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 $testdir/tester.tcl 15 16file_control_chunksize_test db main [expr 1024*1024] 17 18do_test fallocate-1.1 { 19 execsql { 20 PRAGMA page_size = 1024; 21 PRAGMA auto_vacuum = 1; 22 CREATE TABLE t1(a, b); 23 } 24 file size test.db 25} [expr 1*1024*1024] 26 27do_test fallocate-1.2 { 28 execsql { INSERT INTO t1 VALUES(1, zeroblob(1024*900)) } 29 file size test.db 30} [expr 1*1024*1024] 31 32do_test fallocate-1.3 { 33 execsql { INSERT INTO t1 VALUES(2, zeroblob(1024*900)) } 34 file size test.db 35} [expr 2*1024*1024] 36 37do_test fallocate-1.4 { 38 execsql { DELETE FROM t1 WHERE a = 1 } 39 file size test.db 40} [expr 1*1024*1024] 41 42do_test fallocate-1.5 { 43 execsql { DELETE FROM t1 WHERE a = 2 } 44 file size test.db 45} [expr 1*1024*1024] 46 47do_test fallocate-1.6 { 48 execsql { PRAGMA freelist_count } 49} {0} 50 51# Start a write-transaction and read the "database file size" field from 52# the journal file. This field should be set to the number of pages in 53# the database file based on the size of the file on disk, not the actual 54# logical size of the database within the file. 55# 56# We need to check this to verify that if in the unlikely event a rollback 57# causes a database file to grow, the database grows to its previous size 58# on disk, not to the minimum size required to hold the database image. 59# 60do_test fallocate-1.7 { 61 execsql { BEGIN; INSERT INTO t1 VALUES(1, 2); } 62 if {[permutation] != "inmemory_journal" 63 && [permutation] != "atomic-batch-write" 64 } { 65 hexio_get_int [hexio_read test.db-journal 16 4] 66 } else { 67 set {} 1024 68 } 69} {1024} 70do_test fallocate-1.8 { execsql { COMMIT } } {} 71 72 73#------------------------------------------------------------------------- 74# The following tests - fallocate-2.* - test that things work in WAL 75# mode as well. 76# 77set skipwaltests [expr { 78 [permutation]=="journaltest" || [permutation]=="inmemory_journal" 79}] 80ifcapable !wal { set skipwaltests 1 } 81 82if {!$skipwaltests} { 83 db close 84 forcedelete test.db 85 sqlite3 db test.db 86 file_control_chunksize_test db main [expr 32*1024] 87 88 do_test fallocate-2.1 { 89 execsql { 90 PRAGMA page_size = 1024; 91 PRAGMA journal_mode = WAL; 92 CREATE TABLE t1(a, b); 93 } 94 file size test.db 95 } [expr 32*1024] 96 97 do_test fallocate-2.2 { 98 execsql { INSERT INTO t1 VALUES(1, zeroblob(35*1024)) } 99 execsql { PRAGMA wal_checkpoint } 100 file size test.db 101 } [expr 64*1024] 102 103 do_test fallocate-2.3 { 104 execsql { DELETE FROM t1 } 105 execsql { VACUUM } 106 file size test.db 107 } [expr 64*1024] 108 109 do_test fallocate-2.4 { 110 execsql { PRAGMA wal_checkpoint } 111 file size test.db 112 } [expr 32*1024] 113 114 do_test fallocate-2.5 { 115 execsql { 116 INSERT INTO t1 VALUES(2, randomblob(35*1024)); 117 PRAGMA wal_checkpoint; 118 INSERT INTO t1 VALUES(3, randomblob(128)); 119 DELETE FROM t1 WHERE a = 2; 120 VACUUM; 121 } 122 file size test.db 123 } [expr 64*1024] 124 125 do_test fallocate-2.6 { 126 sqlite3 db2 test.db 127 execsql { BEGIN ; SELECT count(a) FROM t1 } db2 128 execsql { 129 INSERT INTO t1 VALUES(4, randomblob(128)); 130 PRAGMA wal_checkpoint; 131 } 132 file size test.db 133 } [expr 64*1024] 134 135 do_test fallocate-2.7 { 136 execsql { SELECT count(b) FROM t1 } db2 137 } {1} 138 139 do_test fallocate-2.8 { 140 execsql { COMMIT } db2 141 execsql { PRAGMA wal_checkpoint } 142 file size test.db 143 } [expr 32*1024] 144} 145 146 147finish_test 148