1 files changed, 109 insertions, 0 deletions
diff --git a/tests/test-no-fonts.c b/tests/test-no-fonts.c
new file mode 100644
index 00000000..c057874d
--- /dev/null
+++ b/tests/test-no-fonts.c
@@ -0,0 +1,109 @@
+/* Pango
+ * test-no-fonts.c: Check that lack of fonts is survivable
+ *
+ * Copyright (C) 2022 Red Hat, Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <glib.h>
+#include <string.h>
+#include <locale.h>
+
+#ifndef G_OS_WIN32
+#include <unistd.h>
+#endif
+
+#include "config.h"
+#include <pango/pangocairo.h>
+#include <pango/pangocairo-fc.h>
+#include <pango/pangofc-fontmap.h>
+#include "test-common.h"
+
+
+static void
+install_fonts (const char *dir)
+{
+  FcConfig *config;
+  PangoFontMap *map;
+  char *path;
+  gsize len;
+  char *conf;
+
+  map = g_object_new (PANGO_TYPE_CAIRO_FC_FONT_MAP, NULL);
+
+  config = FcConfigCreate ();
+
+  path = g_build_filename (dir, "fonts.conf", NULL);
+  g_file_get_contents (path, &conf, &len, NULL);
+
+  if (!FcConfigParseAndLoadFromMemory (config, (const FcChar8 *) conf, TRUE))
+    g_error ("Failed to parse fontconfig configuration");
+
+  g_free (conf);
+  g_free (path);
+
+  FcConfigAppFontAddDir (config, (const FcChar8 *) dir);
+  pango_fc_font_map_set_config (PANGO_FC_FONT_MAP (map), config);
+  FcConfigDestroy (config);
+
+  pango_cairo_font_map_set_default (PANGO_CAIRO_FONT_MAP (map));
+
+  g_object_unref (map);
+}
+
+static void
+test_nofonts (void)
+{
+  PangoContext *context;
+  const char *text;
+  PangoLayout *layout;
+  int missing;
+
+  context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
+  layout = pango_layout_new (context);
+
+  text = "Schlaf, Kindlein schlaf! "
+         "Der Vater hüt' die Schaf, "
+         "die Mutter schúttelt's Bäumelein, "
+         "da fällt herab ein Träumelein. "
+         "Schlaf, Kindlein schlaf!";
+
+  pango_layout_set_text (layout, text, -1);
+  missing = pango_layout_get_unknown_glyphs_count (layout);
+  g_assert_cmpint (missing, ==, g_utf8_strlen (text, -1));
+
+  g_object_unref (layout);
+  g_object_unref (context);
+}
+
+int
+main (int argc, char *argv[])
+{
+  char *path;
+
+  setlocale (LC_ALL, "");
+
+  g_test_init (&argc, &argv, NULL);
+
+  path = g_test_build_filename (G_TEST_DIST, "nofonts", NULL);
+  install_fonts (path);
+  g_free (path);
+
+  g_test_add_func ("/layout/nofonts", test_nofonts);
+
+  return g_test_run ();
+}