3 files changed, 34 insertions, 13 deletions
diff --git a/src/test/bech32_tests.cpp b/src/test/bech32_tests.cpp
index 0ba492c24e..a1dabee579 100644
--- a/src/test/bech32_tests.cpp
+++ b/src/test/bech32_tests.cpp
@@ -4,24 +4,12 @@
 
 #include <bech32.h>
 #include <test/setup_common.h>
+#include <test/util/str.h>
 
 #include <boost/test/unit_test.hpp>
 
 BOOST_FIXTURE_TEST_SUITE(bech32_tests, BasicTestingSetup)
 
-static bool CaseInsensitiveEqual(const std::string &s1, const std::string &s2)
-{
-    if (s1.size() != s2.size()) return false;
-    for (size_t i = 0; i < s1.size(); ++i) {
-        char c1 = s1[i];
-        if (c1 >= 'A' && c1 <= 'Z') c1 -= ('A' - 'a');
-        char c2 = s2[i];
-        if (c2 >= 'A' && c2 <= 'Z') c2 -= ('A' - 'a');
-        if (c1 != c2) return false;
-    }
-    return true;
-}
-
 BOOST_AUTO_TEST_CASE(bip173_testvectors_valid)
 {
     static const std::string CASES[] = {
diff --git a/src/test/util/str.cpp b/src/test/util/str.cpp
new file mode 100644
index 0000000000..c517fe44d9
--- /dev/null
+++ b/src/test/util/str.cpp
@@ -0,0 +1,21 @@
+// Copyright (c) 2019 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <test/util/str.h>
+
+#include <cstdint>
+#include <string>
+
+bool CaseInsensitiveEqual(const std::string& s1, const std::string& s2)
+{
+    if (s1.size() != s2.size()) return false;
+    for (size_t i = 0; i < s1.size(); ++i) {
+        char c1 = s1[i];
+        if (c1 >= 'A' && c1 <= 'Z') c1 -= ('A' - 'a');
+        char c2 = s2[i];
+        if (c2 >= 'A' && c2 <= 'Z') c2 -= ('A' - 'a');
+        if (c1 != c2) return false;
+    }
+    return true;
+}
diff --git a/src/test/util/str.h b/src/test/util/str.h
new file mode 100644
index 0000000000..63629501e8
--- /dev/null
+++ b/src/test/util/str.h
@@ -0,0 +1,12 @@
+// Copyright (c) 2019 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_TEST_UTIL_STR_H
+#define BITCOIN_TEST_UTIL_STR_H
+
+#include <string>
+
+bool CaseInsensitiveEqual(const std::string& s1, const std::string& s2);
+
+#endif // BITCOIN_TEST_UTIL_STR_H