unit: add PrintTo for ue2_literal

diff --git a/unit/internal/util_string.cpp b/unit/internal/util_string.cpp
index d6f7285a2c0141f7a7b888d0b8364b4cd6fb7a5a..f501f66bd914c35dbe2a7738a52e453239d305ca 100644 (file)
--- a/unit/internal/util_string.cpp
+++ b/unit/internal/util_string.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Intel Corporation
+ * Copyright (c) 2015-2017, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -34,6 +34,18 @@
 
 using namespace ue2;
 
+#if defined(DUMP_SUPPORT)
+
+namespace ue2 {
+
+static void PrintTo(const ue2_literal &lit, ::std::ostream *os) {
+    *os << dumpString(lit);
+}
+
+} // namespace ue2
+
+#endif // DUMP_SUPPORT
+
 TEST(string, case_iter1) {
     const char * const expected[] = {
         "3FOO-BAR",