Reset trunk to 3.24.35.4

test/mjsunit/proto-accessor.js

 // Copyright 2013 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:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --harmony-symbols
-
 var desc = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__");
-var getProto = desc.get;
-var setProto = desc.set;
-
-function TestNoPoisonPill() {
-  assertEquals("function", typeof desc.get);
-  assertEquals("function", typeof desc.set);
-  assertDoesNotThrow("desc.get.call({})");
-  assertDoesNotThrow("desc.set.call({}, {})");
-
-  var obj = {};
-  var obj2 = {};
-  desc.set.call(obj, obj2);
-  assertEquals(obj.__proto__, obj2);
-  assertEquals(desc.get.call(obj), obj2);
-}
-TestNoPoisonPill();
+assertEquals("function", typeof desc.get);
+assertEquals("function", typeof desc.set);
+assertDoesNotThrow("desc.get.call({})");
+assertDoesNotThrow("desc.set.call({}, {})");
 
 
-function TestRedefineObjectPrototypeProtoGetter() {
-  Object.defineProperty(Object.prototype, "__proto__", {
-    get: function() {
-      return 42;
-    }
-  });
-  assertEquals({}.__proto__, 42);
-  assertEquals(desc.get.call({}), Object.prototype);
-
-  var desc2 = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__");
-  assertEquals(desc2.get.call({}), 42);
-  assertEquals(desc2.set.call({}), undefined);
-
-  Object.defineProperty(Object.prototype, "__proto__", {
-    set: function(x) {}
-  });
-  var desc3 = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__");
-  assertEquals(desc3.get.call({}), 42);
-  assertEquals(desc3.set.call({}), undefined);
-}
-TestRedefineObjectPrototypeProtoGetter();
+var obj = {};
+var obj2 = {};
+desc.set.call(obj, obj2);
+assertEquals(obj.__proto__, obj2);
+assertEquals(desc.get.call(obj), obj2);
 
 
-function TestRedefineObjectPrototypeProtoSetter() {
-  Object.defineProperty(Object.prototype, "__proto__", { set: undefined });
-  assertThrows(function() {
-    "use strict";
-    var o = {};
-    var p = {};
-    o.__proto__ = p;
-  }, TypeError);
-}
-TestRedefineObjectPrototypeProtoSetter();
+// Check that any redefinition of the __proto__ accessor works.
+Object.defineProperty(Object.prototype, "__proto__", {
+  get: function() {
+    return 42;
+  }
+});
+assertEquals({}.__proto__, 42);
+assertEquals(desc.get.call({}), Object.prototype);
 
 
-function TestGetProtoOfValues() {
-  assertEquals(getProto.call(1), Number.prototype);
-  assertEquals(getProto.call(true), Boolean.prototype);
-  assertEquals(getProto.call(false), Boolean.prototype);
-  assertEquals(getProto.call('s'), String.prototype);
-  assertEquals(getProto.call(Symbol()), Symbol.prototype);
-
-  assertThrows(function() { getProto.call(null); }, TypeError);
-  assertThrows(function() { getProto.call(undefined); }, TypeError);
-}
-TestGetProtoOfValues();
+var desc2 = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__");
+assertEquals(desc2.get.call({}), 42);
+assertDoesNotThrow("desc2.set.call({})");
 
 
-var values = [1, true, false, 's', Symbol()];
+Object.defineProperty(Object.prototype, "__proto__", { set:function(x){} });
+var desc3 = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__");
+assertDoesNotThrow("desc3.get.call({})");
+assertDoesNotThrow("desc3.set.call({})");
 
 
-function TestSetProtoOfValues() {
-  for (var i = 0; i < values.length; i++) {
-    assertEquals(setProto.call(values[i], i), undefined);
-  }
-
-  assertThrows(function() { setProto.call(null, 7); }, TypeError);
-  assertThrows(function() { setProto.call(undefined, 8); }, TypeError);
-}
-TestSetProtoOfValues();
-
-
-function TestSetProtoToValue() {
-  var object = {};
-  var proto = {};
-  setProto.call(object, proto);
-
-  var valuesWithUndefined = values.concat(undefined);
-
-  for (var i = 0; i < valuesWithUndefined.length; i++) {
-    assertEquals(setProto.call(object, valuesWithUndefined[i]), undefined);
-    assertEquals(getProto.call(object), proto);
-  }
-
-  // null is the only valid value that can be used as a [[Prototype]].
-  assertEquals(setProto.call(object, null), undefined);
-  assertEquals(getProto.call(object), null);
-}
-TestSetProtoToValue();
-
-
-function TestDeleteProto() {
-  assertTrue(delete Object.prototype.__proto__);
+Object.defineProperty(Object.prototype, "__proto__", { set: undefined });
+assertThrows(function() {
+  "use strict";
   var o = {};
   var p = {};
   o.__proto__ = p;
-  assertEquals(Object.getPrototypeOf(o), Object.prototype);
-  var desc4 = Object.getOwnPropertyDescriptor(o, "__proto__");
-  assertTrue(desc4.configurable);
-  assertTrue(desc4.enumerable);
-  assertTrue(desc4.writable);
-  assertEquals(desc4.value, p);
-}
-TestDeleteProto();
+}, TypeError);
+
+
+assertTrue(delete Object.prototype.__proto__);
+var o = {};
+var p = {};
+o.__proto__ = p;
+assertEquals(Object.getPrototypeOf(o), Object.prototype);
+var desc4 = Object.getOwnPropertyDescriptor(o, "__proto__");
+assertTrue(desc4.configurable);
+assertTrue(desc4.enumerable);
+assertTrue(desc4.writable);
+assertEquals(desc4.value, p);