var copy = require('../'); var test = require('tape'); test('array', function (t) { t.plan(2); var xs = [ 3, 4, 5, { f: 6, g: 7 } ]; var dup = copy(xs); dup.unshift(1, 2); dup[5].g += 100; t.deepEqual(xs, [ 3, 4, 5, { f: 6, g: 107 } ]); t.deepEqual(dup, [ 1, 2, 3, 4, 5, { f: 6, g: 107 } ]); });