From ec47cd95ba6c550314a1cbcc46fafd7946e52ece Mon Sep 17 00:00:00 2001
From: Garret Rieger <grieger@google.com>
Date: Wed, 7 Mar 2018 10:33:02 -0800
Subject: [PATCH] [subset] Unit test to check that post subsetting drops glyph
 names.

---
 test/api/Makefile.am                          |   2 +
 ...-Regular.660E,6975,73E0,5EA6,8F38,6E05.ttf | Bin 3572 -> 3724 bytes
 test/api/test-subset-post.c                   |  61 ++++++++++++++++++
 3 files changed, 63 insertions(+)
 create mode 100644 test/api/test-subset-post.c

diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 3c5a5ccfc..54e367faa 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -36,6 +36,7 @@ TEST_PROGS = \
 	test-subset-hdmx \
 	test-subset-hmtx \
 	test-subset-os2 \
+	test-subset-post \
 	test-subset-vmtx \
 	test-unicode \
 	test-version \
@@ -47,6 +48,7 @@ test_subset_glyf_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_hdmx_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_hmtx_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_os2_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
+test_subset_post_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 test_subset_vmtx_LDADD = $(LDADD) $(top_builddir)/src/libharfbuzz-subset.la
 
 test_unicode_CPPFLAGS = \
diff --git a/test/api/fonts/Mplus1p-Regular.660E,6975,73E0,5EA6,8F38,6E05.ttf b/test/api/fonts/Mplus1p-Regular.660E,6975,73E0,5EA6,8F38,6E05.ttf
index 89c7a1accde325ab37f39472069986cb4d753ee3..2a978fbdc621c828b235634e7ac2f011d6a1e273 100644
GIT binary patch
delta 353
zcmew&-6K0e!J_L*s1pMNI|C3LNiHi<V4K49k%56L2FT}2D@f1f-=e=9D1U^3fhjdT
zvAE#>e+FitRKUcDe8(IH2Ij_s{Nj?b)2~?=7<fMbH6;`jr50@Xq%8t8L<h*%E6Yet
zWIrgd9jGY-$X6-LEvaD1Wp)ShBQ|p|TClS4N142y?83Ic9%u&0a0V412C;L1JVr2|
znSl$;XJPOF(tHdY3``7cam&*9GE4JViy!n`0G-8v%3l~g^UJipiT`_43(kQ}0cwN;
z9xy8c%4Y-VWnkE>#h%Z`$TWEtue?1lKp2@AnHgCaSsB?F+1X3;GEH3_%|Nu7nSm>q
bwlp^d)2;?!+T7UH0K~U&Gq#w#gVzQC!mLt#

delta 205
zcmeB?{USX<!Gb}=-kgDfodF1PlFLdI*rqUjWMJT80rL6M3et1=x9Bei%I7dJFr}s^
z78m^g&%n&Uz`J8&M82a40|RqoL4I+`|276Apx_LkCWV5c)PfD4w1IM*SAcxIvW(P3
z_Jac3f$|rCe3i1?k_whwW_KX}z-A6c3sx54G^@RnUD);uG6Cg57K;F_-~!Q`bJ$zi
T<bn2q!2f2DC757x0G|y2$ki(B

diff --git a/test/api/test-subset-post.c b/test/api/test-subset-post.c
new file mode 100644
index 000000000..b34e2b7d6
--- /dev/null
+++ b/test/api/test-subset-post.c
@@ -0,0 +1,61 @@
+/*
+ * 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 <stdbool.h>
+
+#include "hb-test.h"
+#include "hb-subset-test.h"
+
+/* Unit tests for hmtx subsetting */
+
+static void
+test_post_drops_glyph_names (void)
+{
+  hb_face_t *face_full = hb_subset_test_open_font ("fonts/Mplus1p-Regular.660E,6975,73E0,5EA6,8F38,6E05.ttf");
+  hb_face_t *face_subset = hb_subset_test_open_font ("fonts/Mplus1p-Regular.660E.ttf");
+
+  hb_set_t *codepoints = hb_set_create ();
+  hb_set_add (codepoints, 0x660E);
+
+  hb_face_t *face_full_subset = hb_subset_test_create_subset (face_full, hb_subset_test_create_input (codepoints));
+  hb_set_destroy (codepoints);
+
+  hb_subset_test_check (face_subset, face_full_subset, HB_TAG ('p','o','s','t'));
+
+  hb_face_destroy (face_full_subset);
+  hb_face_destroy (face_full);
+  hb_face_destroy (face_subset);
+}
+
+int
+main (int argc, char **argv)
+{
+  hb_test_init (&argc, &argv);
+
+  hb_test_add (test_post_drops_glyph_names);
+
+  return hb_test_run();
+}