Init

.gitignore

+/cmake-build-debug/

.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/.name

+Uebung0
\ No newline at end of file

.idea/Uebung0.iml

+<?xml version="1.0" encoding="UTF-8"?>
+<module classpath="CMake" type="CPP_MODULE" version="4" />
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
+</project>
\ No newline at end of file

.idea/modules.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Uebung0.iml" filepath="$PROJECT_DIR$/.idea/Uebung0.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$/cmake-build-debug/_deps/catch2-src" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

CMakeLists.txt

+cmake_minimum_required(VERSION 3.26)
+project(Uebung0)
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+add_library(common OBJECT
+        src/controller.c
+        src/controller.h)
+
+add_executable(Uebung0 src/main.c
+        src/controller.c
+        src/controller.h)
+
+# Fetch Catch2
+Include(FetchContent)
+FetchContent_Declare(
+        Catch2
+        GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+        GIT_TAG        v3.3.2
+)
+FetchContent_MakeAvailable(Catch2)
+
+# Build Tests
+enable_testing()
+
+
+add_executable(test_controller
+        $<TARGET_OBJECTS:common>
+        src/controller.test.cpp
+)
+
+target_link_libraries(test_controller PRIVATE Catch2::Catch2WithMain)
+target_include_directories(test_controller PRIVATE src/)
+add_test(test_controller env CTEST_OUTPUT_ON_FAILURE=1 ./test_controller)
+

src/controller.c

+#include "controller.h"
+
+double controller(double w, double y,double maxControl){
+    return 0;
+}
+
+
+

src/controller.h

+#ifndef controller_H
+#define controller_H
+double controller(double w, double y,double maxControl);
+#endif // controller_H

src/controller.test.cpp

+#include <catch2/catch_test_macros.hpp>
+extern "C" {
+#include "controller.h"
+}
+
+TEST_CASE("PI_Regler"){
+    REQUIRE(controller(8,0,500) == 16.0);
+    REQUIRE(controller(-2,0,500) == -4.0);
+}
+
+TEST_CASE("limits"){
+    REQUIRE(controller(2,0,2) == 2);
+    REQUIRE(controller(-2,0,2) == -2);
+}
\ No newline at end of file

src/main.c

+#include <stdio.h>
+#include "controller.h"
+
+int main() {
+    return 0;
+}