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| 1 # 2009 August 20 | |
| 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 SQLite library. | |
| 12 # | |
| 13 # This file implements tests to verify that ticket #4018 has been | |
| 14 # fixed. | |
| 15 # | |
| 16 | |
| 17 set testdir [file dirname $argv0] | |
| 18 source $testdir/tester.tcl | |
| 19 | |
| 20 proc testsql {sql} { | |
| 21 set fd [open tf_main.tcl w] | |
| 22 puts $fd [subst -nocommands { | |
| 23 sqlite3_test_control_pending_byte 0x0010000 | |
| 24 sqlite3 db test.db | |
| 25 set rc [catch { db eval {$sql} } msg] | |
| 26 puts -nonewline "[set rc] {[set msg]}" | |
| 27 flush stdout | |
| 28 exit | |
| 29 }] | |
| 30 close $fd | |
| 31 set fd [open "| [info nameofexec] ./tf_main.tcl" r] | |
| 32 set res [read $fd] | |
| 33 close $fd | |
| 34 return $res | |
| 35 } | |
| 36 | |
| 37 do_test tkt4018-1.1 { | |
| 38 execsql { | |
| 39 CREATE TABLE t1(a, b); | |
| 40 BEGIN; | |
| 41 SELECT * FROM t1; | |
| 42 } | |
| 43 } {} | |
| 44 | |
| 45 # The database is locked by connection [db]. Open and close a second | |
| 46 # connection to test.db 10000 times. If file-descriptors are not being | |
| 47 # reused, then the process will quickly exceed its maximum number of | |
| 48 # file descriptors (1024 by default on linux). | |
| 49 do_test tkt4018-1.2 { | |
| 50 for {set i 0} {$i < 10000} {incr i} { | |
| 51 sqlite3 db2 test.db | |
| 52 db2 close | |
| 53 } | |
| 54 } {} | |
| 55 | |
| 56 # Now check that connection [db] is still holding a SHARED lock by | |
| 57 # having a second process try to write the db. | |
| 58 do_test tkt4018-1.3 { | |
| 59 testsql {INSERT INTO t1 VALUES(3, 4)} | |
| 60 } {1 {database is locked}} | |
| 61 | |
| 62 # Sanity checking. Have [db] release the lock and then retry the | |
| 63 # INSERT from the previous test case. | |
| 64 do_test tkt4018-1.4 { | |
| 65 db eval COMMIT | |
| 66 testsql {INSERT INTO t1 VALUES(3, 4)} | |
| 67 } {0 {}} | |
| 68 | |
| 69 # Check that reusing a file descriptor cannot change a read-only | |
| 70 # connection into a read-write connection. | |
| 71 do_test tkt4018-2.1 { | |
| 72 sqlite3 db2 test.db | |
| 73 execsql {INSERT INTO t1 VALUES(1, 2)} db2 | |
| 74 } {} | |
| 75 do_test tkt4018-2.2 { | |
| 76 execsql { | |
| 77 BEGIN; | |
| 78 SELECT * FROM t1 ORDER BY a; | |
| 79 } | |
| 80 } {1 2 3 4} | |
| 81 do_test tkt4018-2.3 { | |
| 82 db2 close | |
| 83 sqlite3 db2 test.db -readonly 1 | |
| 84 execsql COMMIT | |
| 85 catchsql {INSERT INTO t1 VALUES(5, 6)} db2 | |
| 86 } {1 {attempt to write a readonly database}} | |
| 87 db2 close | |
| 88 | |
| 89 finish_test | |
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Chromium Code Reviews
Issue 2363173002:
[sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
