1 files changed, 43 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/literal-operators.cpp b/clang/test/SemaCXX/literal-operators.cpp
new file mode 100644
index 0000000..7f68cd3
--- /dev/null
+++ b/clang/test/SemaCXX/literal-operators.cpp
@@ -0,0 +1,43 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
+
+#include <stddef.h>
+
+struct tag {
+  void operator "" _tag_bad (const char *); // expected-error {{literal operator 'operator "" _tag_bad' must be in a namespace or global scope}}
+  friend void operator "" _tag_good (const char *);
+};
+
+namespace ns { void operator "" _ns_good (const char *); }
+
+// Check extern "C++" declarations
+extern "C++" void operator "" _extern_good (const char *);
+extern "C++" { void operator "" _extern_good (const char *); }
+
+void fn () { void operator "" _fn_good (const char *); }
+
+// One-param declarations (const char * was already checked)
+void operator "" _good (char);
+void operator "" _good (wchar_t);
+void operator "" _good (char16_t);
+void operator "" _good (char32_t);
+void operator "" _good (unsigned long long);
+void operator "" _good (long double);
+
+// Two-param declarations
+void operator "" _good (const char *, size_t);
+void operator "" _good (const wchar_t *, size_t);
+void operator "" _good (const char16_t *, size_t);
+void operator "" _good (const char32_t *, size_t);
+
+// Check typedef and array equivalences
+void operator "" _good (const char[]);
+typedef const char c;
+void operator "" _good (c*);
+
+// Check extra cv-qualifiers
+void operator "" _cv_good (volatile const char *, const size_t); // expected-error {{parameter declaration for literal operator 'operator "" _cv_good' is not valid}}
+
+// Template declaration
+template <char...> void operator "" _good ();
+
+// FIXME: Test some invalid decls that might crop up.