rc-js-util/src/dictionary/impl/dictionary-for-each.spec.ts

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

import { dictionaryForEach } from "./dictionary-foreach.js";
import { Test_setDefaultFlags } from "../../test-util/test_set-default-flags.js";

describe("=> dictionaryForEach", () =>
{
    beforeEach(() =>
    {
        Test_setDefaultFlags();
    });

    const values = { a: 1, b: 2, c: 3 };

    it("| calls the callback with the correct parameters", () =>
    {
        const spy = jasmine.createSpy();
        spy.and.returnValue(null);
        dictionaryForEach(values, spy);
        expect(spy.calls.count()).toBe(3);
        expect(spy.calls.argsFor(0)).toEqual([1, "a", values]);
        expect(spy.calls.argsFor(1)).toEqual([2, "b", values]);
        expect(spy.calls.argsFor(2)).toEqual([3, "c", values]);
    });
});