mathsteps/test/checks/resolvesToConstant.test.js

Step by step math solutions

const checks = require('../../lib/checks');

const TestUtil = require('../TestUtil');

function testResolvesToConstant(exprString, resolves) {
  TestUtil.testBooleanFunction(checks.resolvesToConstant, exprString, resolves);
}

describe('resolvesToConstant', function () {
  const tests = [
    ['(2+2)', true],
    ['10', true],
    ['((2^2 + 4)) * 7 / 8', true],
    ['2 * 3^x', false],
    ['-(2) * -3', true],
  ];
  tests.forEach(t => testResolvesToConstant(t[0], t[1]));
});