Add test case mentioned in comment

See https://github.com/Nitrokey/libnitrokey/issues/137#issue-396187889 for details

Issue #137

Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>

3 files changed, 23 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1004baf..a2ad1b9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -212,6 +212,7 @@ IF (COMPILE_TESTS)
                 unittest/test_multiple_devices.cc
                 unittest/test_strdup.cpp
                 unittest/test_safe.cpp
+                unittest/test_137.cc
         )
 
     foreach(testsourcefile ${TESTS} )
diff --git a/build/test_137-wrapper.sh b/build/test_137-wrapper.sh
new file mode 100755
index 0000000..be501cd
--- /dev/null
+++ b/build/test_137-wrapper.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+gpg2 --decrypt Makefile.gpg | wc -lc
+sleep 1
+./test_137 -s
+sleep 1
+gpg2 --decrypt Makefile.gpg | wc -lc
+sleep 1
+./test_137 -s
+gpg2 --version
+git describe --long
diff --git a/unittest/test_137.cc b/unittest/test_137.cc
new file mode 100644
index 0000000..bc914d9
--- /dev/null
+++ b/unittest/test_137.cc
@@ -0,0 +1,12 @@
+#include <libnitrokey/NK_C_API.h>
+#include "catch2/catch.hpp"
+#include <cstring>
+
+TEST_CASE("Issue #137", "[fast]") {
+	REQUIRE(NK_login_auto() == 1);
+	REQUIRE(NK_user_authenticate("123456", "temppw") == 0);
+	auto s = NK_get_totp_code_PIN(0, 0, 0, 0, "temppw");
+	REQUIRE(s != 0);
+	REQUIRE(strnlen(s, 100) > 0 );
+	REQUIRE(NK_logout() == 0);
+}