[es6] Partially implement Reflect.setPrototypeOf.

test/mjsunit/harmony/reflect-set-prototype-of.js

Index: test/mjsunit/harmony/reflect-set-prototype-of.js
diff --git a/test/mjsunit/harmony/set-prototype-of.js b/test/mjsunit/harmony/reflect-set-prototype-of.js
similarity index 87%
copy from test/mjsunit/harmony/set-prototype-of.js
copy to test/mjsunit/harmony/reflect-set-prototype-of.js
index e92a0c37bc3de9eb3b4750b0474581319061304e..95b05aacd9054080a183e6d4f3aed98592a77313 100644
--- a/test/mjsunit/harmony/set-prototype-of.js
+++ b/test/mjsunit/harmony/reflect-set-prototype-of.js
@@ -1,4 +1,4 @@
-// Copyright 2014 the V8 project authors. All rights reserved.
+// Copyright 2014-2015 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -25,6 +25,11 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+// This is adapted from mjsunit/harmony/set-prototype-of.js.
+
+// Flags: --harmony-reflect
+
+
 
 function getObjects() {
   function func() {}
@@ -65,7 +70,7 @@ function TestSetPrototypeOfCoercibleValues() {
   for (var i = 0; i < coercibleValues.length; i++) {
     var value = coercibleValues[i];
     var proto = Object.getPrototypeOf(value);
-    assertEquals(Object.setPrototypeOf(value, {}), value);
+    assertThrows(function() { Reflect.setPrototypeOf(value, {}) }, TypeError);
     assertSame(proto, Object.getPrototypeOf(value));
   }
 }
@@ -76,7 +81,7 @@ function TestSetPrototypeOfNonCoercibleValues() {
   for (var i = 0; i < nonCoercibleValues.length; i++) {
     var value = nonCoercibleValues[i];
     assertThrows(function() {
-      Object.setPrototypeOf(value, {});
+      Reflect.setPrototypeOf(value, {});
     }, TypeError);
   }
 }
@@ -90,7 +95,7 @@ function TestSetPrototypeToNonObject(proto) {
     for (var j = 0; j < valuesWithoutNull.length; j++) {
       var proto = valuesWithoutNull[j];
       assertThrows(function() {
-        Object.setPrototypeOf(object, proto);
+        Reflect.setPrototypeOf(object, proto);
       }, TypeError);
     }
   }
@@ -99,7 +104,7 @@ TestSetPrototypeToNonObject();
 
 
 function TestSetPrototypeOf(object, proto) {
-  assertEquals(Object.setPrototypeOf(object, proto), object);
+  assertTrue(Reflect.setPrototypeOf(object, proto));
   assertEquals(Object.getPrototypeOf(object), proto);
 }
 
@@ -131,9 +136,7 @@ function TestSetPrototypeOfNonExtensibleObject() {
   for (var i = 0; i < objects.length; i++) {
     var object = objects[i];
     Object.preventExtensions(object);
-    assertThrows(function() {
-      Object.setPrototypeOf(object, proto);
-    }, TypeError);
+    assertFalse(Reflect.setPrototypeOf(object, proto));
   }
 }
 TestSetPrototypeOfNonExtensibleObject();
@@ -149,9 +152,7 @@ function TestSetPrototypeCyclic() {
   for (var i = 0; i < objects.length; i += 2) {
     var object = objects[i];
     var value = objects[i + 1];
-    assertThrows(function() {
-      Object.setPrototypeOf(object, value);
-    }, TypeError);
+    assertFalse(Reflect.setPrototypeOf(object, value));
   }
 }
 TestSetPrototypeCyclic();
@@ -166,14 +167,14 @@ function TestLookup() {
     x: 'old x',
     y: 'old y'
   };
-  Object.setPrototypeOf(object, oldProto);
+  assertTrue(Reflect.setPrototypeOf(object, oldProto));
   assertEquals(object.x, 'old x');
   assertEquals(object.y, 'old y');
 
   var newProto = {
     x: 'new x'
   };
-  Object.setPrototypeOf(object, newProto);
+  assertTrue(Reflect.setPrototypeOf(object, newProto));
   assertEquals(object.x, 'new x');
   assertFalse('y' in object);
 }