1# 2010 July 28 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 13set testdir [file dirname $argv0] 14source $testdir/tester.tcl 15 16file_control_chunksize_test db main [expr 1024*1024] 17 18do_test fallocate-1.1 { 19 execsql { 20 PRAGMA page_size = 1024; 21 PRAGMA auto_vacuum = 1; 22 CREATE TABLE t1(a, b); 23 } 24 file size test.db 25} [expr 1*1024*1024] 26 27do_test fallocate-1.2 { 28 execsql { INSERT INTO t1 VALUES(1, zeroblob(1024*900)) } 29 file size test.db 30} [expr 1*1024*1024] 31 32do_test fallocate-1.3 { 33 execsql { INSERT INTO t1 VALUES(2, zeroblob(1024*900)) } 34 file size test.db 35} [expr 2*1024*1024] 36 37do_test fallocate-1.4 { 38 execsql { DELETE FROM t1 WHERE a = 1 } 39 file size test.db 40} [expr 1*1024*1024] 41 42do_test fallocate-1.5 { 43 execsql { DELETE FROM t1 WHERE a = 2 } 44 file size test.db 45} [expr 1*1024*1024] 46 47do_test fallocate-1.6 { 48 execsql { PRAGMA freelist_count } 49} {0} 50 51# Start a write-transaction and read the "database file size" field from 52# the journal file. This field should be set to the number of pages in 53# the database file based on the size of the file on disk, not the actual 54# logical size of the database within the file. 55# 56# We need to check this to verify that if in the unlikely event a rollback 57# causes a database file to grow, the database grows to its previous size 58# on disk, not to the minimum size required to hold the database image. 59# 60do_test fallocate-1.7 { 61 execsql { BEGIN; INSERT INTO t1 VALUES(1, 2); } 62 hexio_get_int [hexio_read test.db-journal 16 4] 63} {1024} 64do_test fallocate-1.8 { execsql { COMMIT } } {} 65 66 67#------------------------------------------------------------------------- 68# The following tests - fallocate-2.* - test that things work in WAL 69# mode as well. 70# 71set skipwaltests [expr {[permutation]=="journaltest"}] 72ifcapable !wal { set skipwaltests 1 } 73 74if {!$skipwaltests} { 75db close 76file delete -force test.db 77sqlite3 db test.db 78file_control_chunksize_test db main [expr 32*1024] 79 80do_test fallocate-2.1 { 81 execsql { 82 PRAGMA page_size = 1024; 83 PRAGMA journal_mode = WAL; 84 CREATE TABLE t1(a, b); 85 } 86 file size test.db 87} [expr 32*1024] 88 89do_test fallocate-2.2 { 90 execsql { INSERT INTO t1 VALUES(1, zeroblob(35*1024)) } 91 execsql { PRAGMA wal_checkpoint } 92 file size test.db 93} [expr 64*1024] 94 95do_test fallocate-2.3 { 96 execsql { DELETE FROM t1 } 97 execsql { VACUUM } 98 file size test.db 99} [expr 64*1024] 100 101do_test fallocate-2.4 { 102 execsql { PRAGMA wal_checkpoint } 103 file size test.db 104} [expr 32*1024] 105 106do_test fallocate-2.5 { 107 execsql { 108 INSERT INTO t1 VALUES(2, randomblob(35*1024)); 109 PRAGMA wal_checkpoint; 110 INSERT INTO t1 VALUES(3, randomblob(128)); 111 DELETE FROM t1 WHERE a = 2; 112 VACUUM; 113 } 114 file size test.db 115} [expr 64*1024] 116 117do_test fallocate-2.6 { 118 sqlite3 db2 test.db 119 execsql { BEGIN ; SELECT count(a) FROM t1 } db2 120 execsql { 121 INSERT INTO t1 VALUES(4, randomblob(128)); 122 PRAGMA wal_checkpoint; 123 } 124 file size test.db 125} [expr 64*1024] 126 127do_test fallocate-2.7 { 128 execsql { SELECT count(b) FROM t1 } db2 129} {1} 130 131do_test fallocate-2.8 { 132 execsql { COMMIT } db2 133 execsql { PRAGMA wal_checkpoint } 134 file size test.db 135} [expr 32*1024] 136 137} 138 139 140finish_test 141 142