From 826639fab2b213af1dc5c00d3b1ab5b5187e30fe Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Tue, 2 Aug 2022 12:18:18 -0600
Subject: [PATCH] [src] Add test-use-table

Fixes https://github.com/harfbuzz/harfbuzz/issues/3758
---
 src/Makefile.am               |  5 +++++
 src/gen-use-table.py          | 21 ---------------------
 src/hb-ot-shaper-use-table.hh | 21 ---------------------
 src/meson.build               |  1 +
 src/test-use-table.cc         | 18 ++++++++++++++++++
 5 files changed, 24 insertions(+), 42 deletions(-)
 create mode 100644 src/test-use-table.cc

diff --git a/src/Makefile.am b/src/Makefile.am
index 83cda8f85..1dc938630 100644
--- a/src/Makefile.am
+++ b/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)
diff --git a/src/gen-use-table.py b/src/gen-use-table.py
index 65afea99f..5e6a3b02f 100755
--- a/src/gen-use-table.py
+++ b/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 == */")
diff --git a/src/hb-ot-shaper-use-table.hh b/src/hb-ot-shaper-use-table.hh
index e45ea30e6..63614d653 100644
--- a/src/hb-ot-shaper-use-table.hh
+++ b/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 == */
diff --git a/src/meson.build b/src/meson.build
index 1f1105cae..cd41f5f4d 100644
--- a/src/meson.build
+++ b/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,
diff --git a/src/test-use-table.cc b/src/test-use-table.cc
new file mode 100644
index 000000000..70d2d41f4
--- /dev/null
+++ b/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;
+}