: Brightness.dark); final Typography typography = new Typography(platform: lightTheme.platform); expect(lightTheme.primaryTextTheme.title.color, typography.black.title.color); expect(darkTheme.primaryTextTheme.title.color, typography.white.title.color); }); test('Default accent icon theme contrasts with accent brightness', () { final ThemeData lightTheme = new ThemeData(accentColorBrightness: Brightness.light); final ThemeData darkTheme = new ThemeData(accentColorBrightness: Brightness.dark); final Typography typography = new Typography(platform: lightTheme.platform); expect(lightTheme.accentTextTheme.title.color, typography.black.title.color); expect(darkTheme.accentTextTheme.title.color, typography.white.title.color); }); test('Can control fontFamily', () { final ThemeData themeData = new ThemeData(fontFamily: 'Ahem'); expect(themeData.textTheme.body2.fontFamily, equals('Ahem')); expect(themeData.primaryTextTheme.title.fontFamily, equals('Ahem')); expect(themeData.accentTextTheme.display4.fontFamily, equals('Ahem')); }); }