Added new target support for Date Object (#3739)

JerryScript-DCO-1.0-Signed-off-by: bence gabor kis kisbg@inf.u-szeged.hu

tests/jerry/es2015/new-target-for-date-object.js

@@ -0,0 +1,40 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+try {
+ Reflect.construct (Date,);
+ assert (false);
+} catch (e) {
+ assert (e instanceof TypeError);
+}
+
+try {
+ Reflect.construct (Date, "2015-01-01");
+ assert (false);
+} catch (e) {
+ assert (e instanceof TypeError);
+}
+
+try {
+ Reflect.construct (Date, 1420070400000);
+ assert (false);
+} catch (e) {
+ assert (e instanceof TypeError);
+}
+
+class MyDate extends Date {};
+var d1= new MyDate();
+
+assert(Object.getPrototypeOf(d1) == MyDate.prototype)