diff --git a/mocha/mocha-tests.ts b/mocha/mocha-tests.ts
new file mode 100644
index 000000000..53c8e5720
--- /dev/null
+++ b/mocha/mocha-tests.ts
@@ -0,0 +1,52 @@
+/// <reference path="mocha.d.ts" />
+
+function test_describe() {
+    describe('something', () => { });
+
+    describe.only('something', () => { });
+
+    describe.skip('something', () => { });
+
+    describe('something', function() {
+        this.timeout(2000);
+    });
+}
+
+function test_it() {
+
+    it('does something', () => { });
+
+    it('does something', (done) => { done(); });
+
+    it.only('does something', () => { });
+
+    it.skip('does something', () => { });
+
+    it('does something', function () {
+        this.timeout(2000);
+    });
+}
+
+function test_before() {
+    before(() => { });
+
+    before((done) => { done(); });
+}
+
+function test_after() {
+    after(() => { });
+
+    after((done) => { done(); });
+}
+
+function test_beforeEach() {
+    beforeEach(() => { });
+
+    beforeEach((done) => { done(); });
+}
+
+function test_afterEach() {
+    afterEach(() => { });
+
+    afterEach((done) => { done(); });
+}
\ No newline at end of file
diff --git a/mocha/mocha.d.ts b/mocha/mocha.d.ts
index b722277c3..93b894ed6 100644
--- a/mocha/mocha.d.ts
+++ b/mocha/mocha.d.ts
@@ -1,3 +1,8 @@
+// Type definitions for mocha 1.9.0
+// Project: http://visionmedia.github.io/mocha/
+// Definitions by: Kazi Manzur Rashid <https://github.com/kazimanzurrashid/>
+// DefinitelyTyped: https://github.com/borisyankov/DefinitelyTyped
+
 declare var describe : {
     (description: string, spec: () => void): void;
     only(description: string, spec: () => void): void;