Add m-esr52 at 52.6.0

1 files changed, 34 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Syntax/declaration-forbidden-in-label.js b/js/src/tests/ecma_6/Syntax/declaration-forbidden-in-label.js
new file mode 100644
index 000000000..53acb3996
--- /dev/null
+++ b/js/src/tests/ecma_6/Syntax/declaration-forbidden-in-label.js
@@ -0,0 +1,34 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 1288459;
+var summary =
+  "Properly implement the spec's distinctions between StatementListItem and " +
+  "Statement grammar productions and their uses";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+assertThrowsInstanceOf(() => Function("a: let x;"), SyntaxError);
+assertThrowsInstanceOf(() => Function("b: const y = 3;"), SyntaxError);
+assertThrowsInstanceOf(() => Function("c: class z {};"), SyntaxError);
+
+assertThrowsInstanceOf(() => Function("'use strict'; d: function w() {};"), SyntaxError);
+
+// Annex B.3.2 allows this in non-strict mode code.
+Function("e: function x() {};");
+
+assertThrowsInstanceOf(() => Function("f: function* y() {}"), SyntaxError);
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");