From 5e72941919f19c43c1cd7f79c5cb913caf2705e4 Mon Sep 17 00:00:00 2001
From: Szczepan Zalega <szczepan@nitrokey.com>
Date: Fri, 14 Oct 2016 14:01:10 +0200
Subject: Test C API in C++ (Catch)

Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>
---
 CMakeLists.txt          |  4 +++-
 unittest/catch_main.cpp |  2 ++
 unittest/test_C_API.cpp | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 unittest/catch_main.cpp
 create mode 100644 unittest/test_C_API.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 803c465..eedfd35 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,6 +28,8 @@ set(SOURCE_FILES
     log.cc
     misc.cc
     NitrokeyManager.cc
-        NK_C_API.cc include/CommandFailedException.h include/LibraryException.h)
+        NK_C_API.cc include/CommandFailedException.h include/LibraryException.h
+        unittest/test_C_API.cpp
+        unittest/catch_main.cpp)
 
 add_executable(libnitrokey ${SOURCE_FILES})
\ No newline at end of file
diff --git a/unittest/catch_main.cpp b/unittest/catch_main.cpp
new file mode 100644
index 0000000..c8270db
--- /dev/null
+++ b/unittest/catch_main.cpp
@@ -0,0 +1,2 @@
+#define CATCH_CONFIG_MAIN  // This tells Catch to provide a main()
+#include "catch.hpp"
\ No newline at end of file
diff --git a/unittest/test_C_API.cpp b/unittest/test_C_API.cpp
new file mode 100644
index 0000000..37d3c7f
--- /dev/null
+++ b/unittest/test_C_API.cpp
@@ -0,0 +1,34 @@
+static const int TOO_LONG_STRING = 200;
+
+#include "catch.hpp"
+
+#include <iostream>
+#include <string>
+#include "log.h"
+#include "../NK_C_API.h"
+
+TEST_CASE("C API connect", "[BASIC]") {
+  auto login = NK_login_auto();
+  REQUIRE(login != 0);
+  NK_logout();
+  login = NK_login_auto();
+  REQUIRE(login != 0);
+  NK_logout();
+  login = NK_login_auto();
+  REQUIRE(login != 0);
+}
+
+TEST_CASE("Check retry count", "[BASIC]") {
+  REQUIRE(NK_get_admin_retry_count() == 3);
+  REQUIRE(NK_get_user_retry_count() == 3);
+}
+
+TEST_CASE("Check long strings", "[STANDARD]") {
+  char* longPin = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
+  char *pin = "123123123";
+  auto result = NK_change_user_PIN(longPin, pin);
+  REQUIRE(result == TOO_LONG_STRING);
+  result = NK_change_user_PIN(pin, longPin);
+  REQUIRE(result == TOO_LONG_STRING);
+  CAPTURE(result);
+}
\ No newline at end of file
-- 
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