1 files changed, 29 insertions, 0 deletions
diff --git a/test/std/re/re.regex/re.regex.assign/assign_ptr_flag.pass.cpp b/test/std/re/re.regex/re.regex.assign/assign_ptr_flag.pass.cpp
new file mode 100644
index 0000000000000..dd39dee13ffbe
--- /dev/null
+++ b/test/std/re/re.regex/re.regex.assign/assign_ptr_flag.pass.cpp
@@ -0,0 +1,29 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <regex>
+
+// template <class charT, class traits = regex_traits<charT>> class basic_regex;
+
+// basic_regex& assign(const charT* ptr, flag_type f = regex_constants::ECMAScript);
+
+#include <regex>
+#include <cassert>
+
+int main()
+{
+    std::regex r2;
+    r2.assign("(a([bc]))");
+    assert(r2.flags() == std::regex::ECMAScript);
+    assert(r2.mark_count() == 2);
+
+    r2.assign("(a([bc]))", std::regex::extended);
+    assert(r2.flags() == std::regex::extended);
+    assert(r2.mark_count() == 2);
+}