@qntm-code/utils/dist/mjs/type-predicates/isEqual.spec.js

A collection of useful utility functions with associated TypeScript types. All functions have been unit tested.

import { isEqual } from './isEqual';
import { isEqualTests } from './isEqualTestDefinitions.spec';
describe('isEqual', () => {
    describe('types', () => {
        // eslint-disable-next-line @typescript-eslint/no-empty-function
        const types = [undefined, null, true, 1, '', new Date(), {}, Symbol(), () => { }];
        it(`Should return true if the types are the same`, () => {
            types.forEach(type => {
                expect(isEqual(type, type)).toBeTrue();
            });
        });
        it(`Should return false if the types aren't the same`, () => {
            types.forEach((aType, aIndex) => types.forEach((bType, bIndex) => {
                if (aIndex !== bIndex) {
                    if (isEqual(aType, bType)) {
                        console.log(aType, bType);
                    }
                    expect(isEqual(aType, bType)).toBeFalse();
                }
            }));
        });
    });
    for (const suite of isEqualTests) {
        describe(suite.description, () => {
            for (const test of suite.tests) {
                if (test.only) {
                    fit(test.description, () => expect(isEqual(test.a, test.b)).toBe(test.expected));
                }
                else {
                    it(test.description, () => expect(isEqual(test.a, test.b)).toBe(test.expected));
                }
            }
        });
    }
});