LispInSmallPieces/test/test_reader.coffee

35 lines
863 B
CoffeeScript

chai = require 'chai'
chai.should()
expect = chai.expect
{cons, nil, nilp} = require "cons-lists/lists"
{read, readForms} = require '../chapter1/reader'
{normalizeForm} = require '../chapter1/astToList'
describe "Core reader functions", ->
samples = [
['nil', nil]
['0', 0]
['1', 1]
['500', 500]
['0xdeadbeef', 3735928559]
['"Foo"', 'Foo']
['(1)', cons(1)]
['(1 2)', cons(1, (cons 2))]
['(1 2 )', cons(1, (cons 2))]
['( 1 2 )', cons(1, (cons 2))]
['( 1 2 )', cons(1, (cons 2))]
['("a" "b")', cons("a", (cons "b"))]
['("a" . "b")', cons("a", "b")]
['[]', []]
['{}', {}]
['[1 2 3]', [1, 2, 3]]
['{foo "bar"}', {foo: "bar"}]
]
for [t, v] in samples
do (t, v) ->
it "should interpret #{t} as #{v}", ->
res = normalizeForm read t
expect(res).to.deep.equal(v)