Added additional test.

Author: dhebbeker

test/hmi/test_keyState/test_keyState.cpp

@@ -1,11 +1,20 @@
+#include "../test_dummies.hpp"
 #include <Arduino-wrapper.h>
+#include <board_pins.hpp>
 #include <input_device_interface/Keypad.hpp>
+#include <iostream>
 #include <unity.h>
 
 using namespace fakeit;
 
+static void dummyCallback(const KeyId id)
+{
+    std::cout << "dummy callback has been called with key " << id << std::endl;
+}
+
 void setUp(void)
 {
+    isr_collection.clear();
 }
 
 void tearDown(void)
@@ -18,6 +27,22 @@ void test_default_inactive()
     TEST_ASSERT_FALSE(keypad.isKeyPressed(KeyId::TASK1));
 }
 
+void test_switch_on_off()
+{
+    Keypad keypad;
+    keypad.setCallback(dummyCallback);
+
+    // set & test "active"
+    When(Method(ArduinoFake(), digitalRead).Using(board::button::pin::task1)).Return(LOW); // set task 1 button to low
+    changeButtonState(board::button::pin::task1);                                          // stop task
+    TEST_ASSERT_TRUE(keypad.isKeyPressed(KeyId::TASK1));
+
+    // set & test "inactive"
+    When(Method(ArduinoFake(), digitalRead).Using(board::button::pin::task1)).Return(HIGH); // set task 1 button to high
+    changeButtonState(board::button::pin::task1);                                           // stop task
+    TEST_ASSERT_FALSE(keypad.isKeyPressed(KeyId::TASK1));
+}
+
 int main()
 {
     // irrelevant test doubles
@@ -26,6 +51,7 @@ int main()
     UNITY_BEGIN();
 
     RUN_TEST(test_default_inactive);
+    RUN_TEST(test_switch_on_off);
 
     return UNITY_END();
 }