ts-prime/dist/es/drop.test.js

A utility library for JavaScript and Typescript.

import { pipe } from './pipe';
import { drop } from './drop';
import { createCounter } from './_counter';
import { take } from './take';
var array = [1, 2, 3, 4, 5];
var expected = [3, 4, 5];
describe('data first', function () {
    test('should drop last', function () {
        expect(drop(array, 2)).toEqual(expected);
    });
});
describe('data last', function () {
    test('drop', function () {
        var result = pipe(array, drop(2));
        expect(result).toEqual(expected);
    });
    test('drop with take', function () {
        var counter = createCounter();
        var result = pipe(array, counter.fn(), drop(2), take(2));
        expect(counter.count).toHaveBeenCalledTimes(4);
        expect(result).toEqual([3, 4]);
    });
});