From 4afe95cda7473642a50027b07785e7e6b2ed66a5 Mon Sep 17 00:00:00 2001
From: Sears Russell <sears@cs.berkeley.edu>
Date: Wed, 1 Oct 2008 15:57:29 +0000
Subject: [PATCH] unit test was setting page lsns to invalid values, breaking
 truncation

---
 test/stasis/check_bufferManager.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/test/stasis/check_bufferManager.c b/test/stasis/check_bufferManager.c
index c632ad8..fe7a9f3 100644
--- a/test/stasis/check_bufferManager.c
+++ b/test/stasis/check_bufferManager.c
@@ -141,8 +141,11 @@ void * workerThreadWriting(void * q) {
     writelock(p->rwlatch,0);
     /*    sched_yield(); */
     assert(stasis_record_length_read(xid,p,rids[i]) == sizeof(int));
-    stasis_record_write(1, p, p->LSN+1, rids[i], (byte*)&val); 
-    stasis_page_lsn_write(1,p,p->LSN+1);
+    lsn_t lsn = stasis_page_lsn_read(p);
+    assert(lsn);
+    p->LSN --; // XXX HACK -- Sooner or later this will break...
+    stasis_record_write(1, p, lsn, rids[i], (byte*)&val); 
+    stasis_page_lsn_write(1,p,lsn);
     unlock(p->rwlatch);
 
     assert(p->id == rids[i].page);