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var tape = require('tape')

var genfun = require('./')

tape('generate add function', function(t) {

var fn = genfun()

('function add(n) {')

('return n + %d', 42)

('}')

t.same(fn.toString(), 'function add(n) {\n return n + 42\n}', 'code is indented')

t.same(fn.toFunction()(10), 52, 'function works')

t.end()

})

tape('generate function + closed variables', function(t) {

var fn = genfun()

('function add(n) {')

('return n + %d + number', 42)

('}')

var notGood = fn.toFunction()

var good = fn.toFunction({number:10})

try {

notGood(10)

t.ok(false, 'function should not work')

} catch (err) {

t.same(err.message, 'number is not defined', 'throws reference error')

}

t.same(good(11), 63, 'function with closed var works')

t.end()

})

tape('generate property', function(t) {

var gen = genfun()

t.same(gen.property('a'), 'a')

t.same(gen.property('42'), '"42"')

t.same(gen.property('b', 'a'), 'b.a')

t.same(gen.property('b', '42'), 'b["42"]')

t.same(gen.sym(42), 'tmp')

t.same(gen.sym('a'), 'a')

t.same(gen.sym('a'), 'a1')

t.same(gen.sym(42), 'tmp1')

t.same(gen.sym('const'), 'tmp2')

t.end()

})