Implement the core of Proxy object (#3562)

- Internal routines of the of the proxy object are unimplemented
 - For-in enumerate with proxy target is currently not supported

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu

tests/jerry/es2015/proxy_get_prototoype_of.js

@@ -0,0 +1,70 @@
+// 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.
+
+// TODO: Update these tests when the internal routine has been implemented
+
+var target = {};
+var handler = { getPrototypeOf (target) {
+  throw 42;
+}};
+
+var proxy = new Proxy(target, handler);
+
+try {
+  // 19.1.2.9.2
+  Object.getPrototypeOf(proxy);
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+
+try {
+  // 19.1.3.3
+  Object.prototype.isPrototypeOf(proxy);
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}
+
+(function () {
+  class e extends Array {};
+  function f () {};
+  function g () {};
+
+  Object.setPrototypeOf(g, proxy);
+
+  // 7.3.19.7.b
+  try {
+    g instanceof f;
+    assert(false);
+  } catch (e) {
+    assert(e instanceof TypeError);
+  }
+
+  // ecma_op_implicit_class_constructor_has_instance [[GetPrototypeOf]]
+  try {
+    g instanceof e;
+    assert(false);
+  } catch (e) {
+    assert(e instanceof TypeError);
+  }
+})();
+
+try {
+  // 9.4.1.3.3
+  Function.prototype.bind.call(proxy);
+  assert(false);
+} catch (e) {
+  assert(e instanceof TypeError);
+}