Split out some test functions

These will be reused later.

1 files changed, 204 insertions, 0 deletions

diff --git a/tests/test-common.c b/tests/test-common.c
new file mode 100644
index 00000000..88234114
--- /dev/null
+++ b/tests/test-common.c
@@ -0,0 +1,204 @@
+/* Pango
+ * test-common.c: Common test code
+ *
+ * Copyright (C) 2014 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 <unistd.h>
+#include <locale.h>
+
+#include <pango/pangocairo.h>
+
+char *
+diff_with_file (const char  *file,
+                char        *text,
+                gssize       len,
+                GError     **error)
+{
+  const char *command[] = { "diff", "-u", file, NULL, NULL };
+  char *diff, *tmpfile;
+  int fd;
+
+  diff = NULL;
+
+  if (len < 0)
+    len = strlen (text);
+
+  /* write the text buffer to a temporary file */
+  fd = g_file_open_tmp (NULL, &tmpfile, error);
+  if (fd < 0)
+    return NULL;
+
+  if (write (fd, text, len) != (int) len)
+    {
+      close (fd);
+      g_set_error (error,
+                   G_FILE_ERROR, G_FILE_ERROR_FAILED,
+                   "Could not write data to temporary file '%s'", tmpfile);
+      goto done;
+    }
+  close (fd);
+  command[3] = tmpfile;
+
+  /* run diff command */
+  g_spawn_sync (NULL,
+                (char **) command,
+                NULL,
+                G_SPAWN_SEARCH_PATH,
+                NULL, NULL,
+                &diff,
+                NULL, NULL,
+                error);
+
+done:
+  unlink (tmpfile);
+  g_free (tmpfile);
+
+  return diff;
+}
+
+void
+print_attribute (PangoAttribute *attr, GString *string)
+{
+  g_string_append_printf (string, "[%d %d] ", attr->start_index, attr->end_index);
+  switch (attr->klass->type)
+    {
+    case PANGO_ATTR_LANGUAGE:
+      g_string_append_printf (string,"language %s\n", pango_language_to_string (((PangoAttrLanguage *)attr)->value));
+      break;
+    case PANGO_ATTR_FAMILY:
+      g_string_append_printf (string,"family %s\n", ((PangoAttrString *)attr)->value);
+      break;
+    case PANGO_ATTR_STYLE:
+      g_string_append_printf (string,"style %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    case PANGO_ATTR_WEIGHT:
+      g_string_append_printf (string,"weight %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    case PANGO_ATTR_VARIANT:
+      g_string_append_printf (string,"variant %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    case PANGO_ATTR_STRETCH:
+      g_string_append_printf (string,"stretch %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    case PANGO_ATTR_SIZE:
+      g_string_append_printf (string,"size %d\n", ((PangoAttrSize *)attr)->size);
+      break;
+    case PANGO_ATTR_FONT_DESC:
+      g_string_append_printf (string,"font %s\n", pango_font_description_to_string (((PangoAttrFontDesc *)attr)->desc));
+      break;
+    case PANGO_ATTR_FOREGROUND:
+      g_string_append_printf (string,"foreground %s\n", pango_color_to_string (&((PangoAttrColor *)attr)->color));
+      break;
+    case PANGO_ATTR_BACKGROUND:
+      g_string_append_printf (string,"background %s\n", pango_color_to_string (&((PangoAttrColor *)attr)->color));
+      break;
+    case PANGO_ATTR_UNDERLINE:
+      g_string_append_printf (string,"underline %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    case PANGO_ATTR_STRIKETHROUGH:
+      g_string_append_printf (string,"strikethrough %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    case PANGO_ATTR_RISE:
+      g_string_append_printf (string,"rise %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    case PANGO_ATTR_SHAPE:
+      g_string_append_printf (string,"shape\n");
+      break;
+    case PANGO_ATTR_SCALE:
+      g_string_append_printf (string,"scale %f\n", ((PangoAttrFloat *)attr)->value);
+      break;
+    case PANGO_ATTR_FALLBACK:
+      g_string_append_printf (string,"fallback %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    case PANGO_ATTR_LETTER_SPACING:
+      g_string_append_printf (string,"letter-spacing %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    case PANGO_ATTR_UNDERLINE_COLOR:
+      g_string_append_printf (string,"underline-color %s\n", pango_color_to_string (&((PangoAttrColor *)attr)->color));
+      break;
+    case PANGO_ATTR_STRIKETHROUGH_COLOR:
+      g_string_append_printf (string,"strikethrough-color %s\n", pango_color_to_string (&((PangoAttrColor *)attr)->color));
+      break;
+    case PANGO_ATTR_ABSOLUTE_SIZE:
+      g_string_append_printf (string,"absolute-size %d\n", ((PangoAttrSize *)attr)->size);
+      break;
+    case PANGO_ATTR_GRAVITY:
+      g_string_append_printf (string,"gravity %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    case PANGO_ATTR_GRAVITY_HINT:
+      g_string_append_printf (string,"gravity-hint %d\n", ((PangoAttrInt *)attr)->value);
+      break;
+    default:
+      g_assert_not_reached ();
+      break;
+    }
+}
+
+void
+print_attr_list (PangoAttrList *attrs, GString *string)
+{
+  PangoAttrIterator *iter;
+
+  iter = pango_attr_list_get_iterator (attrs);
+  do {
+    gint start, end;
+    GSList *list, *l;
+
+    pango_attr_iterator_range (iter, &start, &end);
+    g_string_append_printf (string, "range %d %d\n", start, end);
+    list = pango_attr_iterator_get_attrs (iter);
+    for (l = list; l; l = l->next)
+      {
+        PangoAttribute *attr = l->data;
+        print_attribute (attr, string);
+      }
+    g_slist_free_full (list, (GDestroyNotify)pango_attribute_destroy);
+  } while (pango_attr_iterator_next (iter));
+
+  pango_attr_iterator_destroy (iter);
+}
+
+void
+print_attributes (GSList *attrs, GString *string)
+{
+  GSList *l;
+
+  for (l = attrs; l; l = l->next)
+    {
+      PangoAttribute *attr = l->data;
+
+      g_string_append (string, "  ");
+      print_attribute (attr, string);
+    }
+}
+
+typedef struct
+{
+  guint ref_count;
+  GSList *attributes;
+  GSList *attributes_tail;
+} AL;
+
+GSList *
+attr_list_to_list (PangoAttrList *attrs)
+{
+  return ((AL*)attrs)->attributes;
+}