vendor/libc++/r256633

1 files changed, 43 insertions, 0 deletions

diff --git a/test/std/re/re.regex/re.regex.construct/bad_repeat.pass.cpp b/test/std/re/re.regex/re.regex.construct/bad_repeat.pass.cpp
new file mode 100644
index 000000000000..c21672f02c98
--- /dev/null
+++ b/test/std/re/re.regex/re.regex.construct/bad_repeat.pass.cpp
@@ -0,0 +1,43 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// XFAIL: libcpp-no-exceptions
+// <regex>
+
+// template <class charT, class traits = regex_traits<charT>> class basic_regex;
+
+// template <class ST, class SA>
+//    basic_regex(const basic_string<charT, ST, SA>& s);
+
+#include <regex>
+#include <cassert>
+
+static bool error_badrepeat_thrown(const char *pat) 
+{
+    bool result = false;
+    try {
+        std::regex re(pat);
+    } catch (const std::regex_error &ex) {
+        result = (ex.code() == std::regex_constants::error_badrepeat);
+    }
+    return result;
+}
+
+int main() 
+{
+    assert(error_badrepeat_thrown("?a"));
+    assert(error_badrepeat_thrown("*a"));
+    assert(error_badrepeat_thrown("+a"));
+    assert(error_badrepeat_thrown("{a"));
+
+    assert(error_badrepeat_thrown("?(a+)"));
+    assert(error_badrepeat_thrown("*(a+)"));
+    assert(error_badrepeat_thrown("+(a+)"));
+    assert(error_badrepeat_thrown("{(a+)"));
+}