FYI Implementing 'super' keyword

test/cctest/test-parsing.cc

 // Copyright 2012 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
@@ skipping 3325 matching lines @@
 
     // Arrow has more precedence, this is the same as: foo ? bar : (baz = {})
     "foo ? bar : baz => {}",
     NULL
   };
 
   static const ParserFlag always_flags[] = {kAllowArrowFunctions};
   RunParserSyncTest(context_data, statement_data, kSuccess, NULL, 0,
                     always_flags, ARRAY_SIZE(always_flags));
 }
+
+
+TEST(NoErrorsSuper) {
+  // Tests that parser and preparser accept valid arrow functions syntax.
+  const char* context_data[][2] = {{"", ";"},
+                                   {"bar ? (", ") : baz;"},
+                                   {"bar ? baz : (", ");"},
+                                   {"bar, ", ";"},
+                                   {"", ", bar;"},
+                                   {NULL, NULL}};
+
+  const char* statement_data[] = {
+    "super.x",
+    "super[27]",
+    "new super",
+    "new super()",
+    "new super(12, 45)",
+    "new new super",
+    "new new super()",
+    "new new super()()",
+    NULL};
+
+  RunParserSyncTest(context_data, statement_data, kSuccess);
+}
+
+
+TEST(ErrorsSuper) {
+  // Tests that parser and preparser accept valid arrow functions syntax.
+  const char* context_data[][2] = {{"", ";"},
+                                   {"bar ? (", ") : baz;"},
+                                   {"bar ? baz : (", ");"},
+                                   {"bar, ", ";"},
+                                   {"", ", bar;"},
+                                   {NULL, NULL}};
+
+  const char* statement_data[] = {
+    "super = x",
+    "y = super",
+    "f(super)",
+    // "z.super",
+    NULL};
+
+  RunParserSyncTest(context_data, statement_data, kError);
+}