wsemi/test/arrInsert.test.mjs

A support package for web developer.

import assert from 'assert'
import arrInsert from '../src/arrInsert.mjs'


describe(`arrInsert`, function() {

    it(`should return ['abc'] when input [], 0, 'abc'`, function() {
        let r = arrInsert([], 0, 'abc')
        let rr = ['abc']
        assert.strict.deepStrictEqual(r, rr)
    })

    it(`should return ['abc', 1, 2.5, '123'] when input [1, 2.5, '123'], 0, 'abc'`, function() {
        let r = arrInsert([1, 2.5, '123'], 0, 'abc')
        let rr = ['abc', 1, 2.5, '123']
        assert.strict.deepStrictEqual(r, rr)
    })

    it(`should return [1, 'abc', 2.5, '123'] when input [1, 2.5, '123'], 1, 'abc'`, function() {
        let r = arrInsert([1, 2.5, '123'], 1, 'abc')
        let rr = [1, 'abc', 2.5, '123']
        assert.strict.deepStrictEqual(r, rr)
    })

    it(`should return [1, 2.5, '123', 'abc'] when input [1, 2.5, '123'], 3, 'abc'`, function() {
        let r = arrInsert([1, 2.5, '123'], 3, 'abc')
        let rr = [1, 2.5, '123', 'abc']
        assert.strict.deepStrictEqual(r, rr)
    })

    it(`should return [ 1, 2.5, '123' ] when input [1, 2.5, '123'], 4, 'abc'`, function() {
        let r = arrInsert([1, 2.5, '123'], 4, 'abc')
        let rr = [1, 2.5, '123']
        assert.strict.deepStrictEqual(r, rr)
    })

    it(`should return [1, null, 2.5, '123'] when input [1, 2.5, '123'], 1, null`, function() {
        let r = arrInsert([1, 2.5, '123'], 1, null)
        let rr = [1, null, 2.5, '123']
        assert.strict.deepStrictEqual(r, rr)
    })

    it(`should return [ 1, 'abc', null, 'xyz', 2.5, '123' ] when input [1, 2.5, '123'], 1, ['abc', null, 'xyz']`, function() {
        let r = arrInsert([1, 2.5, '123'], 1, ['abc', null, 'xyz'])
        let rr = [1, 'abc', null, 'xyz', 2.5, '123']
        assert.strict.deepStrictEqual(r, rr)
    })

})