diff --git a/lru-cache/lru-cache-tests.ts b/lru-cache/lru-cache-tests.ts
new file mode 100644
index 000000000..9121ca791
--- /dev/null
+++ b/lru-cache/lru-cache-tests.ts
@@ -0,0 +1,56 @@
+/// <reference path="lru-cache.d.ts" />
+
+import lru = require('lru-cache');
+
+var x: any;
+var num: number;
+var bool: boolean;
+var key: string;
+var strArr: string[];
+
+interface Foo {
+	foo(): void;
+}
+
+var foo: Foo;
+var fooArr: Foo[];
+
+var opts: lru.Options<any>;
+opts = {
+	max: num,
+	maxAge: num,
+	stale: bool
+};
+var cache: lru.Cache<Foo> = lru<Foo>({
+	max: num,
+	maxAge: num,
+	length: (value: Foo) => {
+		return num
+	},
+	dispose: (key: string, value: Foo) => {
+
+	},
+	stale: bool
+});
+
+cache = lru<Foo>(num);
+
+cache.set(key, foo);
+foo = cache.get(key);
+foo = cache.peek(key);
+bool = cache.has(key);
+cache.del(key);
+cache.reset();
+
+cache.forEach((value: Foo, key: string, cache: lru.Cache<Foo>) => {
+
+});
+cache.forEach((value: Foo, key: string, cache: lru.Cache<Foo>) => {
+
+}, x);
+cache.forEach((value, key, cache) => {
+	foo = cache.peek(key);
+});
+
+strArr = cache.keys();
+fooArr  = cache.values();
diff --git a/lru-cache/lru-cache.d.ts b/lru-cache/lru-cache.d.ts
new file mode 100644
index 000000000..ae028a553
--- /dev/null
+++ b/lru-cache/lru-cache.d.ts
@@ -0,0 +1,34 @@
+// Type definitions for lru-cache v2.5.0
+// Project: https://github.com/isaacs/node-lru-cache
+// Definitions by: Bart van der Schoor <https://github.com/Bartvds>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module 'lru-cache' {
+	function LRU<T>(opts: LRU.Options<T>): LRU.Cache<T>;
+	function LRU<T>(max: number): LRU.Cache<T>;
+
+	module LRU {
+		interface Options<T> {
+			max?: number;
+			maxAge?: number;
+			length?: (value: T) => number;
+			dispose?: (key: string, value: T) => void;
+			stale?: boolean;
+		}
+
+		interface Cache<T> {
+			set(key: string, value: T): void;
+			get(key: string): T;
+			peek(key: string): T;
+			has(key: string): boolean
+			del(key: string): void;
+			reset(): void;
+			forEach(iter: (value: T, key: string, cache: Cache<T>) => void, thisp?: any): void;
+
+			keys(): string[];
+			values(): T[];
+		}
+	}
+
+	export = LRU;
+}