[src] Add test-use-table

Fixes https://github.com/harfbuzz/harfbuzz/issues/3758

src/Makefile.am

@@ -321,6 +321,7 @@ noinst_PROGRAMS = \
 	test-ot-glyphname \
 	test-gpos-size-params \
 	test-gsub-would-substitute \
+	test-use-table \
 	$(NULL)
 bin_PROGRAMS =
 
@@ -348,6 +349,10 @@ test_ot_glyphname_SOURCES = test-ot-glyphname.cc
 test_ot_glyphname_CPPFLAGS = $(HBCFLAGS)
 test_ot_glyphname_LDADD = libharfbuzz.la $(HBLIBS)
 
+test_use_table_SOURCES = test-use-table.cc
+test_use_table_CPPFLAGS = $(HBCFLAGS)
+test_use_table_LDADD = libharfbuzz.la $(HBLIBS)
+
 test_gpos_size_params_SOURCES = test-gpos-size-params.cc
 test_gpos_size_params_CPPFLAGS = $(HBCFLAGS)
 test_gpos_size_params_LDADD = libharfbuzz.la $(HBLIBS)

src/gen-use-table.py

@@ -497,27 +497,6 @@ for k,v in sorted(use_positions.items()):
 		tag = k + suf
 		print ("#undef %s" % tag)
 print ()
-print (r"""
-#ifdef HB_USE_TABLE_MAIN
-int main (int argc, char **argv)
-{
-  if (argc != 2)
-  {
-    for (unsigned u = 0; u < 0x10FFFFu; u++)
-      printf ("U+%04X %d\n", u, hb_use_get_category (u));
-    return 0;
-  }
-
-  hb_codepoint_t u;
-  sscanf (argv[1], "%x", &u);
-
-  printf ("%d\n", hb_use_get_category (u));
-
-  return 0;
-}
-
-#endif
-""")
 print ()
 print ("#endif /* HB_OT_SHAPER_USE_TABLE_HH */")
 print ("/* == End of generated table == */")

src/hb-ot-shaper-use-table.hh

@@ -393,26 +393,5 @@ hb_use_get_category (unsigned u)
 #undef VMPre
 
 
-#ifdef HB_USE_TABLE_MAIN
-int main (int argc, char **argv)
-{
-  if (argc != 2)
-  {
-    for (unsigned u = 0; u < 0x10FFFFu; u++)
-      printf ("U+%04X %d\n", u, hb_use_get_category (u));
-    return 0;
-  }
-
-  hb_codepoint_t u;
-  sscanf (argv[1], "%x", &u);
-
-  printf ("%d\n", hb_use_get_category (u));
-
-  return 0;
-}
-
-#endif
-
-
 #endif /* HB_OT_SHAPER_USE_TABLE_HH */
 /* == End of generated table == */

src/meson.build

@@ -558,6 +558,7 @@ if get_option('tests').enabled()
       'test-ot-glyphname': 'test-ot-glyphname.cc',
       'test-ot-gpos-size-params': 'test-gpos-size-params.cc',
       'test-ot-gsub-would-substitute': 'test-gsub-would-substitute.cc',
+      'test-use-table': 'test-use-table.cc',
     }
     foreach name, source : noinst_programs
       executable(name, source,

src/test-use-table.cc

@@ -0,0 +1,18 @@
+#include "hb-ot-shaper-use-table.hh"
+
+int main (int argc, char **argv)
+{
+  if (argc != 2)
+  {
+    for (unsigned u = 0; u < 0x10FFFFu; u++)
+      printf ("U+%04X %d\n", u, hb_use_get_category (u));
+    return 0;
+  }
+
+  hb_codepoint_t u;
+  sscanf (argv[1], "%x", &u);
+
+  printf ("%d\n", hb_use_get_category (u));
+
+  return 0;
+}