[gnome-builder] sourceview: cleanup assertions

[Christian Hergert <chergert src gnome org>]

commit 5bb2582e91a144d4419a78ef0ee93e80aee6eb62
Author: Christian Hergert <chergert redhat com>
Date:   Tue May 16 17:41:46 2017 -0700

    sourceview: cleanup assertions

 libide/sourceview/ide-source-view.c |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)
---
diff --git a/libide/sourceview/ide-source-view.c b/libide/sourceview/ide-source-view.c
index 878c44d..2a92296 100644
--- a/libide/sourceview/ide-source-view.c
+++ b/libide/sourceview/ide-source-view.c
@@ -536,9 +536,11 @@ get_rect_for_iters (GtkTextView       *text_view,
   GtkTextIter iter;
 
   g_assert (GTK_IS_TEXT_VIEW (text_view));
-  g_assert (iter1);
-  g_assert (iter2);
-  g_assert (rect);
+  g_assert (iter1 != NULL);
+  g_assert (iter2 != NULL);
+  g_assert (rect != NULL);
+  g_assert (gtk_text_iter_get_buffer (iter1) == gtk_text_iter_get_buffer (iter2));
+  g_assert (gtk_text_view_get_buffer (text_view) == gtk_text_iter_get_buffer (iter1));
 
   begin = *iter1;
   end = *iter2;
@@ -597,8 +599,8 @@ animate_expand (IdeSourceView     *self,
   GdkRectangle rect = { 0 };
 
   g_assert (IDE_IS_SOURCE_VIEW (self));
-  g_assert (begin);
-  g_assert (end);
+  g_assert (begin != NULL);
+  g_assert (end != NULL);
 
   get_rect_for_iters (GTK_TEXT_VIEW (self), begin, end, &rect, GTK_TEXT_WINDOW_WIDGET);
   gtk_widget_get_allocation (GTK_WIDGET (self), &alloc);