react-native-macos/Libraries/Utilities/__tests__/clamp-test.js

33 строки
883 B
JavaScript

/**
* 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('clamp', () => {
const clamp = require('../clamp');
it('should return the value if the value does not exceed boundaries', () => {
expect(clamp(0, 5, 10)).toEqual(5);
expect(clamp(5, 5, 10)).toEqual(5);
expect(clamp(0, 5, 5)).toEqual(5);
expect(clamp(5, 5, 5)).toEqual(5);
});
it('should return the min value if the value is too low', () => {
expect(clamp(10, 5, 20)).toEqual(10);
expect(clamp(10, 9, 20)).toEqual(10);
});
it('should return the max value if the value is too high', () => {
expect(clamp(10, 25, 20)).toEqual(20);
expect(clamp(10, 21, 20)).toEqual(20);
});
});