diff --git a/core-decorators/core-decorators-tests.ts b/core-decorators/core-decorators-tests.ts
index 7ec80d2f3c..e4a31432ba 100644
--- a/core-decorators/core-decorators-tests.ts
+++ b/core-decorators/core-decorators-tests.ts
@@ -1,169 +1,169 @@
-///// <reference path="core-decorators.d.ts" />
+/// <reference path="core-decorators.d.ts" />
+
 //
-////
-//// @autobind
-////
+// @autobind
 //
-//import { autobind } from 'core-decorators';
+
+import { autobind } from 'core-decorators';
+
+class Person {
+    @autobind
+    getPerson() {
+        return this;
+    }
+}
+
+let person = new Person();
+let getPerson = person.getPerson;
+
+getPerson() === person;
+
 //
-//class Person {
-//    @autobind
-//    getPerson() {
-//        return this;
-//    }
-//}
+// @readonly
 //
-//let person = new Person();
-//let getPerson = person.getPerson;
+
+import { readonly } from 'core-decorators';
+
+class Meal {
+    @readonly
+    entree: string = 'steak';
+}
+
+var dinner = new Meal();
+dinner.entree = 'salmon';
+
 //
-//getPerson() === person;
+// @override
 //
-////
-//// @readonly
-////
+
+import { override } from 'core-decorators';
+
+class Parent {
+    speak(first: string, second: string) {}
+}
+
+class Child extends Parent {
+    @override
+    speak() {}
+    // SyntaxError: Child#speak() does not properly override Parent#speak(first, second)
+}
+
+// or
+
+class Child2 extends Parent {
+    @override
+    speaks() {}
+    // SyntaxError: No descriptor matching Child#speaks() was found on the prototype chain.
+    //
+    //   Did you mean "speak"?
+}
+
 //
-//import { readonly } from 'core-decorators';
+// @deprecate (alias: @deprecated)
 //
-//class Meal {
-//    @readonly
-//    entree: string = 'steak';
-//}
+
+import { deprecate, deprecated } from 'core-decorators';
+
+class Person2 {
+    @deprecate
+    facepalm() {}
+
+    @deprecate('We stopped facepalming')
+    facepalmHard() {}
+
+    @deprecate('We stopped facepalming', { url: 'http://knowyourmeme.com/memes/facepalm' })
+    facepalmHarder() {}
+}
+
+let person2 = new Person2();
+
+person2.facepalm();
+// DEPRECATION Person#facepalm: This function will be removed in future versions.
+
+person2.facepalmHard();
+// DEPRECATION Person#facepalmHard: We stopped facepalming
+
+person2.facepalmHarder();
+// DEPRECATION Person#facepalmHarder: We stopped facepalming
 //
-//var dinner = new Meal();
-//dinner.entree = 'salmon';
+//     See http://knowyourmeme.com/memes/facepalm for more details.
 //
-////
-//// @override
-////
+
 //
-//import { override } from 'core-decorators';
+// @debounce
 //
-//class Parent {
-//    speak(first: string, second: string) {}
-//}
+
+import { debounce } from 'core-decorators';
+
+class Editor {
+
+    content = '';
+
+    @debounce(500)
+    updateContent(content: string) {
+        this.content = content;
+    }
+}
+
 //
-//class Child extends Parent {
-//    @override
-//    speak() {}
-//    // SyntaxError: Child#speak() does not properly override Parent#speak(first, second)
-//}
+// @suppressWarnings
 //
-//// or
+
+import { suppressWarnings } from 'core-decorators';
+
+class Person3 {
+    @deprecated
+    facepalm() {}
+
+    @suppressWarnings
+    facepalmWithoutWarning() {
+        this.facepalm();
+    }
+}
+
+let person3 = new Person3();
+
+person3.facepalmWithoutWarning();
+// no warning is logged
+
 //
-//class Child2 extends Parent {
-//    @override
-//    speaks() {}
-//    // SyntaxError: No descriptor matching Child#speaks() was found on the prototype chain.
-//    //
-//    //   Did you mean "speak"?
-//}
+// @nonenumerable
 //
-////
-//// @deprecate (alias: @deprecated)
-////
-//
-//import { deprecate, deprecated } from 'core-decorators';
-//
-//class Person2 {
-//    @deprecate
-//    facepalm() {}
-//
-//    @deprecate('We stopped facepalming')
-//    facepalmHard() {}
-//
-//    @deprecate('We stopped facepalming', { url: 'http://knowyourmeme.com/memes/facepalm' })
-//    facepalmHarder() {}
-//}
-//
-//let person2 = new Person2();
-//
-//person2.facepalm();
-//// DEPRECATION Person#facepalm: This function will be removed in future versions.
-//
-//person2.facepalmHard();
-//// DEPRECATION Person#facepalmHard: We stopped facepalming
-//
-//person2.facepalmHarder();
-//// DEPRECATION Person#facepalmHarder: We stopped facepalming
-////
-////     See http://knowyourmeme.com/memes/facepalm for more details.
-////
-//
-////
-//// @debounce
-////
-//
-//import { debounce } from 'core-decorators';
-//
-//class Editor {
-//
-//    content = '';
-//
-//    @debounce(500)
-//    updateContent(content: string) {
-//        this.content = content;
-//    }
-//}
-//
-////
-//// @suppressWarnings
-////
-//
-//import { suppressWarnings } from 'core-decorators';
-//
-//class Person3 {
-//    @deprecated
-//    facepalm() {}
-//
-//    @suppressWarnings
-//    facepalmWithoutWarning() {
-//        this.facepalm();
-//    }
-//}
-//
-//let person3 = new Person3();
-//
-//person3.facepalmWithoutWarning();
-//// no warning is logged
-//
-////
-//// @nonenumerable
-////
-//
-//import { nonenumerable } from 'core-decorators';
-//
-//class Meal2 {
-//    entree = 'steak';
-//
-//    @nonenumerable
-//    cost: number = 4.44;
-//}
-//
-//var dinner2 = new Meal2();
-//for (var key in dinner2) {
-//    key;
-//    // "entree" only, not "cost"
-//}
-//
-//Object.keys(dinner2);
-//// ["entree"]
-//
-////
-//// @nonconfigurable
-////
-//
-//import { nonconfigurable } from 'core-decorators';
-//
-//class Meal3 {
-//    @nonconfigurable
-//    entree: string = 'steak';
-//}
-//
-//var dinner3 = new Meal3();
-//
-//Object.defineProperty(dinner3, 'entree', {
-//    enumerable: false
-//});
-//// Cannot redefine property: entree
+
+import { nonenumerable } from 'core-decorators';
+
+class Meal2 {
+    entree = 'steak';
+
+    @nonenumerable
+    cost: number = 4.44;
+}
+
+var dinner2 = new Meal2();
+for (var key in dinner2) {
+    key;
+    // "entree" only, not "cost"
+}
+
+Object.keys(dinner2);
+// ["entree"]
+
 //
+// @nonconfigurable
 //
+
+import { nonconfigurable } from 'core-decorators';
+
+class Meal3 {
+    @nonconfigurable
+    entree: string = 'steak';
+}
+
+var dinner3 = new Meal3();
+
+Object.defineProperty(dinner3, 'entree', {
+    enumerable: false
+});
+// Cannot redefine property: entree
+
+
diff --git a/core-decorators/core-decorators-tests.ts.tscparams b/core-decorators/core-decorators-tests.ts.tscparams
new file mode 100644
index 0000000000..3f0863ac67
--- /dev/null
+++ b/core-decorators/core-decorators-tests.ts.tscparams
@@ -0,0 +1 @@
+--experimentalDecorators --noImplicitAny --target ES5