add google test

lab02/fib/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.14)
 
 # Projektname
 project(fib)
@@ -6,8 +6,28 @@ project(fib)
 # C++-Standard setzen
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
-
+include(FetchContent)
+FetchContent_Declare(
+  googletest
+  URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
+)
 # add includes
 include_directories(include)
 # Quellverzeichnis angeben
 add_executable(MyProject src/main.cpp)
+
+enable_testing()
+
+add_executable(
+  test_stuff
+  src/test_stuff.cc
+)
+
+target_link_libraries(
+  test_stuff
+  GTest::gtest_main
+)
+
+include(GoogleTest)
+gtest_discover_tests(test_stuff)
+

lab02/fib/src/test_stuff.cc

@@ -0,0 +1,6 @@
+#include <gtest/gtest.h>
+
+TEST(first, test) {
+    EXPECT_STRNE("hello", "world");
+    EXPECT_EQ(7*6, 42);
+}