[gtksourceview/wip/improve-bracket-matching] buffer: write unit tests for the bracket matching

[Sébastien Wilmet <swilmet src gnome org>]

commit fc34750392d9bbe08bd69d92a27f28a2fb1087fd
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Oct 22 14:56:22 2015 +0200

    buffer: write unit tests for the bracket matching

 tests/test-buffer.c |   49 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 48 insertions(+), 1 deletions(-)
---
diff --git a/tests/test-buffer.c b/tests/test-buffer.c
index 958587c..9abfd1f 100644
--- a/tests/test-buffer.c
+++ b/tests/test-buffer.c
@@ -22,8 +22,8 @@
  */
 
 #include <stdlib.h>
-#include <gtk/gtk.h>
 #include <gtksourceview/gtksource.h>
+#include "gtksourceview/gtksourcebuffer-private.h"
 
 static const char *c_snippet =
        "#include <foo.h>\n"
@@ -279,6 +279,52 @@ test_sort_lines (void)
        g_object_unref (buffer);
 }
 
+static void
+do_test_bracket_matching (GtkSourceBuffer           *source_buffer,
+                         const gchar               *text,
+                         gint                       offset_before,
+                         gint                       expected_offset_after,
+                         GtkSourceBracketMatchType  expected_result)
+{
+       GtkTextBuffer *text_buffer = GTK_TEXT_BUFFER (source_buffer);
+       GtkTextIter iter;
+       GtkSourceBracketMatchType result;
+       gint offset_after;
+
+       gtk_text_buffer_set_text (text_buffer, text, -1);
+
+       gtk_text_buffer_get_iter_at_offset (text_buffer, &iter, offset_before);
+
+       result = _gtk_source_buffer_find_bracket_match (source_buffer, &iter);
+       g_assert_cmpint (result, ==, expected_result);
+
+       offset_after = gtk_text_iter_get_offset (&iter);
+       g_assert_cmpint (offset_after, ==, expected_offset_after);
+}
+
+static void
+test_bracket_matching (void)
+{
+       GtkSourceBuffer *buffer;
+       GtkSourceLanguageManager *language_manager;
+       GtkSourceLanguage *c_language;
+
+       buffer = gtk_source_buffer_new (NULL);
+
+       language_manager = gtk_source_language_manager_get_default ();
+       c_language = gtk_source_language_manager_get_language (language_manager, "c");
+       g_assert (c_language != NULL);
+       gtk_source_buffer_set_language (buffer, c_language);
+
+       do_test_bracket_matching (buffer, "(ab)", 0, 3, GTK_SOURCE_BRACKET_MATCH_FOUND);
+       do_test_bracket_matching (buffer, "(ab)", 1, 3, GTK_SOURCE_BRACKET_MATCH_FOUND);
+       do_test_bracket_matching (buffer, "(ab)", 2, 2, GTK_SOURCE_BRACKET_MATCH_NONE);
+       do_test_bracket_matching (buffer, "(ab)", 3, 0, GTK_SOURCE_BRACKET_MATCH_FOUND);
+       do_test_bracket_matching (buffer, "(ab)", 4, 0, GTK_SOURCE_BRACKET_MATCH_FOUND);
+
+       g_object_unref (buffer);
+}
+
 int
 main (int argc, char** argv)
 {
@@ -291,6 +337,7 @@ main (int argc, char** argv)
        g_test_add_func ("/Buffer/change-case", test_change_case);
        g_test_add_func ("/Buffer/join-lines", test_join_lines);
        g_test_add_func ("/Buffer/sort-lines", test_sort_lines);
+       g_test_add_func ("/Buffer/bracket-matching", test_bracket_matching);
 
        return g_test_run();
 }