sexp-template/test/evaluatorTest.js

const test = require('tape')
const helpers = require('./helpers')

const AST = require('../src/ast')
const Evaluator = require('../src/evaluator')

test('applies functions from core library', t => {
  t.plan(1)

  const tree = helpers.evaluate('(+ 1 2)')

  t.deepEqual(tree[0], new AST.Number({ value: 3 }))
})

test('applies lambda functions', t => {
  t.plan(1)

  const tree = helpers.evaluate('((lambda (x y) (+ x y)) 1 2)')

  t.deepEqual(tree[0], new AST.Number({ value: 3 }))
})