Test coverage improvements on tokenize.c. (CVS 2196)

FossilOrigin-Name: 5767850ccadb3b53d14bca547e50f65de1d3092e
diff --git a/test/expr.test b/test/expr.test
index 8bc66c4..94edb2c 100644
--- a/test/expr.test
+++ b/test/expr.test
@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this file is testing expressions.
 #
-# $Id: expr.test,v 1.40 2004/11/17 16:41:29 danielk1977 Exp $
+# $Id: expr.test,v 1.41 2005/01/11 17:46:42 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -543,4 +543,8 @@
 }
 set sqlite_current_time 0
 
+do_test expr-9.1 {
+  execsql {SELECT round(-('-'||'123'))}
+} 123
+
 finish_test