// 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('TextTheme control test', () { final Typography typography = new Typography(platform: TargetPlatform.android); expect(typography.black, equals(typography.black.copyWith())); expect(typography.black, equals(typography.black.apply())); expect(typography.black.hashCode, equals(typography.black.copyWith().hashCode)); expect(typography.black, isNot(equals(typography.white))); }); test('Typography is defined for all target platforms', () { for (TargetPlatform platform in TargetPlatform.values) { final Typography typography = new Typography(platform: platform); expect(typography, isNotNull, reason: 'null typography for $platform'); expect(typography.black, isNotNull, reason: 'null black typography for $platform'); expect(typography.white, isNotNull, reason: 'null white typography for $platform'); } }); test('Typography on Android, Fuchsia defaults to Roboto', () { expect(new Typography(platform: TargetPlatform.android).black.title.fontFamily, 'Roboto'); expect(new Typography(platform: TargetPlatform.fuchsia).black.title.fontFamily, 'Roboto'); }); test('Typography on iOS defaults to the correct SF font family based on size', () { // Ref: https://developer.apple.com/ios/human-interface-guidelines/visual-design/typography/ final Matcher hasCorrectFont = predicate((TextStyle s) { return s.fontFamily == (s.fontSize <= 19.0 ? '.SF UI Text' : '.SF UI Display'); }, 'Uses SF Display font for font sizes over 19.0, otherwise SF Text font'); final Typography typography = new Typography(platform: TargetPlatform.iOS); for (TextTheme textTheme in <TextTheme>[typography.black, typography.white]) { expect(textTheme.display4, hasCorrectFont); expect(textTheme.display3, hasCorrectFont); expect(textTheme.display2, hasCorrectFont); expect(textTheme.display1, hasCorrectFont); expect(textTheme.headline, hasCorrectFont); expect(textTheme.title, hasCorrectFont); expect(textTheme.subhead, hasCorrectFont); expect(textTheme.body2, hasCorrectFont); expect(textTheme.body1, hasCorrectFont); expect(textTheme.caption, hasCorrectFont); expect(textTheme.button, hasCorrectFont); } }); }