diff --git a/chai-as-promised/chai-as-promised-tests.ts b/chai-as-promised/chai-as-promised-tests.ts
index e69de29bb2..20a773cddb 100644
--- a/chai-as-promised/chai-as-promised-tests.ts
+++ b/chai-as-promised/chai-as-promised-tests.ts
@@ -0,0 +1,22 @@
+/// <reference path="../chai/chai.d.ts" />
+/// <reference path="chai-as-promised.d.ts" />
+
+import chai = require('chai');
+import chaiAsPromised = require('chai-as-promised');
+
+chai.use(chaiAsPromised);
+
+var promise: any;
+chai.expect(promise).to.eventually.equal(3);
+chai.expect(promise).to.become(3);
+chai.expect(promise).to.be.rejected;
+chai.expect(promise).to.be.rejectedWith(Error);
+chai.expect(promise).to.notify(() => console.log('done'));
+
+chai.assert.eventually.equal(promise, 4, 'Message');
+chai.assert.isFulfilled(promise, "optional message");
+chai.assert.becomes(promise, "foo", "optional message");
+chai.assert.doesNotBecome(promise, "foo", "optional message");
+chai.assert.isRejected(promise, "optional message");
+chai.assert.isRejected(promise, Error, "optional message");
+chai.assert.isRejected(promise, /error message matcher/, "optional message");
diff --git a/chai-as-promised/chai-as-promised.d.ts b/chai-as-promised/chai-as-promised.d.ts
index e69de29bb2..20b697bb52 100644
--- a/chai-as-promised/chai-as-promised.d.ts
+++ b/chai-as-promised/chai-as-promised.d.ts
@@ -0,0 +1,35 @@
+// Type definitions for chai-as-promised
+// Project: https://github.com/domenic/chai-as-promised/
+// Definitions by: jt000 <https://github.com/jt000>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../chai/chai.d.ts" />
+
+declare module 'chai-as-promised' {
+    import chai = require('chai');
+
+    function chaiAsPromised(chai: any, utils: any): void;
+
+    export = chaiAsPromised;
+}
+
+declare module chai {
+
+    interface LanguageChains {
+        become(expected: any): Expect;
+        eventually: Expect;
+        rejected: Expect;
+        rejectedWith(expected: any): Expect;
+        notify(fn: Function): Expect;
+    }
+
+    interface Assert {
+        eventually: Assert;
+        isFulfilled(promise: any, message?: string): void;
+        becomes(promise: any, expected: any, message?: string): void;
+        doesNotBecome(promise: any, expected: any, message?: string): void;
+        isRejected(promise: any, message?: string): void;
+        isRejected(promise: any, expected: any, message?: string): void;
+        isRejected(promise: any, match: RegExp, message?: string): void;
+    }
+}
\ No newline at end of file