1 files changed, 22 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regexp-no-linear-flag.js b/deps/v8/test/mjsunit/regexp-no-linear-flag.js
new file mode 100644
index 0000000000..7df34aa830
--- /dev/null
+++ b/deps/v8/test/mjsunit/regexp-no-linear-flag.js
@@ -0,0 +1,22 @@
+// Copyright 2020 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax
+// Flags: --no-enable-experimental-regexp-engine
+
+// We shouldn't recognize the 'l' flag.
+assertThrows(() => new RegExp("asdf", "l"), SyntaxError)
+assertThrows(() => new RegExp("123|xyz", "l"), SyntaxError)
+assertThrows(() => new RegExp("((a*)*)*", "yls"), SyntaxError)
+assertThrows(() => new RegExp("((a*)*)*\1", "l"), SyntaxError)
+
+// RegExps shouldn't have a 'linear' property.
+assertFalse(RegExp.prototype.hasOwnProperty('linear'));
+assertFalse(/123/.hasOwnProperty('linear'));
+
+{
+  let re = /./;
+  re.linear = true;
+  assertEquals("", re.flags);
+}