@alu0100953275/constant-folding/test/test.js

Constant Folding javascript code

const constantFolding = require('../src/constant-folding');
const should = require('chai').should();

const example1 = `a=2*3;`;
const example2 = `3+null;`;
const example3 = `4 | 3;`;
const example4 = `3+"c";`;
const example5 = `9 +1;`;
const example6 = `2+3*5+b;`;
const expectedOutput1 = `a = 6;`;
const expectedOutput2 = `3;`;
const expectedOutput3 = `7;`;
const expectedOutput4 = `'3c';`;
const expectedOutput5 = `10;`;
const expectedOutput6 = `17 + b;`;

describe('constantFolding tests', () => {
  it('works correctly with normal functions 1', () => {
    constantFolding(example1).should .equal(expectedOutput1);
  });
  it('works correctly with normal functions 2', () => {
    constantFolding(example2).should .equal(expectedOutput2);
  });
  it('works correctly with normal functions 3', () => {
    constantFolding(example3).should .equal(expectedOutput3);
  });
  it('works correctly with normal functions 4', () => {
    constantFolding(example4).should .equal(expectedOutput4);
  });
  it('works correctly with normal functions 5', () => {
    constantFolding(example5).should .equal(expectedOutput5);
  });
  it('works correctly with normal functions 6', () => {
    constantFolding(example6).should .equal(expectedOutput6);
  });
});