var assert = require('assert'), math = require('../../../index'), Chain = math.chaining.Chain; describe('chain', function() { it ('should construct a chain', function () { assert.ok(math.chain(45) instanceof Chain); assert.ok(math.chain(math.complex(2, 3)) instanceof Chain); assert.ok(math.chain() instanceof Chain); }); it ('deprecated select function should still be functional', function () { assert.ok(math.select(45) instanceof Chain); assert.ok(math.select(math.complex(2,3)) instanceof Chain); assert.ok(math.select() instanceof Chain); assert.strictEqual(math.chaining.Selector, math.chaining.Chain); }); });