[subset] Subsetting Name Table Step 4

Add unit test and integration test

test/api/Makefile.am

@@ -52,6 +52,7 @@ TEST_PROGS = \
 	test-subset-cff2 \
 	test-unicode \
 	test-version \
+	test-subset-nameids \
 	$(NULL)
 
 test_subset_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
@@ -64,6 +65,7 @@ test_subset_post_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_vmtx_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_cff1_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_cff2_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
+test_subset_nameids_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 
 test_unicode_CPPFLAGS = \
 	$(AM_CPPFLAGS) \

test/api/hb-subset-test.h

@@ -65,6 +65,15 @@ hb_subset_test_create_input_from_glyphs (const hb_set_t *glyphs)
   return input;
 }
 
+static inline hb_subset_input_t *
+hb_subset_test_create_input_from_nameids (const hb_set_t *name_ids)
+{
+  hb_subset_input_t *input = hb_subset_input_create_or_fail ();
+  hb_set_t * input_name_ids  = hb_subset_input_nameid_set (input);
+  hb_set_union (input_name_ids, name_ids);
+  return input;
+}
+
 static inline hb_face_t *
 hb_subset_test_create_subset (hb_face_t *source,
                               hb_subset_input_t *input)

test/api/test-subset-nameids.c

+/*
+ * Copyright © 2018  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Garret Rieger
+ */
+
+#include "hb-test.h"
+#include "hb-subset-test.h"
+
+static void
+test_subset_nameids (void)
+{
+  hb_face_t *face_origin = hb_test_open_font_file ("fonts/nameID.origin.ttf");
+  hb_face_t *face_expected = hb_test_open_font_file ("fonts/nameID.expected.ttf");
+
+  hb_set_t *name_ids = hb_set_create();
+  hb_face_t *face_subset;
+  hb_set_add (name_ids, 0);
+  hb_set_add (name_ids, 9);
+  face_subset = hb_subset_test_create_subset (face_origin, hb_subset_test_create_input_from_nameids (name_ids));
+  hb_set_destroy (name_ids);
+
+  hb_subset_test_check (face_expected, face_subset, HB_TAG ('n','a','m','e'));
+
+  hb_face_destroy (face_subset);
+  hb_face_destroy (face_origin);
+  hb_face_destroy (face_expected);
+}
+
+int
+main (int argc, char **argv)
+{
+  hb_test_init (&argc, &argv);
+
+  hb_test_add (test_subset_nameids);
+
+  return hb_test_run();
+}

test/subset/data/profiles/name-ids.txt

+--name-IDs=0,1,2

test/subset/data/tests/basics.tests

@@ -6,6 +6,7 @@ default.txt
 drop-hints.txt
 drop-hints-retain-gids.txt
 retain-gids.txt
+name-ids.txt
 
 SUBSETS:
 abc