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63 lines
1.6 KiB
Plaintext
63 lines
1.6 KiB
Plaintext
# 2011 December 20
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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. The
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# focus of this script testing the ability of SQLite to handle database
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# files larger than 4GB.
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#
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if {[file exists skip-big-file]} return
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if {$tcl_platform(os)=="Darwin"} return
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix bigfile2
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# Create a small database.
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#
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do_execsql_test 1.1 {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 2);
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}
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# Pad the file out to 4GB in size. Then clear the file-size field in the
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# db header. This will cause SQLite to assume that the first 4GB of pages
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# are actually in use and new pages will be appended to the file.
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#
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db close
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if {[catch {fake_big_file 4096 [get_pwd]/test.db} msg]} {
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puts "**** Unable to create a file larger than 4096 MB. *****"
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finish_test
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return
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}
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hexio_write test.db 28 00000000
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do_test 1.2 {
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file size test.db
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} [expr 14 + 4096 * (1<<20)]
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# Now insert a large row. The overflow pages will be located past the 4GB
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# boundary. Then, after opening and closing the database, test that the row
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# can be read back in.
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#
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set str [string repeat k 30000]
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do_test 1.3 {
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sqlite3 db test.db
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execsql { INSERT INTO t1 VALUES(3, $str) }
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db close
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sqlite3 db test.db
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db one { SELECT b FROM t1 WHERE a = 3 }
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} $str
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db close
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delete_file test.db
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finish_test
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