FindGnuTLS: add target GnuTLS::GnuTLS

Also add a test case for the module.

3 files changed, 49 insertions, 0 deletions

diff --git a/Tests/FindGnuTLS/CMakeLists.txt b/Tests/FindGnuTLS/CMakeLists.txt
new file mode 100644
index 0000000000..059ac7b0f1
--- /dev/null
+++ b/Tests/FindGnuTLS/CMakeLists.txt
@@ -0,0 +1,10 @@
+add_test(NAME FindGnuTLS.Test COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/FindGnuTLS/Test"
+  "${CMake_BINARY_DIR}/Tests/FindGnuTLS/Test"
+  ${build_generator_args}
+  --build-project TestFindGnuTLS
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
diff --git a/Tests/FindGnuTLS/Test/CMakeLists.txt b/Tests/FindGnuTLS/Test/CMakeLists.txt
new file mode 100644
index 0000000000..c5a9819b2f
--- /dev/null
+++ b/Tests/FindGnuTLS/Test/CMakeLists.txt
@@ -0,0 +1,17 @@
+cmake_minimum_required(VERSION 3.4)
+project(TestFindGnuTLS C)
+include(CTest)
+
+find_package(GnuTLS REQUIRED)
+
+add_definitions(-DCMAKE_EXPECTED_GNUTLS_VERSION="${GNUTLS_VERSION}")
+
+add_executable(test_tgt main.c)
+target_link_libraries(test_tgt GnuTLS::GnuTLS)
+add_test(NAME test_tgt COMMAND test_tgt)
+
+add_executable(test_var main.c)
+target_include_directories(test_var PRIVATE ${GNUTLS_INCLUDE_DIRS})
+target_link_libraries(test_var PRIVATE ${GNUTLS_LIBRARIES})
+target_compile_definitions(test_var PRIVATE ${GNUTLS_DEFINITIONS})
+add_test(NAME test_var COMMAND test_var)
diff --git a/Tests/FindGnuTLS/Test/main.c b/Tests/FindGnuTLS/Test/main.c
new file mode 100644
index 0000000000..122fb2dcc4
--- /dev/null
+++ b/Tests/FindGnuTLS/Test/main.c
@@ -0,0 +1,22 @@
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <gnutls/gnutls.h>
+
+int main()
+{
+  // test the linker
+  gnutls_session_t session;
+  if (gnutls_init(&session, GNUTLS_CLIENT)) {
+    gnutls_deinit(session);
+  }
+
+  // check the version
+  char gnutls_version_string[16];
+  snprintf(gnutls_version_string, 16, "%i.%i.%i", GNUTLS_VERSION_MAJOR,
+           GNUTLS_VERSION_MINOR, GNUTLS_VERSION_PATCH);
+  assert(strcmp(gnutls_version_string, CMAKE_EXPECTED_GNUTLS_VERSION) == 0);
+
+  return 0;
+}