[gnumeric] Deps: debug code.

[Morten Welinder <mortenw src gnome org>]

commit 02635dabcb9e04a173c968a53393f528c666a837
Author: Morten Welinder <terra gnome org>
Date:   Wed Jul 1 23:13:22 2020 -0400

    Deps: debug code.

 src/dependent.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
---
diff --git a/src/dependent.c b/src/dependent.c
index 6309ba161..184f0888b 100644
--- a/src/dependent.c
+++ b/src/dependent.c
@@ -3004,6 +3004,22 @@ gnm_dep_container_new (Sheet *sheet)
 {
        GnmDepContainer *deps = g_new (GnmDepContainer, 1);
 
+       if (gnm_debug_flag ("dep-buckets")) {
+               int r, lastb = 0;
+               g_assert (bucket_start_row (0) == 0);
+               g_assert (bucket_end_row (0) >= 0);
+               g_assert (bucket_of_row (0) == 0);
+               for (r = 1; r < gnm_sheet_get_max_rows (sheet); r++) {
+                       int b = bucket_of_row (r);
+                       if (b > lastb)
+                               g_printerr ("%d -> %d\n", r, b);
+                       g_assert (b == lastb || b == lastb + 1);
+                       g_assert (bucket_start_row (b) <= r);
+                       g_assert (r <= bucket_end_row (b));
+                       lastb = b;
+               }
+       }
+
        deps->head = deps->tail = NULL;
 
        deps->buckets = 1 + bucket_of_row (gnm_sheet_get_last_row (sheet));