@applicaster/zapp-react-native-utils/arrayUtils/__tests__/isFilledArray.test.ts

Applicaster Zapp React Native utilities package

import { isFilledArray } from "..";

describe("isFilledArray", () => {
  it("non-empty array is not empty", () => {
    const value = [1, 2, 3];

    expect(isFilledArray(value)).toBe(true);
  });

  it("empty array is empty", () => {
    const value = [];

    expect(isFilledArray(value)).toBe(false);
  });

  it("number is not array", () => {
    const value = 123;

    expect(isFilledArray(value)).toBe(false);
  });

  it("string is not array", () => {
    const value = "vfnjdk";

    expect(isFilledArray(value)).toBe(false);
  });

  it("empty string is not array", () => {
    const value = "";

    expect(isFilledArray(value)).toBe(false);
  });

  it("NaN is not array", () => {
    const value = "";

    expect(isFilledArray(value)).toBe(false);
  });

  it("object is not array", () => {
    const value = { test: 1 };

    expect(isFilledArray(value)).toBe(false);
  });

  it("empty object is not array", () => {
    const value = {};

    expect(isFilledArray(value)).toBe(false);
  });

  it("undefined is not array", () => {
    const value = undefined;

    expect(isFilledArray(value)).toBe(false);
  });

  it("null is not array", () => {
    const value = null;

    expect(isFilledArray(value)).toBe(false);
  });
});