Return to bigfile2.test CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sqlite3 / test

Annotation of embedaddon/sqlite3/test/bigfile2.test, revision 1.1.1.1

1.1       misho       1: # 2011 December 20
                      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: # This file implements regression tests for SQLite library.  The
                     12: # focus of this script testing the ability of SQLite to handle database
                     13: # files larger than 4GB.
                     14: #
                     15: 
                     16: set testdir [file dirname $argv0]
                     17: source $testdir/tester.tcl
                     18: set testprefix bigfile2
                     19: 
                     20: # Create a small database.
                     21: #
                     22: do_execsql_test 1.1 {
                     23:   CREATE TABLE t1(a, b);
                     24:   INSERT INTO t1 VALUES(1, 2);
                     25: }
                     26: 
                     27: # Pad the file out to 4GB in size. Then clear the file-size field in the
                     28: # db header. This will cause SQLite to assume that the first 4GB of pages
                     29: # are actually in use and new pages will be appended to the file.
                     30: #
                     31: db close
                     32: if {[catch {fake_big_file 4096 [pwd]/test.db} msg]} {
                     33:   puts "**** Unable to create a file larger than 4096 MB. *****"
                     34:   finish_test
                     35:   return
                     36: }
                     37: hexio_write test.db 28 00000000
                     38: 
                     39: do_test 1.2 {
                     40:   file size test.db
                     41: } [expr 14 + 4096 * (1<<20)]
                     42: 
                     43: # Now insert a large row. The overflow pages will be located past the 4GB
                     44: # boundary. Then, after opening and closing the database, test that the row
                     45: # can be read back in. 
                     46: # 
                     47: set str [string repeat k 30000]
                     48: do_test 1.3 {
                     49:   sqlite3 db test.db
                     50:   execsql { INSERT INTO t1 VALUES(3, $str) }
                     51:   db close
                     52:   sqlite3 db test.db
                     53:   db one { SELECT b FROM t1 WHERE a = 3 }
                     54: } $str
                     55: 
                     56: db close
                     57: file delete test.db
                     58: 
                     59: finish_test