3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library.
14 set testdir [file dirname $argv0]
15 source $testdir/tester.tcl
19 #-------------------------------------------------------------------------
20 # Verify that sorting works with a version 1 sqlite3_io_methods structure.
22 testvfs tvfs -iversion 1 -default true
25 PRAGMA mmap_size = 10000000;
26 PRAGMA cache_size = 10;
27 CREATE TABLE t1(a, b);
32 for {set i 0} {$i < 2000} {incr i} {
33 execsql { INSERT INTO t1 VALUES($i, randomblob(2000)) }
39 CREATE INDEX i1 ON t1(b);
45 #-------------------------------------------------------------------------
46 # Test that the PMA size is determined correctly. The PMA size should be
47 # roughly the same amount of memory allocated to the main pager cache, or
48 # 250 pages if this is larger.
51 tvfs script tv_callback
52 tvfs filter {xOpen xWrite}
54 proc tv_callback {method args} {
59 if {[lindex $args 0]==""} { return "temp[incr iTemp]" }
64 foreach {filename id off amt} $args {}
65 if {[info exists F($id)]==0 || $F($id)<($off + $amt)} {
66 set F($id) [expr $off+$amt]
74 sqlite3 db test.db -vfs tvfs
75 execsql { CREATE TABLE t1(x) }
77 # Each iteration of the following loop attempts to sort 10001 records
78 # each a bit over 100 bytes in size. In total a little more than 1MiB
81 foreach {tn pgsz cachesz bTemp} {
91 do_execsql_test 2.$tn.0 "
92 PRAGMA page_size = $pgsz;
94 PRAGMA cache_size = $cachesz;
97 if {[db one {PRAGMA page_size}]!=$pgsz} {
98 # SEE is not able to change page sizes and that messes up the
99 # results that follow.
105 catch { array unset F }
108 SELECT 1, randomblob(100)
110 SELECT i+1, randomblob(100) FROM x WHERE i<10000
112 SELECT * FROM x ORDER BY j;
114 expr {[array names F]!=""}