# 2004 November 22
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#*************************************************************************
# This file implements regression tests for SQLite library. The
# focus of this script is DECLARE...CURSOR functionality
#
# $Id: cursor.test,v 1.2 2004/11/23 01:47:31 drh Exp $
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# If SQLITE_OMIT_CURSOR is defined, omit this file.
ifcapable {!cursor} {
finish_test
return
}
########
# Test the logic that creates and destroys cursors
########
do_test cursor-1.1 {
execsql {
CREATE TABLE t1(a,b,c);
CREATE INDEX t1i1 ON t1(a);
CREATE INDEX t1i2 ON t1(b,c);
}
execsql {
DECLARE c1 CURSOR FOR SELECT c FROM t1 ORDER BY a;
}
} {}
ifcapable schema_pragmas {
do_test cursor-1.2 {
execsql {PRAGMA cursor_list}
} {0 c1}
}
do_test cursor-1.3 {
execsql {
DECLARE c2 CURSOR FOR SELECT a FROM t1 ORDER BY b, c;
}
} {}
ifcapable schema_pragmas {
do_test cursor-1.4 {
execsql {PRAGMA cursor_list}
} {0 c1 1 c2}
}
do_test cursor-1.5 {
catchsql {
CLOSE c3;
}
} {1 {no such cursor: c3}}
ifcapable schema_pragmas {
do_test cursor-1.6 {
execsql {PRAGMA cursor_list}
} {0 c1 1 c2}
}
do_test cursor-1.7 {
catchsql {
CLOSE c1;
}
} {0 {}}
ifcapable schema_pragmas {
do_test cursor-1.8 {
execsql {PRAGMA cursor_list}
} {1 c2}
}
do_test cursor-1.9 {
catchsql {
CLOSE c1;
}
} {1 {no such cursor: c1}}
ifcapable schema_pragmas {
do_test cursor-1.10 {
execsql {PRAGMA cursor_list}
} {1 c2}
}
do_test cursor-1.11 {
catchsql {
DECLARE c2 CURSOR FOR SELECT * FROM t1;
}
} {1 {another cursor named c2 already exists}}
do_test cursor-1.12 {
catchsql {
DECLARE c3 CURSOR FOR SELECT * FROM t1;
}
} {0 {}}
ifcapable schema_pragmas {
do_test cursor-1.13 {
execsql {PRAGMA cursor_list}
} {0 c3 1 c2}
}
do_test cursor-1.14 {
execsql {
CLOSE c2;
CLOSE c3;
}
} {}
ifcapable schema_pragmas {
do_test cursor-1.15 {
execsql {PRAGMA cursor_list}
} {}
}
set all {}
for {set i 1} {$i<=50} {incr i} {
lappend all [expr {$i-1}] x$i
do_test cursor-2.1.$i.1 {
execsql "DECLARE x$i CURSOR FOR SELECT * FROM t1"
} {}
ifcapable schema_pragmas {
do_test cursor-2.1.$i.2 {
execsql {PRAGMA cursor_list}
} $all
}
}
for {set i 1} {$i<=50} {incr i} {
set all [lrange $all 2 end]
do_test cursor-2.2.$i.1 {
execsql "CLOSE x$i"
} {}
ifcapable schema_pragmas {
do_test cursor-2.2.$i.2 {
execsql {PRAGMA cursor_list}
} $all
}
}
finish_test