update classes tests to work with new _extends method

test/fixtures/transformation/es6-classes/accessing-super-class/expected.js

@@ -2,7 +2,7 @@
 
 var _slice = Array.prototype.slice;
 var _extends = function (child, parent) {
-  child.prototype = Object.create(parent.prototype, {
+  child.prototype = Object.create(parent && parent.prototype, {
     constructor: {
       value: child,
       enumerable: false,
@@ -10,7 +10,7 @@ var _extends = function (child, parent) {
       configurable: true
     }
   });
-  child.__proto__ = parent;
+  if (parent) child.__proto__ = parent;
 };
 
 var Test = function Test() {

test/fixtures/transformation/es6-classes/accessing-super-properties/expected.js

@@ -1,7 +1,7 @@
 "use strict";
 
 var _extends = function (child, parent) {
-  child.prototype = Object.create(parent.prototype, {
+  child.prototype = Object.create(parent && parent.prototype, {
     constructor: {
       value: child,
       enumerable: false,
@@ -9,7 +9,7 @@ var _extends = function (child, parent) {
       configurable: true
     }
   });
-  child.__proto__ = parent;
+  if (parent) child.__proto__ = parent;
 };
 
 var Test = function Test() {

test/fixtures/transformation/es6-classes/calling-super-properties/expected.js

@@ -1,7 +1,7 @@
 "use strict";
 
 var _extends = function (child, parent) {
-  child.prototype = Object.create(parent.prototype, {
+  child.prototype = Object.create(parent && parent.prototype, {
     constructor: {
       value: child,
       enumerable: false,
@@ -9,7 +9,7 @@ var _extends = function (child, parent) {
       configurable: true
     }
   });
-  child.__proto__ = parent;
+  if (parent) child.__proto__ = parent;
 };
 
 var Test = function Test() {

test/fixtures/transformation/es6-classes/constructor/expected.js

@@ -1,7 +1,7 @@
 "use strict";
 
 var _extends = function (child, parent) {
-  child.prototype = Object.create(parent.prototype, {
+  child.prototype = Object.create(parent && parent.prototype, {
     constructor: {
       value: child,
       enumerable: false,
@@ -9,7 +9,7 @@ var _extends = function (child, parent) {
       configurable: true
     }
   });
-  child.__proto__ = parent;
+  if (parent) child.__proto__ = parent;
 };
 
 var Test = function Test() {

test/fixtures/transformation/es6-classes/super-class-id-member-expression/expected.js

@@ -1,7 +1,7 @@
 "use strict";
 
 var _extends = function (child, parent) {
-  child.prototype = Object.create(parent.prototype, {
+  child.prototype = Object.create(parent && parent.prototype, {
     constructor: {
       value: child,
       enumerable: false,
@@ -9,7 +9,7 @@ var _extends = function (child, parent) {
       configurable: true
     }
   });
-  child.__proto__ = parent;
+  if (parent) child.__proto__ = parent;
 };
 
 var BaseController = function BaseController() {

test/fixtures/transformation/es6-classes/super-class-id-non-identifiers/expected.js

@@ -1,7 +1,7 @@
 "use strict";
 
 var _extends = function (child, parent) {
-  child.prototype = Object.create(parent.prototype, {
+  child.prototype = Object.create(parent && parent.prototype, {
     constructor: {
       value: child,
       enumerable: false,
@@ -9,7 +9,7 @@ var _extends = function (child, parent) {
       configurable: true
     }
   });
-  child.__proto__ = parent;
+  if (parent) child.__proto__ = parent;
 };
 
 var _QSuper = function () {};

test/fixtures/transformation/es6-classes/super-class/expected.js

@@ -1,7 +1,7 @@
 "use strict";
 
 var _extends = function (child, parent) {
-  child.prototype = Object.create(parent.prototype, {
+  child.prototype = Object.create(parent && parent.prototype, {
     constructor: {
       value: child,
       enumerable: false,
@@ -9,7 +9,7 @@ var _extends = function (child, parent) {
       configurable: true
     }
   });
-  child.__proto__ = parent;
+  if (parent) child.__proto__ = parent;
 };
 
 var Test = function Test() {