functionalscript/types/string/test.f.js

FunctionalScript is a purely functional subset of JavaScript

import { join, concat, repeat, cmp } from "./module.f.js";
import { repeat as repeatList } from "../list/module.f.js";
export default {
    example: () => {
        const words = ['hello', 'world'];
        if (join(' ')(words) !== 'hello world') {
            throw 0;
        }
        if (concat(words) !== 'helloworld') {
            throw 1;
        }
        if (repeat('abc')(3) !== 'abcabcabc') {
            throw 2;
        }
        if (cmp('apple')('banana') !== -1) {
            throw 3;
        }
    },
    join: {
        0: () => {
            const result = join('/')([]);
            if (result !== '') {
                throw result;
            }
        },
        1: () => {
            const result = join('/')(['']);
            if (result !== '') {
                throw result;
            }
        },
        3: () => {
            const result = join(' ')(['hello', 'world', '!']);
            if (result !== 'hello world !') {
                throw result;
            }
        }
    },
    concat: () => {
        const result = concat(['hello', 'world']);
        if (result !== 'helloworld') {
            throw result;
        }
    },
    repeatList: {
        0: () => {
            const s = join('.')(repeatList('x')(0));
            if (s != '') {
                throw s;
            }
        },
        5: () => {
            const s = join('.')(repeatList('x')(5));
            if (s != 'x.x.x.x.x') {
                throw s;
            }
        }
    },
    repeat: () => {
        const s = repeat('x')(5);
        if (s != 'xxxxx') {
            throw s;
        }
    },
    cmp: () => {
        const result = cmp('3')('4');
        if (result !== -1) {
            throw result;
        }
    }
};