Added several negative tests (#2215)

JerryScript-DCO-1.0-Signed-off-by: Balint Sipos siposb@inf.u-szeged.hu

tests/jerry/arithmetic-parse.js

@@ -0,0 +1,43 @@
+// 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.
+
+function parse (txt) {
+  try {
+    eval (txt)
+    assert (false)
+  } catch (e) {
+    assert (e instanceof SyntaxError)
+  }
+}
+
+var a = 21;
+var b = 10;
+var c;
+
+parse ("c =  a++b");
+parse ("c =  a--b");
+
+parse ("c = a +* b");
+parse ("c = a -* b");
+parse ("c = a +/ b");
+parse ("c = a -/ b");
+parse ("c = a +% b");
+parse ("c = a -% b");
+
+parse ("a =* b");
+parse ("a =/ b");
+parse ("a =% b");
+
+parse ("c = a+");
+parse ("c = a-");