Added several negative tests (#2215)

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

tests/jerry/for-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)
+  }
+}
+
+parse("for (;;;) print('hello')") 
+parse("for (,,) print('hello')") 
+parse("for (i = 0; i < 10; i++; ) print('i: ' + i)") 
+parse("for (i = 0; i < 10; i++)")
+parse("for i = 0; i < 10; i++ {}")
+parse("for (i = 0;; i < 10; i++) {}")
+parse("for (i = 0; j = 1; i < 10; i++) print('i: '+ i + ' j: ' + j)")
+parse("for (i = 0 j = 5;i<10 || j<10; i++, j++) {}")
+parse("for (i = 0, j = 5; i < 10 || j < 10; i++ j++) {}")
+parse("for (i = 0, j = 5; i < 10 j < 10; i++, j++) {}")
+
+var doubleFor =
+"for (i = 0; i < 5; i++) { "+ 
+"  for (j = 0; j < 5; j++) { print('i: ' + i + ' j: ' + j) }";
+parse(doubleFor)
+
+var doubleFor2 =
+"for (i = 0; i < 5; i++) { "+ 
+"  for (j = 0; j < 5; j++) { print('i: ' + i + ' j: ' + j)";
+parse(doubleFor2)