[pango/soft-hyphen: 1/5] Add a test for log attrs
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [pango/soft-hyphen: 1/5] Add a test for log attrs
- Date: Sun, 7 Jul 2019 02:29:18 +0000 (UTC)
commit beb193ec69d9529e45a0b75e1ded8b15a8227112
Author: Matthias Clasen <mclasen redhat com>
Date: Sat Jul 6 15:34:03 2019 -0400
Add a test for log attrs
This is useful for exploring line breaking.
tests/meson.build | 1 +
tests/test-break.c | 212 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 213 insertions(+)
---
diff --git a/tests/meson.build b/tests/meson.build
index ef97970f..77a4e832 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -22,6 +22,7 @@ tests = [
[ 'testcolor' ],
[ 'testscript' ],
[ 'cxx-test', [ 'cxx-test.cpp' ] ],
+ [ 'test-break' ],
]
if build_pangoft2
diff --git a/tests/test-break.c b/tests/test-break.c
new file mode 100644
index 00000000..a77a7f34
--- /dev/null
+++ b/tests/test-break.c
@@ -0,0 +1,212 @@
+/* Pango
+ * test-break.c: Test Pango line breaking
+ *
+ * Copyright (C) 2019 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 "test-common.h"
+
+
+static PangoContext *context;
+
+static void
+test_file (const gchar *filename, GString *string)
+{
+ gchar *contents;
+ gsize length;
+ GError *error = NULL;
+ PangoLogAttr *attrs;
+ PangoLanguage *lang;
+ int len;
+ char *p;
+ int i;
+ GString *s2;
+
+ if (!g_file_get_contents (filename, &contents, &length, &error))
+ {
+ fprintf (stderr, "%s\n", error->message);
+ g_error_free (error);
+ return;
+ }
+
+ len = g_utf8_strlen (contents, -1) + 1;
+ attrs = g_new (PangoLogAttr, len);
+
+ lang = pango_language_from_string ("en");
+
+ pango_get_log_attrs (contents, length, -1, lang, attrs, len);
+
+ s2 = g_string_new ("");
+
+ for (i = 0, p = contents; i < len; i++, p = g_utf8_next_char (p))
+ {
+ PangoLogAttr log = attrs[i];
+ if (log.is_mandatory_break)
+ {
+ g_string_append (string, " ");
+ g_string_append (s2, "L");
+ }
+ else if (log.is_line_break)
+ {
+ g_string_append (string, " ");
+ g_string_append (s2, "l");
+ }
+ if (log.is_char_break)
+ {
+ g_string_append (string, " ");
+ g_string_append (s2, "c");
+ }
+ if (log.is_white)
+ {
+ g_string_append (string, " ");
+ g_string_append (s2, "w");
+ }
+ if (log.is_expandable_space)
+ {
+ g_string_append (string, " ");
+ g_string_append (s2, "x");
+ }
+ if (i < len - 1)
+ {
+ gunichar ch = g_utf8_get_char (p);
+ if (ch == 0x20)
+ {
+ g_string_append (string, "[ ]");
+ g_string_append (s2, " ");
+ }
+ else if (g_unichar_isprint (ch))
+ {
+ g_string_append_unichar (string, ch);
+ g_string_append (s2, " ");
+ }
+ else
+ {
+ g_string_append_printf (string, "[%#04x]", ch);
+ g_string_append (s2, " ");
+ }
+ }
+ }
+ g_string_append (string, "\n");
+ g_string_append_len (string, s2->str, s2->len);
+ g_string_append (string, "\n");
+ g_string_free (s2, TRUE);
+
+ g_free (attrs);
+ g_free (contents);
+}
+
+static gchar *
+get_expected_filename (const gchar *filename)
+{
+ gchar *f, *p, *expected;
+
+ f = g_strdup (filename);
+ p = strstr (f, ".break");
+ if (p)
+ *p = 0;
+ expected = g_strconcat (f, ".expected", NULL);
+
+ g_free (f);
+
+ return expected;
+}
+
+static void
+test_break (gconstpointer d)
+{
+ const gchar *filename = d;
+ gchar *expected_file;
+ GError *error = NULL;
+ GString *dump;
+ gchar *diff;
+
+ expected_file = get_expected_filename (filename);
+
+ dump = g_string_sized_new (0);
+
+ test_file (filename, dump);
+
+ //diff = diff_with_file (expected_file, dump->str, dump->len, &error);
+ g_assert_no_error (error);
+
+ if (diff && diff[0])
+ {
+ g_printerr ("Contents don't match expected contents:\n%s", diff);
+ g_test_fail ();
+ g_free (diff);
+ }
+
+ g_string_free (dump, TRUE);
+ g_free (expected_file);
+}
+
+int
+main (int argc, char *argv[])
+{
+ GDir *dir;
+ GError *error = NULL;
+ const gchar *name;
+ gchar *path;
+
+ g_setenv ("LC_ALL", "en_US.UTF-8", TRUE);
+ setlocale (LC_ALL, "");
+
+ g_test_init (&argc, &argv, NULL);
+
+ context = pango_context_new ();
+
+ /* allow to easily generate expected output for new test cases */
+ if (argc > 1)
+ {
+ GString *string;
+
+ string = g_string_sized_new (0);
+ test_file (argv[1], string);
+ printf ("%s", string->str);
+
+ return 0;
+ }
+
+ path = g_test_build_filename (G_TEST_DIST, "breaks", NULL);
+ dir = g_dir_open (path, 0, &error);
+ g_free (path);
+ g_assert_no_error (error);
+ while ((name = g_dir_read_name (dir)) != NULL)
+ {
+ if (!strstr (name, "break"))
+ continue;
+
+ path = g_strdup_printf ("/break/%s", name);
+ g_test_add_data_func_full (path, g_test_build_filename (G_TEST_DIST, "breaks", name, NULL),
+ test_break, g_free);
+ g_free (path);
+ }
+ g_dir_close (dir);
+
+ return g_test_run ();
+}
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