| Index: third_party/sqlite/test/sidedelete.test
|
| ===================================================================
|
| --- third_party/sqlite/test/sidedelete.test (revision 56608)
|
| +++ third_party/sqlite/test/sidedelete.test (working copy)
|
| @@ -1,92 +0,0 @@
|
| -# 2007 Dec 12
|
| -#
|
| -# The author disclaims copyright to this source code. In place of
|
| -# a legal notice, here is a blessing:
|
| -#
|
| -# May you do good and not evil.
|
| -# May you find forgiveness for yourself and forgive others.
|
| -# May you share freely, never taking more than you give.
|
| -#
|
| -#***********************************************************************
|
| -#
|
| -# This file contains test cases for stressing database
|
| -# changes that involve side effects that delete rows from
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| -# the table being changed. Ticket #2832 shows that in
|
| -# older versions of SQLite that behavior was implemented
|
| -# incorrectly and resulted in corrupt database files.
|
| -#
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| -# $Id: sidedelete.test,v 1.2 2008/08/04 03:51:24 danielk1977 Exp $
|
| -#
|
| -
|
| -set testdir [file dirname $argv0]
|
| -source $testdir/tester.tcl
|
| -
|
| -# The sequence table is created to store a sequence of integers
|
| -# starting with 1. This is used to reinitialize other tables
|
| -# as part of other tests.
|
| -#
|
| -do_test sidedelete-1.1 {
|
| - execsql {
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| - CREATE TABLE sequence(a INTEGER PRIMARY KEY);
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| - INSERT INTO sequence VALUES(1);
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| - INSERT INTO sequence VALUES(2);
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| - }
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| - for {set i 0} {$i<8} {incr i} {
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| - execsql {
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| - INSERT INTO sequence SELECT a+(SELECT max(a) FROM sequence) FROM sequence;
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| - }
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| - }
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| - execsql {SELECT count(*) FROM sequence}
|
| -} {512}
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| -
|
| -# Make a series of changes using an UPDATE OR REPLACE and a
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| -# correlated subquery. This would cause database corruption
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| -# prior to the fix for ticket #2832.
|
| -#
|
| -do_test sidedelete-2.0 {
|
| - execsql {
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| - CREATE TABLE t1(a PRIMARY KEY, b);
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| - CREATE TABLE chng(a PRIMARY KEY, b);
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| - SELECT count(*) FROM t1;
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| - SELECT count(*) FROM chng;
|
| - }
|
| -} {0 0}
|
| -for {set i 2} {$i<=100} {incr i} {
|
| - set n [expr {($i+2)/2}]
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| - do_test sidedelete-2.$i.1 {
|
| - execsql {
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| - DELETE FROM t1;
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| - INSERT INTO t1 SELECT a, a FROM sequence WHERE a<=$i;
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| - DELETE FROM chng;
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| - INSERT INTO chng SELECT a*2, a*2+1 FROM sequence WHERE a<=$i/2;
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| - UPDATE OR REPLACE t1 SET a=(SELECT b FROM chng WHERE a=t1.a);
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| - SELECT count(*), sum(a) FROM t1;
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| - }
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| - } [list $n [expr {$n*$n-1}]]
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| - integrity_check sidedelete-2.$i.2
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| -}
|
| -
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| -# This will cause stacks leaks but not database corruption prior
|
| -# to the #2832 fix.
|
| -#
|
| -do_test sidedelete-3.0 {
|
| - execsql {
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| - DROP TABLE t1;
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| - CREATE TABLE t1(a PRIMARY KEY);
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| - SELECT * FROM t1;
|
| - }
|
| -} {}
|
| -for {set i 1} {$i<=100} {incr i} {
|
| - set n [expr {($i+1)/2}]
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| - do_test sidedelete-3.$i.1 {
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| - execsql {
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| - DELETE FROM t1;
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| - INSERT INTO t1 SELECT a FROM sequence WHERE a<=$i;
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| - UPDATE OR REPLACE t1 SET a=a+1;
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| - SELECT count(*), sum(a) FROM t1;
|
| - }
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| - } [list $n [expr {$n*($n+1)}]]
|
| - integrity_check sidedelete-3.$i.2
|
| -}
|
| -
|
| -finish_test
|
|
|