diff --git a/test/hei_user_defines.hpp b/test/hei_user_defines.hpp
new file mode 100644
index 0000000..54c7344
--- /dev/null
+++ b/test/hei_user_defines.hpp
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <assert.h>
+
+#define HEI_INF( ... ) \
+{ \
+  printf( "I> " __VA_ARGS__ ); \
+  printf( "\n" ); \
+}
+
+#define HEI_ERR( ... ) \
+{ \
+  printf( "E> " __VA_ARGS__ ); \
+  printf( "\n" ); \
+}
+
+#define HEI_ASSERT( expression ) \
+  assert( expression );
+
diff --git a/test/meson.build b/test/meson.build
new file mode 100644
index 0000000..6cc59ae
--- /dev/null
+++ b/test/meson.build
@@ -0,0 +1,3 @@
+# build simulator
+subdir('simulator')
+
diff --git a/test/simulator/hei_sim_main.cpp b/test/simulator/hei_sim_main.cpp
new file mode 100644
index 0000000..41ffe7f
--- /dev/null
+++ b/test/simulator/hei_sim_main.cpp
@@ -0,0 +1,12 @@
+#include "hei_isolator.hpp"
+
+int main()
+{
+    libhei::Isolator iso;
+
+    iso.initialize();
+
+    iso.isolate();
+
+    return 0;
+}
diff --git a/test/simulator/meson.build b/test/simulator/meson.build
new file mode 100644
index 0000000..4f72f2e
--- /dev/null
+++ b/test/simulator/meson.build
@@ -0,0 +1,10 @@
+sim_sources = [
+    'hei_sim_main.cpp',
+    '../../src/hei_isolator.cpp'
+]
+
+sim = executable('simulator', sim_sources, \
+                    include_directories: incdir)
+
+test('simulator', sim)
+