1# 2# 2002 December 03 3# 4# The author disclaims copyright to this source code. In place of 5# a legal notice, here is a blessing: 6# 7# May you do good and not evil. 8# May you find forgiveness for yourself and forgive others. 9# May you share freely, never taking more than you give. 10# 11#*********************************************************************** 12# This file implements regression tests for SQLite library. The 13# focus of this script is btree database backend 14# 15# This file focuses on testing the sqliteBtreeNext() and 16# sqliteBtreePrevious() procedures and making sure they are able 17# to step through an entire table from either direction. 18# 19# $Id: btree4rb.test,v 1.1 2003/04/20 23:45:23 drh Exp $ 20 21 22set testdir [file dirname $argv0] 23source $testdir/tester.tcl 24 25if {[info commands btree_open]!=""} { 26 27# Open a test database. 28# 29set b1 [btree_open :memory:] 30btree_begin_transaction $::b1 31 32set data {abcdefghijklmnopqrstuvwxyz0123456789} 33append data $data 34append data $data 35append data $data 36append data $data 37 38foreach N {10 100 1000} { 39 btree_clear_table $::b1 2 40 set ::c1 [btree_cursor $::b1 2 1] 41 do_test btree4rb-$N.1 { 42 for {set i 1} {$i<=$N} {incr i} { 43 btree_insert $::c1 [format k-%05d $i] $::data-$i 44 } 45 btree_first $::c1 46 btree_key $::c1 47 } {k-00001} 48 do_test btree4rb-$N.2 { 49 btree_data $::c1 50 } $::data-1 51 for {set i 2} {$i<=$N} {incr i} { 52 do_test btree-$N.3.$i.1 { 53 btree_next $::c1 54 } 0 55 do_test btree-$N.3.$i.2 { 56 btree_key $::c1 57 } [format k-%05d $i] 58 do_test btree-$N.3.$i.3 { 59 btree_data $::c1 60 } $::data-$i 61 } 62 do_test btree4rb-$N.4 { 63 btree_next $::c1 64 } 1 65 do_test btree4rb-$N.5 { 66 btree_last $::c1 67 } 0 68 do_test btree4rb-$N.6 { 69 btree_key $::c1 70 } [format k-%05d $N] 71 do_test btree4rb-$N.7 { 72 btree_data $::c1 73 } $::data-$N 74 for {set i [expr {$N-1}]} {$i>=1} {incr i -1} { 75 do_test btree4rb-$N.8.$i.1 { 76 btree_prev $::c1 77 } 0 78 do_test btree4rb-$N.8.$i.2 { 79 btree_key $::c1 80 } [format k-%05d $i] 81 do_test btree4rb-$N.8.$i.3 { 82 btree_data $::c1 83 } $::data-$i 84 } 85 do_test btree4rb-$N.9 { 86 btree_prev $::c1 87 } 1 88 btree_close_cursor $::c1 89} 90 91btree_rollback $::b1 92btree_close $::b1 93 94} ;# end if( not mem: and has pager_open command ); 95 96finish_test 97