From 75e1da1f2d382872b941fe1eb3edbb38d46dde6c Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Thu, 19 Nov 2020 17:28:47 +0300
Subject: [PATCH] mdbx-test: fix speculum-check iterator.

Change-Id: Idaeea908fdcd7b2c1248ae10eeb7f394d69bb987
---
 test/test.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/test.cc b/test/test.cc
index f23858f8..8541dfa6 100644
--- a/test/test.cc
+++ b/test/test.cc
@@ -749,8 +749,8 @@ void testcase::speculum_check_cursor(const char *where, const char *stage,
   MDBX_val cursor_key = {};
   MDBX_val cursor_data = {};
   int err;
-  if (std::next(it) == speculum.end() && op == MDBX_PREV &&
-      (config.params.table_flags & MDBX_DUPSORT)) {
+  if (it != speculum.end() && std::next(it) == speculum.end() &&
+      op == MDBX_PREV && (config.params.table_flags & MDBX_DUPSORT)) {
     /* Workaround for MDBX/LMDB flaw */
     err = mdbx_cursor_get(cursor, &cursor_key, &cursor_data, MDBX_LAST);
     if (err == MDBX_SUCCESS)