xref: /onnv-gate/usr/src/lib/libsqlite/test/ioerr.test (revision 4520:7dbeadedd7fe)
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2*4520Snw141292#pragma ident	"%Z%%M%	%I%	%E% SMI"
3*4520Snw141292
4*4520Snw141292# 2001 October 12
5*4520Snw141292#
6*4520Snw141292# The author disclaims copyright to this source code.  In place of
7*4520Snw141292# a legal notice, here is a blessing:
8*4520Snw141292#
9*4520Snw141292#    May you do good and not evil.
10*4520Snw141292#    May you find forgiveness for yourself and forgive others.
11*4520Snw141292#    May you share freely, never taking more than you give.
12*4520Snw141292#
13*4520Snw141292#***********************************************************************
14*4520Snw141292# This file implements regression tests for SQLite library.  The
15*4520Snw141292# focus of this file is testing for correct handling of I/O errors
16*4520Snw141292# such as writes failing because the disk is full.
17*4520Snw141292#
18*4520Snw141292# The tests in this file use special facilities that are only
19*4520Snw141292# available in the SQLite test fixture.
20*4520Snw141292#
21*4520Snw141292# $Id: ioerr.test,v 1.3 2003/04/25 15:37:59 drh Exp $
22*4520Snw141292
23*4520Snw141292set testdir [file dirname $argv0]
24*4520Snw141292source $testdir/tester.tcl
25*4520Snw141292
26*4520Snw141292set ::go 1
27*4520Snw141292for {set n 1} {$go} {incr n} {
28*4520Snw141292  do_test ioerr-1.$n.1 {
29*4520Snw141292    set ::sqlite_io_error_pending 0
30*4520Snw141292    db close
31*4520Snw141292    catch {file delete -force test.db}
32*4520Snw141292    catch {file delete -force test.db-journal}
33*4520Snw141292    sqlite db test.db
34*4520Snw141292    execsql {SELECT * FROM sqlite_master}
35*4520Snw141292  } {}
36*4520Snw141292  do_test ioerr-1.$n.2 [subst {
37*4520Snw141292    set ::sqlite_io_error_pending $n
38*4520Snw141292  }] $n
39*4520Snw141292  do_test ioerr-1.$n.3 {
40*4520Snw141292    set r [catch {db eval {
41*4520Snw141292      CREATE TABLE t1(a,b,c);
42*4520Snw141292      SELECT * FROM sqlite_master;
43*4520Snw141292      BEGIN TRANSACTION;
44*4520Snw141292      INSERT INTO t1 VALUES(1,2,3);
45*4520Snw141292      INSERT INTO t1 VALUES(4,5,6);
46*4520Snw141292      ROLLBACK;
47*4520Snw141292      SELECT * FROM t1;
48*4520Snw141292      BEGIN TRANSACTION;
49*4520Snw141292      INSERT INTO t1 VALUES(1,2,3);
50*4520Snw141292      INSERT INTO t1 VALUES(4,5,6);
51*4520Snw141292      COMMIT;
52*4520Snw141292      SELECT * FROM t1;
53*4520Snw141292      DELETE FROM t1 WHERE a<100;
54*4520Snw141292    }} msg]
55*4520Snw141292    # if {$r} {puts $msg}
56*4520Snw141292    set ::go [expr {$::sqlite_io_error_pending<=0}]
57*4520Snw141292    expr {$::sqlite_io_error_pending>0 || $r!=0}
58*4520Snw141292  } {1}
59*4520Snw141292}
60*4520Snw141292set ::sqlite_io_error_pending 0
61*4520Snw141292
62*4520Snw141292proc cksum {{db db}} {
63*4520Snw141292  set txt [$db eval {SELECT name, type, sql FROM sqlite_master}]\n
64*4520Snw141292  foreach tbl [$db eval {SELECT name FROM sqlite_master WHERE type='table'}] {
65*4520Snw141292    append txt [$db eval "SELECT * FROM $tbl"]\n
66*4520Snw141292  }
67*4520Snw141292  foreach prag {default_synchronous default_cache_size} {
68*4520Snw141292    append txt $prag-[$db eval "PRAGMA $prag"]\n
69*4520Snw141292  }
70*4520Snw141292  set cksum [string length $txt]-[md5 $txt]
71*4520Snw141292  # puts $cksum-[file size test.db]
72*4520Snw141292  return $cksum
73*4520Snw141292}
74*4520Snw141292
75*4520Snw141292set ::go 1
76*4520Snw141292for {set n 1} {$go} {incr n} {
77*4520Snw141292  do_test ioerr-2.$n.1 {
78*4520Snw141292    set ::sqlite_io_error_pending 0
79*4520Snw141292    db close
80*4520Snw141292    catch {file delete -force test.db}
81*4520Snw141292    catch {file delete -force test.db-journal}
82*4520Snw141292    sqlite db test.db
83*4520Snw141292    execsql {
84*4520Snw141292      BEGIN;
85*4520Snw141292      CREATE TABLE t1(a, b, c);
86*4520Snw141292      INSERT INTO t1 VALUES(1, randstr(5,50), randstr(5,50));
87*4520Snw141292      INSERT INTO t1 SELECT a+2, b||'-'||rowid, c||'-'||rowid FROM t1;
88*4520Snw141292      INSERT INTO t1 SELECT a+4, b||'-'||rowid, c||'-'||rowid FROM t1;
89*4520Snw141292      INSERT INTO t1 SELECT a+8, b||'-'||rowid, c||'-'||rowid FROM t1;
90*4520Snw141292      INSERT INTO t1 SELECT a+16, b||'-'||rowid, c||'-'||rowid FROM t1;
91*4520Snw141292      INSERT INTO t1 SELECT a+32, b||'-'||rowid, c||'-'||rowid FROM t1;
92*4520Snw141292      INSERT INTO t1 SELECT a+64, b||'-'||rowid, c||'-'||rowid FROM t1;
93*4520Snw141292      INSERT INTO t1 SELECT a+128, b||'-'||rowid, c||'-'||rowid FROM t1;
94*4520Snw141292      CREATE TABLE t2 AS SELECT * FROM t1;
95*4520Snw141292      CREATE TABLE t3 AS SELECT * FROM t1;
96*4520Snw141292      COMMIT;
97*4520Snw141292      DROP TABLE t2;
98*4520Snw141292    }
99*4520Snw141292    set ::cksum [cksum]
100*4520Snw141292    execsql {
101*4520Snw141292      SELECT name FROM sqlite_master WHERE type='table'
102*4520Snw141292    }
103*4520Snw141292  } {t1 t3}
104*4520Snw141292  do_test ioerr-2.$n.2 [subst {
105*4520Snw141292    set ::sqlite_io_error_pending $n
106*4520Snw141292  }] $n
107*4520Snw141292  do_test ioerr-2.$n.3 {
108*4520Snw141292    set r [catch {db eval {
109*4520Snw141292      VACUUM;
110*4520Snw141292    }} msg]
111*4520Snw141292    # puts "error_pending=$::sqlite_io_error_pending"
112*4520Snw141292    # if {$r} {puts $msg}
113*4520Snw141292    set ::go [expr {$::sqlite_io_error_pending<=0}]
114*4520Snw141292    expr {$::sqlite_io_error_pending>0 || $r!=0}
115*4520Snw141292    set ::sqlite_io_error_pending 0
116*4520Snw141292    db close
117*4520Snw141292    sqlite db test.db
118*4520Snw141292    cksum
119*4520Snw141292  } $cksum
120*4520Snw141292}
121*4520Snw141292set ::sqlite_io_error_pending 0
122*4520Snw141292
123*4520Snw141292finish_test
124