From e14ff21d76fa256fc7d8e4f545296bf3c3c8f28d Mon Sep 17 00:00:00 2001
From: Wyatt Preul <wpreul@gmail.com>
Date: Thu, 7 Feb 2013 16:44:51 -0600
Subject: [PATCH] Adding basic function support

---
 lib/types/function.js  | 44 ++++++++++++++++++++++++++++++++++++++++++
 test/types/function.js | 43 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 87 insertions(+)
 create mode 100644 lib/types/function.js
 create mode 100644 test/types/function.js

diff --git a/lib/types/function.js b/lib/types/function.js
new file mode 100644
index 000000000..f0b9e6a53
--- /dev/null
+++ b/lib/types/function.js
@@ -0,0 +1,44 @@
+// Load modules
+
+var NodeUtil = require('util');
+var BaseType = require('./base');
+var Utils = require('../utils');
+
+
+// Declare internals
+
+var internals = {};
+
+
+module.exports = internals.createType = function () {
+
+    return new internals.FunctionType();
+};
+
+
+module.exports.FunctionType = internals.FunctionType = function () {
+
+    internals.FunctionType.super_.call(this);
+    Utils.mixin(this, BaseType);
+    return this;
+};
+
+NodeUtil.inherits(internals.FunctionType, BaseType);
+
+
+internals.FunctionType.prototype.__name = "Function";
+
+
+internals.FunctionType.prototype._base = function() {
+
+    return function(value) {
+
+        return (value === null || typeof value === "function");
+    };
+};
+
+internals.FunctionType.prototype.base = function () {
+
+    this.add('base', this._base(), arguments);
+    return this;
+};
\ No newline at end of file
diff --git a/test/types/function.js b/test/types/function.js
new file mode 100644
index 000000000..32ca125ef
--- /dev/null
+++ b/test/types/function.js
@@ -0,0 +1,43 @@
+// Load modules
+
+var Chai = require('chai');
+var Joi = process.env.TEST_COV ? require('../../lib-cov') : require('../../lib');
+var FunctionType = process.env.TEST_COV ? require('../../lib-cov/types/function') : require('../../lib/types/function');
+var Support = require('../support/meta');
+
+
+// Declare internals
+
+var internals = {};
+
+
+// Test shortcuts
+
+var expect = Chai.expect;
+var verifyBehavior = Support.verifyValidatorBehavior;
+
+
+describe('Types', function () {
+
+    describe('Function', function () {
+
+        var F = FunctionType; // Joi.types.Function;
+
+        it('should have mixins', function (done) {
+
+            var result = F();
+            expect(result.validate).to.exist;
+            done();
+        });
+
+        it('should validate a function', function (done) {
+
+            var t = F().required();
+            verifyBehavior(t, [
+                [function(){ }, true],
+                ['', false]
+            ], done);
+        });
+    });
+});
+