Allow testing AudioOutput without audio support

Author: adazem009

test/audio/CMakeLists.txt

@@ -1,15 +1,17 @@
-if (LIBSCRATCHCPP_AUDIO_SUPPORT)
-    # audiooutput_test
-    add_executable(
-      audiooutput_test
-      audiooutput_test.cpp
-    )
+# audiooutput_test
+add_executable(
+  audiooutput_test
+  audiooutput_test.cpp
+)
+
+target_link_libraries(
+  audiooutput_test
+  GTest::gtest_main
+  scratchcpp
+)
 
-    target_link_libraries(
-      audiooutput_test
-      GTest::gtest_main
-      scratchcpp
-    )
+gtest_discover_tests(audiooutput_test)
 
-    gtest_discover_tests(audiooutput_test)
+if (LIBSCRATCHCPP_AUDIO_SUPPORT)
+    target_compile_definitions(audiooutput_test PRIVATE LIBSCRATCHCPP_AUDIO_SUPPORT)
 endif()

test/audio/audiooutput_test.cpp

@@ -1,5 +1,10 @@
 #include <audio/audiooutput.h>
+
+#ifdef LIBSCRATCHCPP_AUDIO_SUPPORT
 #include <audio/internal/audioplayer.h>
+#else
+#include <audio/internal/audioplayerstub.h>
+#endif
 
 #include "../common.h"
 
@@ -10,5 +15,10 @@ TEST(AudioOutputTest, Create)
     auto factory = AudioOutput::instance();
     std::shared_ptr<IAudioPlayer> player = factory->createAudioPlayer();
     ASSERT_TRUE(player);
+
+#ifdef LIBSCRATCHCPP_AUDIO_SUPPORT
     ASSERT_TRUE(std::dynamic_pointer_cast<AudioPlayer>(player));
+#else
+    ASSERT_TRUE(std::dynamic_pointer_cast<AudioPlayerStub>(player));
+#endif
 }