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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 |
| 16 set testdir [file dirname $argv0] |
| 17 source $testdir/tester.tcl |
| 18 ifcapable !mutex { |
| 19 finish_test |
| 20 return |
| 21 } |
| 22 |
| 23 # deinitialize |
| 24 # |
| 25 catch {db close} |
| 26 sqlite3_reset_auto_extension |
| 27 sqlite3_shutdown |
| 28 install_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 # |
| 33 do_test mutex2-1.1 { |
| 34 set ::disable_mutex_init 10 |
| 35 sqlite3_initialize |
| 36 } {SQLITE_IOERR} |
| 37 do_test mutex2-1.1 { |
| 38 set ::disable_mutex_init 7 |
| 39 sqlite3_initialize |
| 40 } {SQLITE_NOMEM} |
| 41 |
| 42 proc 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 # |
| 51 do_test mutex2-2.1 { |
| 52 set ::disable_mutex_init 7 |
| 53 set rc [catch {sqlite db test.db} msg] |
| 54 lappend rc $msg |
| 55 } {1 {}} |
| 56 ifcapable utf16 { |
| 57 do_test mutex2-2.2 { |
| 58 set db2 [sqlite3_open16 [utf16 test.db] {}] |
| 59 } {0} |
| 60 do_test mutex2-2.3 { |
| 61 sqlite3_complete16 [utf16 {SELECT * FROM t1;}] |
| 62 } {7} |
| 63 } |
| 64 do_test mutex2-2.4 { |
| 65 sqlite3_mprintf_int {This is a test %d,%d,%d} 1 2 3 |
| 66 } {} |
| 67 ifcapable load_ext { |
| 68 do_test mutex2-2.5 { |
| 69 sqlite3_auto_extension_sqr |
| 70 } {7} |
| 71 } |
| 72 do_test mutex2-2.6 { |
| 73 sqlite3_reset_auto_extension |
| 74 } {} |
| 75 do_test mutex2-2.7 { |
| 76 sqlite3_malloc 10000 |
| 77 } {0} |
| 78 do_test mutex2-2.8 { |
| 79 sqlite3_realloc 0 10000 |
| 80 } {0} |
| 81 ifcapable threadsafe { |
| 82 do_test mutex2-2.9 { |
| 83 alloc_dealloc_mutex |
| 84 } {0} |
| 85 } |
| 86 do_test mutex2-2.10 { |
| 87 vfs_initfail_test |
| 88 } {} |
| 89 |
| 90 # Restore the system to a functional state |
| 91 # |
| 92 install_mutex_counters 0 |
| 93 set disable_mutex_init 0 |
| 94 autoinstall_test_functions |
| 95 |
| 96 # Mutex allocation works now. |
| 97 # |
| 98 |
| 99 do_test mutex2-3.1 { |
| 100 set ptr [alloc_dealloc_mutex] |
| 101 expr {$ptr!=0} |
| 102 } {1} |
| 103 |
| 104 |
| 105 finish_test |
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