[gspell] testsuite: test text deletion with the InlineCheckerTextBuffer

[Sébastien Wilmet <swilmet src gnome org>]

commit 601438b194088a4a26769ae656d74dc0c0f7a3eb
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Feb 11 17:23:59 2016 +0100

    testsuite: test text deletion with the InlineCheckerTextBuffer

 testsuite/test-inline-checker-text-buffer.c |   86 +++++++++++++++++++++++++++
 1 files changed, 86 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/test-inline-checker-text-buffer.c b/testsuite/test-inline-checker-text-buffer.c
index d1e0da5..c153cfb 100644
--- a/testsuite/test-inline-checker-text-buffer.c
+++ b/testsuite/test-inline-checker-text-buffer.c
@@ -211,6 +211,89 @@ test_text_insertion (void)
        g_object_unref (buffer);
 }
 
+static void
+test_text_deletion (void)
+{
+       GtkTextBuffer *buffer;
+       GspellInlineCheckerTextBuffer *inline_checker;
+       GtkTextIter start;
+       GtkTextIter end;
+
+       buffer = create_buffer ();
+       gtk_text_buffer_set_text (buffer, "Test againnn againnn.", -1);
+
+       inline_checker = _gspell_inline_checker_text_buffer_new (buffer);
+       _gspell_inline_checker_text_buffer_set_unit_test_mode (inline_checker, TRUE);
+
+       check_highlighted_words (buffer,
+                                inline_checker,
+                                5, 12,
+                                13, 20,
+                                -1);
+
+       /* Modify end of word: misspelled -> still misspelled.
+        * First "againnn" -> "againn"
+        */
+       gtk_text_buffer_get_iter_at_offset (buffer, &start, 11);
+       gtk_text_buffer_get_iter_at_offset (buffer, &end, 12);
+       gtk_text_buffer_delete (buffer, &start, &end);
+
+       check_highlighted_words (buffer,
+                                inline_checker,
+                                5, 11,
+                                12, 19,
+                                -1);
+
+       /* Modify end of word: misspelled -> correctly spelled.
+        * "againn" -> "again"
+        */
+       gtk_text_buffer_get_iter_at_offset (buffer, &start, 10);
+       gtk_text_buffer_get_iter_at_offset (buffer, &end, 11);
+       gtk_text_buffer_delete (buffer, &start, &end);
+
+       check_highlighted_words (buffer,
+                                inline_checker,
+                                11, 18,
+                                -1);
+
+       /* Modify middle of word: misspelled -> correctly spelled.
+        * Second "agai[nn]n" -> "again"
+        */
+       gtk_text_buffer_get_iter_at_offset (buffer, &start, 15);
+       gtk_text_buffer_get_iter_at_offset (buffer, &end, 17);
+       gtk_text_buffer_delete (buffer, &start, &end);
+
+       check_highlighted_words (buffer, inline_checker, -1);
+
+       /* Modify word: correctly spelled -> misspelled.
+        * Second "again" -> "agan"
+        */
+       gtk_text_buffer_get_iter_at_offset (buffer, &start, 14);
+       gtk_text_buffer_get_iter_at_offset (buffer, &end, 15);
+       gtk_text_buffer_delete (buffer, &start, &end);
+
+       check_highlighted_words (buffer,
+                                inline_checker,
+                                11, 15,
+                                -1);
+
+       /* Collapse two correctly spelled words to form a misspelled word.
+        * "Test again" -> "Testagain"
+        */
+       gtk_text_buffer_get_iter_at_offset (buffer, &start, 4);
+       gtk_text_buffer_get_iter_at_offset (buffer, &end, 5);
+       gtk_text_buffer_delete (buffer, &start, &end);
+
+       check_highlighted_words (buffer,
+                                inline_checker,
+                                0, 9,
+                                10, 14,
+                                -1);
+
+       g_object_unref (inline_checker);
+       g_object_unref (buffer);
+}
+
 gint
 main (gint    argc,
       gchar **argv)
@@ -223,5 +306,8 @@ main (gint    argc,
        g_test_add_func ("/inline-checker-text-buffer/text-insertion",
                         test_text_insertion);
 
+       g_test_add_func ("/inline-checker-text-buffer/text-deletion",
+                        test_text_deletion);
+
        return g_test_run ();
 }