xref: /sqlite-3.40.0/ext/session/sessionmem.test (revision a2560ce9)
1# 2020 December 23
2#
3# The author disclaims copyright to this source code.  In place of
4# a legal notice, here is a blessing:
5#
6#    May you do good and not evil.
7#    May you find forgiveness for yourself and forgive others.
8#    May you share freely, never taking more than you give.
9#
10#***********************************************************************
11# This file implements regression tests for the SQLite sessions module
12# Specifically, for the sqlite3session_memory_used() API.
13#
14
15if {![info exists testdir]} {
16  set testdir [file join [file dirname [info script]] .. .. test]
17}
18source [file join [file dirname [info script]] session_common.tcl]
19source $testdir/tester.tcl
20ifcapable !session {finish_test; return}
21
22set testprefix sessionmem
23
24do_execsql_test 1.0 {
25  CREATE TABLE t1(i INTEGER PRIMARY KEY, x, y);
26  CREATE TABLE t2(i INTEGER, x, y, PRIMARY KEY(x, y));
27}
28
29do_test 1.1 {
30  sqlite3session S db main
31  S attach *
32} {}
33
34foreach {tn sql eRes} {
35  1 { INSERT INTO t1 VALUES(1, 2, 3) } 1
36  2 { UPDATE t1 SET x=5 }                    0
37  3 { UPDATE t1 SET i=5 }                    1
38  4 { DELETE FROM t1 }                       0
39  5 { INSERT INTO t1 VALUES(1, 2, 3) }       0
40  6 { INSERT INTO t1 VALUES(5, 2, 3) }       0
41  7 { INSERT INTO t2 VALUES('a', 'b', 'c') } 1
42  8 { INSERT INTO t2 VALUES('d', 'e', 'f') } 1
43  9 { UPDATE t2 SET i='e' }                  0
44} {
45  set mem1 [S memory_used]
46  do_test 1.2.$tn.(mu=$mem1) {
47    execsql $sql
48    set mem2 [S memory_used]
49    expr {$mem2 > $mem1}
50  } $eRes
51}
52
53do_test 1.3 {
54  S delete
55} {}
56
57finish_test
58