wasCSharpSQLite – Blame information for rev
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| Rev | Author | Line No. | Line |
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| 1 | office | 1 | # 2005 October 3 |
| 2 | # |
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| 3 | # The author disclaims copyright to this source code. In place of |
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| 4 | # a legal notice, here is a blessing: |
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| 5 | # |
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| 6 | # May you do good and not evil. |
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| 7 | # May you find forgiveness for yourself and forgive others. |
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| 8 | # May you share freely, never taking more than you give. |
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| 9 | # |
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| 10 | #*********************************************************************** |
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| 11 | # This file implements regression tests for SQLite library. |
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| 12 | # |
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| 13 | # This file implements tests the ability of the library to open |
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| 14 | # many different databases at the same time without leaking memory. |
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| 15 | # |
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| 16 | # $Id: manydb.test,v 1.4 2008/11/21 00:10:35 aswift Exp $ |
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| 17 | |||
| 18 | set testdir [file dirname $argv0] |
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| 19 | source $testdir/tester.tcl |
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| 20 | |||
| 21 | set N 300 |
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| 22 | # if we're using proxy locks, we use 5 filedescriptors for a db |
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| 23 | # that is open and in the middle of writing changes, normally |
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| 24 | # sqlite uses 3 (proxy locking adds the conch and the local lock) |
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| 25 | set using_proxy 0 |
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| 26 | foreach {name value} [array get env SQLITE_FORCE_PROXY_LOCKING] { |
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| 27 | set using_proxy value |
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| 28 | } |
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| 29 | set num_fd_per_openwrite_db 3 |
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| 30 | if {$using_proxy>0} { |
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| 31 | set num_fd_per_openwrite_db 5 |
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| 32 | } |
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| 33 | |||
| 34 | # First test how many file descriptors are available for use. To open a |
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| 35 | # database for writing SQLite requires 3 file descriptors (the database, the |
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| 36 | # journal and the directory). |
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| 37 | set filehandles {} |
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| 38 | catch { |
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| 39 | for {set i 0} {$i<($N * 3)} {incr i} { |
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| 40 | lappend filehandles [open testfile.1 w] |
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| 41 | } |
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| 42 | } |
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| 43 | foreach fd $filehandles { |
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| 44 | close $fd |
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| 45 | } |
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| 46 | catch { |
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| 47 | file delete -force testfile.1 |
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| 48 | } |
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| 49 | set N [expr $i / $num_fd_per_openwrite_db] |
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| 50 | |||
| 51 | # Create a bunch of random database names |
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| 52 | # |
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| 53 | unset -nocomplain dbname |
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| 54 | unset -nocomplain used |
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| 55 | for {set i 0} {$i<$N} {incr i} { |
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| 56 | while 1 { |
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| 57 | set name test-[format %08x [expr {int(rand()*0x7fffffff)}]].db |
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| 58 | if {[info exists used($name)]} continue |
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| 59 | set dbname($i) $name |
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| 60 | set used($name) $i |
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| 61 | break |
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| 62 | } |
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| 63 | } |
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| 64 | |||
| 65 | # Create a bunch of databases |
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| 66 | # |
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| 67 | for {set i 0} {$i<$N} {incr i} { |
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| 68 | do_test manydb-1.$i { |
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| 69 | sqlite3 db$i $dbname($i) |
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| 70 | execsql { |
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| 71 | CREATE TABLE t1(a,b); |
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| 72 | BEGIN; |
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| 73 | INSERT INTO t1 VALUES(1,2); |
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| 74 | } db$i |
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| 75 | } {} |
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| 76 | } |
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| 77 | |||
| 78 | # Finish the transactions |
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| 79 | # |
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| 80 | for {set i 0} {$i<$N} {incr i} { |
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| 81 | do_test manydb-2.$i { |
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| 82 | execsql { |
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| 83 | COMMIT; |
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| 84 | SELECT * FROM t1; |
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| 85 | } db$i |
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| 86 | } {1 2} |
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| 87 | } |
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| 88 | |||
| 89 | |||
| 90 | # Close the databases and erase the files. |
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| 91 | # |
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| 92 | for {set i 0} {$i<$N} {incr i} { |
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| 93 | do_test manydb-3.$i { |
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| 94 | db$i close |
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| 95 | file delete -force $dbname($i) |
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| 96 | } {} |
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| 97 | } |
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| 98 | |||
| 99 | |||
| 100 | |||
| 101 | |||
| 102 | finish_test |