[glib] Some more utf8 tests

[Matthias Clasen <matthiasc src gnome org>]

commit db5bd7b90b78508b8be448b8cd5de7735b3ca520
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jun 20 23:35:31 2010 -0400

    Some more utf8 tests

 glib/tests/Makefile.am |    3 +
 glib/tests/utf8-misc.c |   99 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 102 insertions(+), 0 deletions(-)
---
diff --git a/glib/tests/Makefile.am b/glib/tests/Makefile.am
index 8c5097e..894c11f 100644
--- a/glib/tests/Makefile.am
+++ b/glib/tests/Makefile.am
@@ -77,6 +77,9 @@ utf8_pointer_LDADD       = $(progs_ldadd)
 TEST_PROGS         += utf8-validate
 utf8_validate_LDADD       = $(progs_ldadd)
 
+TEST_PROGS         += utf8-misc
+utf8_misc_LDADD       = $(progs_ldadd)
+
 if OS_UNIX
 
 # some testing of gtester funcitonality
diff --git a/glib/tests/utf8-misc.c b/glib/tests/utf8-misc.c
new file mode 100644
index 0000000..d8f6c5a
--- /dev/null
+++ b/glib/tests/utf8-misc.c
@@ -0,0 +1,99 @@
+/* Unit tests for utilities
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This work is provided "as is"; redistribution and modification
+ * in whole or in part, in any medium, physical or electronic is
+ * permitted without restriction.
+ *
+ * This work 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.
+ *
+ * In no event shall the authors or contributors be liable for any
+ * direct, indirect, incidental, special, exemplary, or consequential
+ * damages (including, but not limited to, procurement of substitute
+ * goods or services; loss of use, data, or profits; or business
+ * interruption) however caused and on any theory of liability, whether
+ * in contract, strict liability, or tort (including negligence or
+ * otherwise) arising in any way out of the use of this software, even
+ * if advised of the possibility of such damage.
+ *
+ * Author: Matthias Clasen
+ */
+
+#include "glib.h"
+
+static void
+test_utf8_strlen (void)
+{
+  const gchar *string = "\xe2\x82\xa0gh\xe2\x82\xa4jl";
+
+  g_assert_cmpint (g_utf8_strlen (string, -1), ==, 6);
+  g_assert_cmpint (g_utf8_strlen (string, 0), ==, 0);
+  g_assert_cmpint (g_utf8_strlen (string, 1), ==, 0);
+  g_assert_cmpint (g_utf8_strlen (string, 2), ==, 0);
+  g_assert_cmpint (g_utf8_strlen (string, 3), ==, 1);
+  g_assert_cmpint (g_utf8_strlen (string, 4), ==, 2);
+  g_assert_cmpint (g_utf8_strlen (string, 5), ==, 3);
+  g_assert_cmpint (g_utf8_strlen (string, 6), ==, 3);
+  g_assert_cmpint (g_utf8_strlen (string, 7), ==, 3);
+  g_assert_cmpint (g_utf8_strlen (string, 8), ==, 4);
+  g_assert_cmpint (g_utf8_strlen (string, 9), ==, 5);
+  g_assert_cmpint (g_utf8_strlen (string, 10), ==, 6);
+}
+
+static void
+test_utf8_strncpy (void)
+{
+  const gchar *string = "\xe2\x82\xa0gh\xe2\x82\xa4jl";
+  gchar dest[20];
+
+  g_utf8_strncpy (dest, string, 0);
+  g_assert_cmpstr (dest, ==, "");
+
+  g_utf8_strncpy (dest, string, 1);
+  g_assert_cmpstr (dest, ==, "\xe2\x82\xa0");
+
+  g_utf8_strncpy (dest, string, 2);
+  g_assert_cmpstr (dest, ==, "\xe2\x82\xa0g");
+
+  g_utf8_strncpy (dest, string, 3);
+  g_assert_cmpstr (dest, ==, "\xe2\x82\xa0gh");
+
+  g_utf8_strncpy (dest, string, 4);
+  g_assert_cmpstr (dest, ==, "\xe2\x82\xa0gh\xe2\x82\xa4");
+
+  g_utf8_strncpy (dest, string, 5);
+  g_assert_cmpstr (dest, ==, "\xe2\x82\xa0gh\xe2\x82\xa4j");
+
+  g_utf8_strncpy (dest, string, 6);
+  g_assert_cmpstr (dest, ==, "\xe2\x82\xa0gh\xe2\x82\xa4jl");
+
+  g_utf8_strncpy (dest, string, 20);
+  g_assert_cmpstr (dest, ==, "\xe2\x82\xa0gh\xe2\x82\xa4jl");
+}
+
+static void
+test_utf8_strrchr (void)
+{
+  const gchar *string = "\xe2\x82\xa0gh\xe2\x82\xa4jl\xe2\x82\xa4jl";
+
+  g_assert (g_utf8_strrchr (string, -1, 'j') == string + 13);
+  g_assert (g_utf8_strrchr (string, -1, 8356) == string + 10);
+  g_assert (g_utf8_strrchr (string, 9, 8356) == string + 5);
+  g_assert (g_utf8_strrchr (string, 3, 'j') == NULL);
+  g_assert (g_utf8_strrchr (string, -1, 'x') == NULL);
+}
+
+int
+main (int   argc,
+      char *argv[])
+{
+  g_test_init (&argc, &argv, NULL);
+
+  g_test_add_func ("/utf8/strlen", test_utf8_strlen);
+  g_test_add_func ("/utf8/strncpy", test_utf8_strncpy);
+  g_test_add_func ("/utf8/strrchr", test_utf8_strrchr);
+
+  return g_test_run();
+}