diff --git a/aws-lambda/aws-lambda-tests.ts b/aws-lambda/aws-lambda-tests.ts
index f562b59d3d..3563000e4c 100644
--- a/aws-lambda/aws-lambda-tests.ts
+++ b/aws-lambda/aws-lambda-tests.ts
@@ -2,13 +2,13 @@
 
 import lambda = require('aws-lambda');
 
-var str: string;
-var date: Date;
-var anyObj: any;
-var num: number;
+var str: string = "any string";
+var date: Date = new Date();
+var anyObj: any = { abc: 123 };
+var num: number = 5;
 var identity: lambda.CognitoIdentity;
-var error: Error;
-var b: boolean;
+var error: Error = new Error();
+var b: boolean = true;
 var clientCtx: lambda.ClientContext;
 
 /* Context */
@@ -37,4 +37,14 @@ function callback(cb: lambda.Callback) {
     cb(null);
     cb(error);
     cb(null, anyObj);
-}
\ No newline at end of file
+}
+
+/* Compatibility functions */
+context.done();
+context.done(error);
+context.done(error, anyObj);
+context.succeed(str);
+context.succeed(anyObj);
+context.succeed(str, anyObj);
+context.fail(error);
+context.fail(str);
\ No newline at end of file
diff --git a/aws-lambda/aws-lambda.d.ts b/aws-lambda/aws-lambda.d.ts
index c9a66a3783..7b5d5ebbfa 100644
--- a/aws-lambda/aws-lambda.d.ts
+++ b/aws-lambda/aws-lambda.d.ts
@@ -23,7 +23,9 @@ declare module "aws-lambda" {
         getRemainingTimeInMillis(): number;
 
         // Functions for compatibility with earlier Node.js Runtime v0.10.42
-        log(message: string, object: any): void;
+        // For more details see http://docs.aws.amazon.com/lambda/latest/dg/nodejs-prog-model-using-old-runtime.html#nodejs-prog-model-oldruntime-context-methods
+        done(error?: Error, result?: any): void;
+        fail(error: Error): void;
         fail(message: string): void;
         succeed(message: string): void;
         succeed(object: any): void;