diff --git a/tests/.gitignore b/tests/.gitignore
index bda4ab4..d7e92ec 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -1,3 +1,4 @@
 osx2win32.*
+osx.*
 stdc
 stdc++
diff --git a/tests/Makefile b/tests/Makefile
index b396b4d..af02ee2 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -13,20 +13,27 @@
 
 .DELETE_ON_ERROR:
 
-stdc: stdc.c osx2win32.h
+stdc: stdc.c osx2win32.h osx.h
 	$(CC) -o $@ $^
 osx2win32.h: $(SOURCES)
 	$(GEN) --lang stdc code-map $(DATA) osx win32 > $@
+osx.h: $(SOURCES)
+	$(GEN) --lang stdc code-table $(DATA) osx > $@
 
-stdc++: stdc++.cc osx2win32.hh
+stdc++: stdc++.cc osx2win32.hh osx.hh
 	$(CC) -o $@ $^
 osx2win32.hh: $(SOURCES)
 	$(GEN) --lang stdc++ code-map $(DATA) osx win32 > $@
+osx.hh: $(SOURCES)
+	$(GEN) --lang stdc++ code-table $(DATA) osx > $@
 
-python2: osx2win32.py
+python2: osx2win32.py osx.py
 osx2win32.py: $(SOURCES)
 	$(GEN) --lang python2 code-map $(DATA) osx win32 > $@
+osx.py: $(SOURCES)
+	$(GEN) --lang python2 code-table $(DATA) osx > $@
 
 clean:
 	rm -f osx2win32.*
+	rm -f osx.*
 	rm -f stdc stdc++
diff --git a/tests/stdc++.cc b/tests/stdc++.cc
index 51727cf..251bb84 100644
--- a/tests/stdc++.cc
+++ b/tests/stdc++.cc
@@ -9,10 +9,12 @@
 
 #include <assert.h>
 #include "osx2win32.hh"
+#include "osx.hh"
 
 int main(int argc, char** argv)
 {
 	assert(code_map_osx_to_win32[0x1d] == 0x30);
+	assert(code_table_osx[0x1d] == 0x3b);
 
 	return 0;
 }
diff --git a/tests/stdc.c b/tests/stdc.c
index 152357d..2e880da 100644
--- a/tests/stdc.c
+++ b/tests/stdc.c
@@ -9,10 +9,12 @@
 
 #include <assert.h>
 #include "osx2win32.h"
+#include "osx.h"
 
 int main(int argc, char** argv)
 {
 	assert(code_map_osx_to_win32[0x1d] == 0x30);
+	assert(code_table_osx[0x1d] == 0x3b);
 
 	return 0;
 }
diff --git a/tests/test.py b/tests/test.py
index 0efdafa..6577115 100644
--- a/tests/test.py
+++ b/tests/test.py
@@ -6,5 +6,7 @@
 # and 3-clause BSD licenses.
 
 import osx2win32
+import osx
 
 assert osx2win32.code_map_osx_to_win32[0x1d] == 0x30
+assert osx.code_table_osx[0x1d] == 0x3b;