[es6] Support optional "receiver" argument in Reflect.get.

test/mjsunit/harmony/reflect.js

Index: test/mjsunit/harmony/reflect.js
diff --git a/test/mjsunit/harmony/reflect.js b/test/mjsunit/harmony/reflect.js
index d9cd51f649d6d8c8f75b723658ade0f4f304de11..fc52c93d197c598978064b710f1e57648a44c691 100644
--- a/test/mjsunit/harmony/reflect.js
+++ b/test/mjsunit/harmony/reflect.js
@@ -53,6 +53,10 @@ function prepare(tgt) {
   tgt[sym] = "foo";
   tgt["noconf"] = 43;
   Object.defineProperty(tgt, "noconf", {configurable: false});
+  Object.defineProperty(tgt, "getter",
+    { get: function () {return this.bla}, configurable: true });
+  Object.defineProperty(tgt, "setter",
+    { set: function () {}, configurable: true });
 }
 
 
@@ -83,14 +87,43 @@ function prepare(tgt) {
 
 
 (function testReflectGetOnObject() {
+  var receiver = {bla: false};
   for (let tgt of objects) {
     prepare(tgt);
     assertEquals(true, Reflect.get(tgt, "bla"));
+    assertEquals(true, Reflect.get(tgt, "bla", tgt));
+    assertEquals(true, Reflect.get(tgt, "bla", receiver));
     assertEquals(42, Reflect.get(tgt, 4));
+    assertEquals(42, Reflect.get(tgt, 4, tgt));
+    assertEquals(42, Reflect.get(tgt, 4, receiver));
     assertEquals(42, Reflect.get(tgt, "4"));
+    assertEquals(42, Reflect.get(tgt, "4", tgt));
+    assertEquals(42, Reflect.get(tgt, "4", receiver));
     assertEquals("foo", Reflect.get(tgt, sym));
-    assertEquals(undefined, Reflect.get(tgt, "doesnotexist"));
+    assertEquals("foo", Reflect.get(tgt, sym, tgt));
+    assertEquals("foo", Reflect.get(tgt, sym, receiver));
+    assertEquals(43, Reflect.get(tgt, "noconf"));
+    assertEquals(43, Reflect.get(tgt, "noconf", tgt));
+    assertEquals(43, Reflect.get(tgt, "noconf", receiver));
+    assertEquals(true, Reflect.get(tgt, "getter"));
+    assertEquals(true, Reflect.get(tgt, "getter", tgt));
+    assertEquals(false, Reflect.get(tgt, "getter", receiver));
+    assertEquals(undefined, Reflect.get(tgt, "setter"));
+    assertEquals(undefined, Reflect.get(tgt, "setter", tgt));
+    assertEquals(undefined, Reflect.get(tgt, "setter", receiver));
+    assertEquals(undefined, Reflect.get(tgt, "foo"));
+    assertEquals(undefined, Reflect.get(tgt, "foo", tgt));
+    assertEquals(undefined, Reflect.get(tgt, "foo", receiver));
     assertEquals(undefined, Reflect.get(tgt, 666));
+    assertEquals(undefined, Reflect.get(tgt, 666, tgt));
+    assertEquals(undefined, Reflect.get(tgt, 666, receiver));
+
+    let proto = tgt.__proto__;
+    tgt.__proto__ = { get foo() {return this.bla} };
+    assertEquals(true, Reflect.get(tgt, "foo"));
+    assertEquals(true, Reflect.get(tgt, "foo", tgt));
+    assertEquals(false, Reflect.get(tgt, "foo", receiver));
+    tgt.__proto__ = proto;
   }
 })();
 
@@ -128,8 +161,16 @@ function prepare(tgt) {
     assertTrue(Reflect.has(tgt, 4));
     assertTrue(Reflect.has(tgt, "4"));
     assertTrue(Reflect.has(tgt, sym));
-    assertFalse(Reflect.has(tgt, "doesnotexist"));
+    assertTrue(Reflect.has(tgt, "noconf"));
+    assertTrue(Reflect.has(tgt, "getter"));
+    assertTrue(Reflect.has(tgt, "setter"));
+    assertFalse(Reflect.has(tgt, "foo"));
     assertFalse(Reflect.has(tgt, 666));
+
+    let proto = tgt.__proto__;
+    tgt.__proto__ = { get foo() {return this.bla} };
+    assertEquals(true, Reflect.has(tgt, "foo"));
+    tgt.__proto__ = proto;
   }
 })();
 
@@ -173,10 +214,17 @@ function prepare(tgt) {
     }
     assertTrue(Reflect.deleteProperty(tgt, sym));
     assertEquals(undefined, Object.getOwnPropertyDescriptor(tgt, sym));
-    assertTrue(Reflect.deleteProperty(tgt, "doesnotexist"));
-    assertTrue(Reflect.deleteProperty(tgt, 666));
     assertFalse(Reflect.deleteProperty(tgt, "noconf"));
     assertEquals(43, tgt.noconf);
+    assertTrue(Reflect.deleteProperty(tgt, "getter"));
+    assertTrue(Reflect.deleteProperty(tgt, "setter"));
+    assertTrue(Reflect.deleteProperty(tgt, "foo"));
+    assertTrue(Reflect.deleteProperty(tgt, 666));
+
+    let proto = tgt.__proto__;
+    tgt.__proto__ = { get foo() {return this.bla} };
+    assertEquals(true, Reflect.deleteProperty(tgt, "foo"));
+    tgt.__proto__ = proto;
   }
 })();