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-rw-r--r--js/src/tests/non262/extensions/regress-274152.js48
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/regress-274152.js b/js/src/tests/non262/extensions/regress-274152.js
new file mode 100644
index 0000000000..0f3cd70e53
--- /dev/null
+++ b/js/src/tests/non262/extensions/regress-274152.js
@@ -0,0 +1,48 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 274152;
+var summary = 'Do not ignore unicode format-control characters';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+ printBugNumber(BUGNUMBER);
+ printStatus (summary);
+
+ expect = 'SyntaxError: illegal character';
+
+ var formatcontrolchars = ['\u200E',
+ '\u0600',
+ '\u0601',
+ '\u0602',
+ '\u0603',
+ '\u06DD',
+ '\u070F'];
+
+ for (var i = 0; i < formatcontrolchars.length; i++)
+ {
+ var char = formatcontrolchars[i];
+
+ try
+ {
+ eval("hi" + char + "there = 'howdie';");
+ }
+ catch(ex)
+ {
+ actual = ex + '';
+ }
+
+ var hex = char.codePointAt(0).toString(16).toUpperCase().padStart(4, '0');
+ reportCompare(`${expect} U+${hex}`, actual, summary + ': ' + i);
+ }
+}