[tepl] Metadata unit tests

[Sébastien Wilmet <swilmet src gnome org>]

commit d9bfce60729bdc0193aee20543bc36aee18333e7
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Apr 18 02:53:23 2020 +0200

    Metadata unit tests

 testsuite/meson.build          |  2 +-
 testsuite/test-file-metadata.c | 54 ------------------------------------------
 testsuite/test-metadata.c      | 54 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 55 insertions(+), 55 deletions(-)
---
diff --git a/testsuite/meson.build b/testsuite/meson.build
index 197615f..0af9829 100644
--- a/testsuite/meson.build
+++ b/testsuite/meson.build
@@ -5,10 +5,10 @@ unit_tests = [
   'test-file',
   'test-file-content',
   'test-file-loader',
-  'test-file-metadata',
   'test-file-saver',
   'test-fold-region',
   'test-info-bar',
+  'test-metadata',
   'test-notebook',
   'test-utils'
 ]
diff --git a/testsuite/test-metadata.c b/testsuite/test-metadata.c
new file mode 100644
index 0000000..e6a9eb9
--- /dev/null
+++ b/testsuite/test-metadata.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of Tepl, a text editor library.
+ *
+ * Copyright 2020 - Sébastien Wilmet <swilmet gnome org>
+ *
+ * Tepl is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version.
+ *
+ * Tepl 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 Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <tepl/tepl.h>
+
+static void
+test_key_is_valid (void)
+{
+       g_assert_true (_tepl_metadata_key_is_valid ("gedit-spell-checking-language"));
+       g_assert_true (_tepl_metadata_key_is_valid ("gCSVedit_column_delimiter"));
+       g_assert_true (_tepl_metadata_key_is_valid ("Fourty_Two-1337"));
+       g_assert_true (_tepl_metadata_key_is_valid ("1337-beginning-with-digit"));
+       g_assert_true (_tepl_metadata_key_is_valid ("a"));
+       g_assert_true (_tepl_metadata_key_is_valid ("9"));
+
+       g_assert_true (!_tepl_metadata_key_is_valid (NULL));
+       g_assert_true (!_tepl_metadata_key_is_valid (""));
+       g_assert_true (!_tepl_metadata_key_is_valid ("metadata::gedit-spell-checking-language"));
+       g_assert_true (!_tepl_metadata_key_is_valid ("foo:bar"));
+       g_assert_true (!_tepl_metadata_key_is_valid ("foo::bar"));
+       g_assert_true (!_tepl_metadata_key_is_valid ("Évolution-UTF-8"));
+       g_assert_true (!_tepl_metadata_key_is_valid ("a space"));
+       g_assert_true (!_tepl_metadata_key_is_valid ("\t"));
+
+       g_assert_true (!g_utf8_validate ("\xFF", -1, NULL));
+       g_assert_true (!_tepl_metadata_key_is_valid ("\xFF"));
+}
+
+int
+main (int    argc,
+      char **argv)
+{
+       g_test_init (&argc, &argv, NULL);
+
+       g_test_add_func ("/metadata/key_is_valid", test_key_is_valid);
+
+       return g_test_run ();
+}