[pygobject] Add test case for Gtk.TextIter.forward_search()

[Martin Pitt <martinpitt src gnome org>]

commit 94e5d58e7794de91d3291e0e51c42070da4fc92b
Author: Martin Pitt <martinpitt gnome org>
Date:   Mon Jul 30 11:58:24 2012 +0200

    Add test case for Gtk.TextIter.forward_search()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=679415

 tests/test_overrides.py |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/tests/test_overrides.py b/tests/test_overrides.py
index c1f6968..3d25d52 100644
--- a/tests/test_overrides.py
+++ b/tests/test_overrides.py
@@ -1761,6 +1761,25 @@ class TestGtk(unittest.TestCase):
         self.assertFalse(start.ends_tag())
         self.assertFalse(start.toggles_tag())
 
+    def test_text_buffer_search(self):
+        buffer = Gtk.TextBuffer()
+        buffer.set_text('Hello World Hello GNOME')
+
+        i = buffer.get_iter_at_offset(0)
+        self.assertTrue(isinstance(i, Gtk.TextIter))
+
+        self.assertEqual(i.forward_search('world', 0, None), None)
+
+        (start, end) = i.forward_search('World', 0, None)
+        self.assertEqual(start.get_offset(), 6)
+        self.assertEqual(end.get_offset(), 11)
+
+        (start, end) = i.forward_search('world',
+                                        Gtk.TextSearchFlags.CASE_INSENSITIVE,
+                                        None)
+        self.assertEqual(start.get_offset(), 6)
+        self.assertEqual(end.get_offset(), 11)
+
     def test_buttons(self):
         self.assertEqual(Gtk.Button, overrides.Gtk.Button)