xref: /sqlite-3.40.0/test/async2.test (revision cd7274ce) 
1#
2#    May you do good and not evil.
3#    May you find forgiveness for yourself and forgive others.
4#    May you share freely, never taking more than you give.
5#
6#***********************************************************************
7#
8# $Id: async2.test,v 1.9 2007/11/05 17:01:08 danielk1977 Exp $
9
10
11set testdir [file dirname $argv0]
12source $testdir/tester.tcl
13
14if {
15  [info commands sqlite3async_enable]=="" ||
16  [info command sqlite3_memdebug_fail]==""
17} {
18  # The async logic is not built into this system
19  puts "Skipping async2 tests: not compiled with required features"
20  finish_test
21  return
22}
23
24# Enable asynchronous IO.
25
26set setup_script {
27  CREATE TABLE counter(c);
28  INSERT INTO counter(c) VALUES (1);
29}
30
31set sql_script {
32  BEGIN;
33    UPDATE counter SET c = 2;
34    CREATE TABLE t1(a PRIMARY KEY, b, c);
35    CREATE TABLE t2(a PRIMARY KEY, b, c);
36  COMMIT;
37
38  BEGIN;
39    UPDATE counter SET c = 3;
40    INSERT INTO t1 VALUES('abcdefghij', 'four', 'score');
41    INSERT INTO t2 VALUES('klmnopqrst', 'and', 'seven');
42  COMMIT;
43
44  UPDATE counter SET c = 'FIN';
45}
46
47db close
48
49foreach err [list ioerr malloc-transient malloc-persistent] {
50  set ::go 1
51  for {set n 1} {$::go} {incr n} {
52    set ::sqlite_io_error_pending 0
53    sqlite3_memdebug_fail -1
54    file delete -force test.db test.db-journal
55    sqlite3 db test.db
56    execsql $::setup_script
57    db close
58
59    sqlite3async_enable 1
60    sqlite3 db test.db
61
62    switch -- $err {
63      ioerr             { set ::sqlite_io_error_pending $n }
64      malloc-persistent { sqlite3_memdebug_fail $n -repeat 1 }
65      malloc-transient  { sqlite3_memdebug_fail $n -repeat 0 }
66    }
67
68    catchsql $::sql_script
69    db close
70
71    sqlite3async_halt idle
72    sqlite3async_start
73    sqlite3async_wait
74    sqlite3async_halt never
75    sqlite3async_enable 0
76
77    set ::sqlite_io_error_pending 0
78    sqlite3_memdebug_fail -1
79
80    sqlite3 db test.db
81    set c [db eval {SELECT c FROM counter LIMIT 1}]
82    switch -- $c {
83      1 {
84        do_test async-$err-1.1.$n {
85          execsql {
86            SELECT name FROM sqlite_master;
87          }
88        } {counter}
89      }
90      2 {
91        do_test async-$err-1.2.$n.1 {
92          execsql {
93            SELECT * FROM t1;
94          }
95        } {}
96        do_test async-$err-1.2.$n.2 {
97          execsql {
98            SELECT * FROM t2;
99          }
100        } {}
101      }
102      3 {
103        do_test async-$err-1.3.$n.1 {
104          execsql {
105            SELECT * FROM t1;
106          }
107        } {abcdefghij four score}
108        do_test async-$err-1.3.$n.2 {
109          execsql {
110            SELECT * FROM t2;
111          }
112        } {klmnopqrst and seven}
113      }
114      FIN {
115        set ::go 0
116      }
117    }
118
119    db close
120  }
121}
122
123catch {db close}
124sqlite3async_halt idle
125sqlite3async_start
126sqlite3async_wait
127sqlite3async_halt never
128
129finish_test
130