Revert of [es6] don't throw if argument is non-object (O.freeze, O.seal, O.preventExtensions)

test/mjsunit/object-seal.js

 // Copyright 2010 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.
 
-// Tests the Object.seal and Object.isSealed methods - ES 19.1.2.17 and
-// ES 19.1.2.13
+// Tests the Object.seal and Object.isSealed methods - ES 15.2.3.9 and
+// ES 15.2.3.12
 
 // Flags: --allow-natives-syntax --noalways-opt
 
-// Test that we return obj if non-object is passed as argument
-var non_objects = new Array(undefined, null, 1, -1, 0, 42.43, Symbol("test"));
+// Test that we throw an error if an object is not passed as argument.
+var non_objects = new Array(undefined, null, 1, -1, 0, 42.43);
 for (var key in non_objects) {
-  assertSame(non_objects[key], Object.seal(non_objects[key]));
+  var exception = false;
+  try {
+    Object.seal(non_objects[key]);
+  } catch(e) {
+    exception = true;
+    assertTrue(/Object.seal called on non-object/.test(e));
+  }
+  assertTrue(exception);
 }
 
-// Test that isFrozen always returns true for non-objects
 for (var key in non_objects) {
-  assertTrue(Object.isSealed(non_objects[key]));
+  exception = false;
+  try {
+    Object.isSealed(non_objects[key]);
+  } catch(e) {
+    exception = true;
+    assertTrue(/Object.isSealed called on non-object/.test(e));
+  }
+  assertTrue(exception);
 }
 
 // Test normal data properties.
 var obj = { x: 42, z: 'foobar' };
 var desc = Object.getOwnPropertyDescriptor(obj, 'x');
 assertTrue(desc.writable);
 assertTrue(desc.configurable);
 assertEquals(42, desc.value);
 
 desc = Object.getOwnPropertyDescriptor(obj, 'z');
@@ skipping 324 matching lines @@
   get: function() { return 42 },
   set: function() { accessorDidRun = true },
   configurable: true,
   enumerable: true
 });
 obj.data = 'foo';
 assertTrue(%HasFastProperties(obj));
 Object.seal(obj);
 assertTrue(%HasFastProperties(obj));
 assertTrue(Object.isSealed(obj));
-
-function Sealed() {}
-Object.seal(Sealed);
-assertDoesNotThrow(function() { return new Sealed(); });
-Sealed.prototype.prototypeExists = true;
-assertTrue((new Sealed()).prototypeExists);