Byrjaði á kóðum fyrir part 3 en lenti í veseni með test kóðann

test/test_pi_controller/test_main.cpp

@@ -0,0 +1,28 @@
+#include <unity.h>
+
+//#include "p_controller.h"
+#include "pi_controller.h"
+
+static const double KP = 2.0;
+static const double KI = 1.0;
+static const double T = 0.1;
+static const double TOL = 1e-4; // Tolerance
+
+void test_positive_error()
+{
+    PI_controller controller(KP, KI, T);
+
+    double output = controller.update(10.0, 8.0);
+
+    TEST_ASSERT_DOUBLE_WITHIN(TOL, 4.4, output);
+}
+
+
+int main()
+{
+    UNITY_BEGIN();
+
+    RUN_TEST(test_positive_error);
+
+    return UNITY_END();
+}