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1# 2008 July 7
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#
12# Test scripts for deliberate failures of mutex routines.
13#
14# $Id: mutex2.test,v 1.9 2008/10/07 15:25:49 drh Exp $
15
16set testdir [file dirname $argv0]
17source $testdir/tester.tcl
18ifcapable !mutex {
19  finish_test
20  return
21}
22
23# deinitialize
24#
25catch {db close}
26sqlite3_reset_auto_extension
27sqlite3_shutdown
28install_mutex_counters 1
29
30# Fix the mutex subsystem so that it will not initialize.  In other words,
31# make it so that sqlite3_initialize() always fails.
32#
33do_test mutex2-1.1 {
34  set ::disable_mutex_init 10
35  sqlite3_initialize
36} {SQLITE_IOERR}
37do_test mutex2-1.1 {
38  set ::disable_mutex_init 7
39  sqlite3_initialize
40} {SQLITE_NOMEM}
41
42proc utf16 {str} {
43  set r [encoding convertto unicode $str]
44  append r "\x00\x00"
45  return $r
46}
47
48# Now that sqlite3_initialize() is failing, try to run various APIs that
49# require that SQLite be initialized.  Verify that they fail.
50#
51do_test mutex2-2.1 {
52  set ::disable_mutex_init 7
53  set rc [catch {sqlite db test.db} msg]
54  lappend rc $msg
55} {1 {}}
56ifcapable utf16 {
57  do_test mutex2-2.2 {
58    set db2 [sqlite3_open16 [utf16 test.db] {}]
59  } {0}
60  do_test mutex2-2.3 {
61    sqlite3_complete16 [utf16 {SELECT * FROM t1;}]
62  } {7}
63}
64do_test mutex2-2.4 {
65  sqlite3_mprintf_int {This is a test %d,%d,%d} 1 2 3
66} {}
67ifcapable load_ext {
68  do_test mutex2-2.5 {
69    sqlite3_auto_extension_sqr
70  } {7}
71}
72do_test mutex2-2.6 {
73  sqlite3_reset_auto_extension
74} {}
75do_test mutex2-2.7 {
76  sqlite3_malloc 10000
77} {0}
78do_test mutex2-2.8 {
79  sqlite3_realloc 0 10000
80} {0}
81ifcapable threadsafe {
82  do_test mutex2-2.9 {
83    alloc_dealloc_mutex
84  } {0}
85}
86do_test mutex2-2.10 {
87  vfs_initfail_test
88} {}
89
90# Restore the system to a functional state
91#
92install_mutex_counters 0
93set disable_mutex_init 0
94autoinstall_test_functions
95
96# Mutex allocation works now.
97#
98
99do_test mutex2-3.1 {
100  set ptr [alloc_dealloc_mutex]
101  expr {$ptr!=0}
102} {1}
103
104
105finish_test
106