'use strict'; const test = require('./build/Release/test.node'); const arrayArgMsg = 'Argument 0 must be of type `Array`'; describe('addon-tools.hpp: LET_ARRAY_ARG', () => { it('exports letArrayStrArg', () => { expect(typeof test.letArrayStrArg).toBe('function'); }); it('throws if arg was passed a string', () => { expect(() => test.letArrayStrArg('1')).toThrow(arrayArgMsg); }); it('throws if arg was passed a number', () => { expect(() => test.letArrayStrArg(1)).toThrow(arrayArgMsg); }); it('throws if arg was passed a boolean', () => { expect(() => test.letArrayStrArg(true)).toThrow(arrayArgMsg); }); it('throws if arg was passed a pointer', () => { expect(() => test.letArrayStrArg(test.retExt())).toThrow(arrayArgMsg); }); it('throws if arg was passed an object', () => { expect(() => test.letArrayStrArg({})).toThrow(arrayArgMsg); }); it('accepts an empty arg', () => { expect(Array.isArray(test.letArrayStrArg())).toBe(true); }); it('accepts undefined', () => { expect(Array.isArray(test.letArrayStrArg(undefined))).toBe(true); }); it('accepts null', () => { expect(Array.isArray(test.letArrayStrArg(null))).toBe(true); }); it('accepts an array', () => { expect(Array.isArray(test.letArrayStrArg([]))).toBe(true); }); it('returns same array', () => { expect(test.letArrayStrArg(['a', 'b'])).toEqual(['a', 'b']); }); });