# 2010 July 28
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
file_control_chunksize_test db main [expr 1024*1024]
do_test fallocate-1.1 {
execsql {
PRAGMA page_size = 1024;
PRAGMA auto_vacuum = 1;
CREATE TABLE t1(a, b);
}
file size test.db
} [expr 1*1024*1024]
do_test fallocate-1.2 {
execsql { INSERT INTO t1 VALUES(1, zeroblob(1024*900)) }
file size test.db
} [expr 1*1024*1024]
do_test fallocate-1.3 {
execsql { INSERT INTO t1 VALUES(2, zeroblob(1024*900)) }
file size test.db
} [expr 2*1024*1024]
do_test fallocate-1.4 {
execsql { DELETE FROM t1 WHERE a = 1 }
file size test.db
} [expr 1*1024*1024]
do_test fallocate-1.5 {
execsql { DELETE FROM t1 WHERE a = 2 }
file size test.db
} [expr 1*1024*1024]
do_test fallocate-1.6 {
execsql { PRAGMA freelist_count }
} {0}
# Start a write-transaction and read the "database file size" field from
# the journal file. This field should be set to the number of pages in
# the database file based on the size of the file on disk, not the actual
# logical size of the database within the file.
#
# We need to check this to verify that if in the unlikely event a rollback
# causes a database file to grow, the database grows to its previous size
# on disk, not to the minimum size required to hold the database image.
#
do_test fallocate-1.7 {
execsql { BEGIN; INSERT INTO t1 VALUES(1, 2); }
if {[permutation] != "inmemory_journal"} {
hexio_get_int [hexio_read test.db-journal 16 4]
} else {
set {} 1024
}
} {1024}
do_test fallocate-1.8 { execsql { COMMIT } } {}
#-------------------------------------------------------------------------
# The following tests - fallocate-2.* - test that things work in WAL
# mode as well.
#
set skipwaltests [expr {
[permutation]=="journaltest" || [permutation]=="inmemory_journal"
}]
ifcapable !wal { set skipwaltests 1 }
if {!$skipwaltests} {
db close
file delete -force test.db
sqlite3 db test.db
file_control_chunksize_test db main [expr 32*1024]
do_test fallocate-2.1 {
execsql {
PRAGMA page_size = 1024;
PRAGMA journal_mode = WAL;
CREATE TABLE t1(a, b);
}
file size test.db
} [expr 32*1024]
do_test fallocate-2.2 {
execsql { INSERT INTO t1 VALUES(1, zeroblob(35*1024)) }
execsql { PRAGMA wal_checkpoint }
file size test.db
} [expr 64*1024]
do_test fallocate-2.3 {
execsql { DELETE FROM t1 }
execsql { VACUUM }
file size test.db
} [expr 64*1024]
do_test fallocate-2.4 {
execsql { PRAGMA wal_checkpoint }
file size test.db
} [expr 32*1024]
do_test fallocate-2.5 {
execsql {
INSERT INTO t1 VALUES(2, randomblob(35*1024));
PRAGMA wal_checkpoint;
INSERT INTO t1 VALUES(3, randomblob(128));
DELETE FROM t1 WHERE a = 2;
VACUUM;
}
file size test.db
} [expr 64*1024]
do_test fallocate-2.6 {
sqlite3 db2 test.db
execsql { BEGIN ; SELECT count(a) FROM t1 } db2
execsql {
INSERT INTO t1 VALUES(4, randomblob(128));
PRAGMA wal_checkpoint;
}
file size test.db
} [expr 64*1024]
do_test fallocate-2.7 {
execsql { SELECT count(b) FROM t1 } db2
} {1}
do_test fallocate-2.8 {
execsql { COMMIT } db2
execsql { PRAGMA wal_checkpoint }
file size test.db
} [expr 32*1024]
}
finish_test