/** * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * @format * @emails oncall+react_native */ 'use strict'; describe('Dimensions', () => { const Dimensions = require('../Dimensions'); const Platform = require('../Platform'); it('should set window dimensions', () => { Dimensions.set({ windowPhysicalPixels: { width: 400, height: 800, scale: 2, fontScale: 3, }, }); expect(Dimensions.get('window').width).toEqual(200); expect(Dimensions.get('window').height).toEqual(400); expect(Dimensions.get('window').scale).toEqual(2); expect(Dimensions.get('window').fontScale).toEqual(3); }); it('should set screen dimensions on Android', () => { Platform.OS = 'android'; const dimensions = { width: 400, height: 800, scale: 2, fontScale: 3, }; Dimensions.set({ windowPhysicalPixels: dimensions, screenPhysicalPixels: dimensions, }); expect(Dimensions.get('screen').width).toEqual(200); expect(Dimensions.get('screen').height).toEqual(400); expect(Dimensions.get('screen').scale).toEqual(2); expect(Dimensions.get('screen').fontScale).toEqual(3); }); it('should set screen dimensions on iOS', () => { Platform.OS = 'ios'; const dimensions = { width: 400, height: 800, scale: 2, fontScale: 3, }; Dimensions.set({ windowPhysicalPixels: dimensions, }); expect(Dimensions.get('screen')).toEqual(Dimensions.get('window')); }); });