diff --git a/jssha/jssha-tests.ts b/jssha/jssha-tests.ts
index def07a2d2f..f6e0f96b48 100644
--- a/jssha/jssha-tests.ts
+++ b/jssha/jssha-tests.ts
@@ -1,30 +1,29 @@
 /// <reference path="jssha.d.ts" />
 /// <reference path="../node/node.d.ts" />
 
-var imported = require("jssha");
+import imported = require("jssha");
 
 // constructor
-let shaObj1:jsSHA.jsSHA = imported("SHA-256", "HEX");
-let shaObj2:jsSHA.jsSHA = new jsSHA("SHA-512", "TEXT");
-let shaObj3:jsSHA.jsSHA = new jsSHA("SHA-512", "TEXT", { });
-let shaObj4:jsSHA.jsSHA = new jsSHA("SHA-512", "TEXT", { encoding: "UTF" });
-let shaObj5:jsSHA.jsSHA = new jsSHA("SHA-512", "TEXT", { numRounds: 1 });
-let shaObj6:jsSHA.jsSHA = new jsSHA("SHA-512", "TEXT", { encoding: "UTF", numRounds: 1 });
+let shaObj1:jsSHA.jsSHA = new imported("SHA-512", "TEXT");
+let shaObj2:jsSHA.jsSHA = new imported("SHA-512", "TEXT", { });
+let shaObj3:jsSHA.jsSHA = new imported("SHA-512", "TEXT", { encoding: "UTF8" });
+let shaObj4:jsSHA.jsSHA = new imported("SHA-512", "TEXT", { numRounds: 1 });
+let shaObj5:jsSHA.jsSHA = new imported("SHA-512", "TEXT", { encoding: "UTF8", numRounds: 1 });
 
 // setHMACKey
 shaObj1.setHMACKey("key", "TEXT");
-shaObj1.setHMACKey("key", "TEXT", { });
-shaObj1.setHMACKey("key", "TEXT", { encoding: "UTF" });
+shaObj2.setHMACKey("key", "TEXT", { });
+shaObj3.setHMACKey("key", "TEXT", { encoding: "UTF8" });
 
 // update
 shaObj1.update("This is a test");
 
 // getHash
-let hash1:string = shaObj1.getHash("HEX");
-let hash2:string = shaObj1.getHash("HEX", {});
-let hash3:string = shaObj1.getHash("HEX", { b64Pad: "=" });
-let hash4:string = shaObj1.getHash("HEX", { outputUpper: true });
-let hash5:string = shaObj1.getHash("HEX", { outputUpper: true, b64Pad: '=' });
+let hash1:string = shaObj4.getHash("HEX");
+let hash2:string = shaObj4.getHash("HEX", {});
+let hash3:string = shaObj4.getHash("HEX", { b64Pad: "=" });
+let hash4:string = shaObj4.getHash("HEX", { outputUpper: true });
+let hash5:string = shaObj4.getHash("HEX", { outputUpper: true, b64Pad: '=' });
 
 // getHMAC
 let hmac1:string = shaObj1.getHMAC("HEX");
@@ -36,14 +35,14 @@ let hmac5:string = shaObj1.getHMAC("HEX", { outputUpper: true, b64Pad: '=' });
 
 // examples from the readme.md (https://github.com/Caligatio/jsSHA/blob/v2.0.2/README.md)
 {
-	var shaObj = new jsSHA("SHA-512", "TEXT");
+	var shaObj = new imported("SHA-512", "TEXT");
 	shaObj.update("This is a test");
 	var hash = shaObj.getHash("HEX");
 }
 
 
 {
-	let shaObj = new jsSHA("SHA-256", "TEXT");
+	let shaObj = new imported("SHA-256", "TEXT");
 	shaObj.setHMACKey("abc", "TEXT");
 	shaObj.update("This is a test");
 	let hmac = shaObj.getHMAC("HEX");