mirror of https://github.com/sqlite/sqlite
116 lines
2.8 KiB
Plaintext
116 lines
2.8 KiB
Plaintext
# 2007 April 6
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library.
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#
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# This file implements tests to verify database file format.
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#
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# $Id: filefmt.test,v 1.2 2007/04/06 21:42:22 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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db close
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file delete -force test.db test.db-journal
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# Database begins with valid 16-byte header string.
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#
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do_test filefmt-1.1 {
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sqlite3 db test.db
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db eval {CREATE TABLE t1(x)}
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db close
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hexio_read test.db 0 16
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} {53514C69746520666F726D6174203300}
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# If the 16-byte header is changed, the file will not open
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#
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do_test filefmt-1.2 {
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hexio_write test.db 0 54
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set x [catch {sqlite3 db test.db} err]
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lappend x $err
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} {0 {}}
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do_test filefmt-1.3 {
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catchsql {
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SELECT count(*) FROM sqlite_master
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}
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} {1 {file is encrypted or is not a database}}
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do_test filefmt-1.4 {
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db close
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hexio_write test.db 0 53
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sqlite3 db test.db
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catchsql {
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SELECT count(*) FROM sqlite_master
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}
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} {0 1}
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# The page-size is stored at offset 16
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#
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ifcapable pager_pragmas {
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foreach pagesize {512 1024 2048 4096 8192 16384 32768} {
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if {[info exists SQLITE_MAX_PAGE_SIZE]
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&& $pagesize>$SQLITE_MAX_PAGE_SIZE} continue
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do_test filefmt-1.5.$pagesize.1 {
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db close
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file delete -force test.db
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sqlite3 db test.db
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db eval "PRAGMA auto_vacuum=OFF"
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db eval "PRAGMA page_size=$pagesize"
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db eval {CREATE TABLE t1(x)}
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file size test.db
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} [expr $pagesize*2]
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do_test filefmt-1.5.$pagesize.2 {
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hexio_get_int [hexio_read test.db 16 2]
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} $pagesize
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}
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}
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# The page-size must be a power of 2
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#
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do_test filefmt-1.6 {
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db close
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hexio_write test.db 16 [hexio_render_int16 1025]
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sqlite3 db test.db
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catchsql {
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SELECT count(*) FROM sqlite_master
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}
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} {1 {file is encrypted or is not a database}}
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# The page-size must be at least 512 bytes
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#
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do_test filefmt-1.7 {
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db close
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hexio_write test.db 16 [hexio_render_int16 256]
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sqlite3 db test.db
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catchsql {
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SELECT count(*) FROM sqlite_master
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}
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} {1 {file is encrypted or is not a database}}
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# Usable space per page (page-size minus unused space per page)
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# must be at least 500 bytes
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#
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ifcapable pager_pragmas {
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do_test filefmt-1.8 {
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db close
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file delete -force test.db
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sqlite3 db test.db
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db eval {PRAGMA page_size=512; CREATE TABLE t1(x)}
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db close
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hexio_write test.db 20 10
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sqlite3 db test.db
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catchsql {
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SELECT count(*) FROM sqlite_master
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}
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} {1 {file is encrypted or is not a database}}
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}
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finish_test
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