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+# 2001 September 15
+#
+# 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 implements regression tests for SQLite library. The
+# focus of this script is in-memory database backend.
+#
+# $Id: memdb.test,v 1.19 2009/05/18 16:04:38 danielk1977 Exp $
+
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable memorydb {
+
+# In the following sequence of tests, compute the MD5 sum of the content
+# of a table, make lots of modifications to that table, then do a rollback.
+# Verify that after the rollback, the MD5 checksum is unchanged.
+#
+# These tests were browed from trans.tcl.
+#
+do_test memdb-1.1 {
+ db close
+ sqlite3 db :memory:
+ # sqlite3 db test.db
+ execsql {
+ BEGIN;
+ CREATE TABLE t3(x TEXT);
+ INSERT INTO t3 VALUES(randstr(10,400));
+ INSERT INTO t3 VALUES(randstr(10,400));
+ INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+ INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+ INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+ INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+ INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+ INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+ INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+ INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+ INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+ COMMIT;
+ SELECT count(*) FROM t3;
+ }
+} {1024}
+
+# The following procedure computes a "signature" for table "t3". If
+# T3 changes in any way, the signature should change.
+#
+# This is used to test ROLLBACK. We gather a signature for t3, then
+# make lots of changes to t3, then rollback and take another signature.
+# The two signatures should be the same.
+#
+proc signature {{fn {}}} {
+ set rx [db eval {SELECT x FROM t3}]
+ # set r1 [md5 $rx\n]
+ if {$fn!=""} {
+ # set fd [open $fn w]
+ # puts $fd $rx
+ # close $fd
+ }
+ # set r [db eval {SELECT count(*), md5sum(x) FROM t3}]
+ # puts "SIG($fn)=$r1"
+ return [list [string length $rx] $rx]
+}
+
+# Do rollbacks. Make sure the signature does not change.
+#
+set limit 10
+for {set i 2} {$i<=$limit} {incr i} {
+ set ::sig [signature one]
+ # puts "sig=$sig"
+ set cnt [lindex $::sig 0]
+ if {$i%2==0} {
+ execsql {PRAGMA synchronous=FULL}
+ } else {
+ execsql {PRAGMA synchronous=NORMAL}
+ }
+ do_test memdb-1.$i.1-$cnt {
+ execsql {
+ BEGIN;
+ DELETE FROM t3 WHERE random()%10!=0;
+ INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+ INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+ ROLLBACK;
+ }
+ set sig2 [signature two]
+ } $sig
+ # puts "sig2=$sig2"
+ # if {$sig2!=$sig} exit
+ do_test memdb-1.$i.2-$cnt {
+ execsql {
+ BEGIN;
+ DELETE FROM t3 WHERE random()%10!=0;
+ INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+ DELETE FROM t3 WHERE random()%10!=0;
+ INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+ ROLLBACK;
+ }
+ signature
+ } $sig
+ if {$i<$limit} {
+ do_test memdb-1.$i.9-$cnt {
+ execsql {
+ INSERT INTO t3 SELECT randstr(10,400) FROM t3 WHERE random()%10==0;
+ }
+ } {}
+ }
+ set ::pager_old_format 0
+}
+
+integrity_check memdb-2.1
+
+do_test memdb-3.1 {
+ execsql {
+ CREATE TABLE t4(a,b,c,d);
+ BEGIN;
+ INSERT INTO t4 VALUES(1,2,3,4);
+ SELECT * FROM t4;
+ }
+} {1 2 3 4}
+do_test memdb-3.2 {
+ execsql {
+ SELECT name FROM sqlite_master WHERE type='table';
+ }
+} {t3 t4}
+do_test memdb-3.3 {
+ execsql {
+ DROP TABLE t4;
+ SELECT name FROM sqlite_master WHERE type='table';
+ }
+} {t3}
+do_test memdb-3.4 {
+ execsql {
+ ROLLBACK;
+ SELECT name FROM sqlite_master WHERE type='table';
+ }
+} {t3 t4}
+
+# Create tables for the first group of tests.
+#
+do_test memdb-4.0 {
+ execsql {
+ CREATE TABLE t1(a, b, c, UNIQUE(a,b));
+ CREATE TABLE t2(x);
+ SELECT c FROM t1 ORDER BY c;
+ }
+} {}
+
+# Six columns of configuration data as follows:
+#
+# i The reference number of the test
+# conf The conflict resolution algorithm on the BEGIN statement
+# cmd An INSERT or REPLACE command to execute against table t1
+# t0 True if there is an error from $cmd
+# t1 Content of "c" column of t1 assuming no error in $cmd
+# t2 Content of "x" column of t2
+#
+foreach {i conf cmd t0 t1 t2} {
+ 1 {} INSERT 1 {} 1
+ 2 {} {INSERT OR IGNORE} 0 3 1
+ 3 {} {INSERT OR REPLACE} 0 4 1
+ 4 {} REPLACE 0 4 1
+ 5 {} {INSERT OR FAIL} 1 {} 1
+ 6 {} {INSERT OR ABORT} 1 {} 1
+ 7 {} {INSERT OR ROLLBACK} 1 {} {}
+} {
+
+ # All tests after test 1 depend on conflict resolution. So end the
+ # loop if that is not available in this build.
+ ifcapable !conflict {if {$i>1} break}
+
+ do_test memdb-4.$i {
+ if {$conf!=""} {set conf "ON CONFLICT $conf"}
+ set r0 [catch {execsql [subst {
+ DELETE FROM t1;
+ DELETE FROM t2;
+ INSERT INTO t1 VALUES(1,2,3);
+ BEGIN $conf;
+ INSERT INTO t2 VALUES(1);
+ $cmd INTO t1 VALUES(1,2,4);
+ }]} r1]
+ catch {execsql {COMMIT}}
+ if {$r0} {set r1 {}} {set r1 [execsql {SELECT c FROM t1}]}
+ set r2 [execsql {SELECT x FROM t2}]
+ list $r0 $r1 $r2
+ } [list $t0 $t1 $t2]
+}
+
+do_test memdb-5.0 {
+ execsql {
+ DROP TABLE t2;
+ DROP TABLE t3;
+ CREATE TABLE t2(a,b,c);
+ INSERT INTO t2 VALUES(1,2,1);
+ INSERT INTO t2 VALUES(2,3,2);
+ INSERT INTO t2 VALUES(3,4,1);
+ INSERT INTO t2 VALUES(4,5,4);
+ SELECT c FROM t2 ORDER BY b;
+ CREATE TABLE t3(x);
+ INSERT INTO t3 VALUES(1);
+ }
+} {1 2 1 4}
+
+# Six columns of configuration data as follows:
+#
+# i The reference number of the test
+# conf1 The conflict resolution algorithm on the UNIQUE constraint
+# conf2 The conflict resolution algorithm on the BEGIN statement
+# cmd An UPDATE command to execute against table t1
+# t0 True if there is an error from $cmd
+# t1 Content of "b" column of t1 assuming no error in $cmd
+# t2 Content of "x" column of t3
+#
+foreach {i conf1 conf2 cmd t0 t1 t2} {
+ 1 {} {} UPDATE 1 {6 7 8 9} 1
+ 2 REPLACE {} UPDATE 0 {7 6 9} 1
+ 3 IGNORE {} UPDATE 0 {6 7 3 9} 1
+ 4 FAIL {} UPDATE 1 {6 7 3 4} 1
+ 5 ABORT {} UPDATE 1 {1 2 3 4} 1
+ 6 ROLLBACK {} UPDATE 1 {1 2 3 4} 0
+ 7 REPLACE {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1
+ 8 IGNORE {} {UPDATE OR REPLACE} 0 {7 6 9} 1
+ 9 FAIL {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1
+ 10 ABORT {} {UPDATE OR REPLACE} 0 {7 6 9} 1
+ 11 ROLLBACK {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1
+ 12 {} {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1
+ 13 {} {} {UPDATE OR REPLACE} 0 {7 6 9} 1
+ 14 {} {} {UPDATE OR FAIL} 1 {6 7 3 4} 1
+ 15 {} {} {UPDATE OR ABORT} 1 {1 2 3 4} 1
+ 16 {} {} {UPDATE OR ROLLBACK} 1 {1 2 3 4} 0
+} {
+ # All tests after test 1 depend on conflict resolution. So end the
+ # loop if that is not available in this build.
+ ifcapable !conflict {
+ if {$i>1} break
+ }
+
+ if {$t0} {set t1 {UNIQUE constraint failed: t1.a}}
+ do_test memdb-5.$i {
+ if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"}
+ if {$conf2!=""} {set conf2 "ON CONFLICT $conf2"}
+ set r0 [catch {execsql "
+ DROP TABLE t1;
+ CREATE TABLE t1(a,b,c, UNIQUE(a) $conf1);
+ INSERT INTO t1 SELECT * FROM t2;
+ UPDATE t3 SET x=0;
+ BEGIN $conf2;
+ $cmd t3 SET x=1;
+ $cmd t1 SET b=b*2;
+ $cmd t1 SET a=c+5;
+ "} r1]
+ catch {execsql {COMMIT}}
+ if {!$r0} {set r1 [execsql {SELECT a FROM t1 ORDER BY b}]}
+ set r2 [execsql {SELECT x FROM t3}]
+ list $r0 $r1 $r2
+ } [list $t0 $t1 $t2]
+}
+
+do_test memdb-6.1 {
+ execsql {
+ SELECT * FROM t2;
+ }
+} {1 2 1 2 3 2 3 4 1 4 5 4}
+do_test memdb-6.2 {
+ execsql {
+ BEGIN;
+ DROP TABLE t2;
+ SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
+ }
+} {t1 t3 t4}
+do_test memdb-6.3 {
+ execsql {
+ ROLLBACK;
+ SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
+ }
+} {t1 t2 t3 t4}
+do_test memdb-6.4 {
+ execsql {
+ SELECT * FROM t2;
+ }
+} {1 2 1 2 3 2 3 4 1 4 5 4}
+ifcapable compound {
+do_test memdb-6.5 {
+ execsql {
+ SELECT a FROM t2 UNION SELECT b FROM t2 ORDER BY 1;
+ }
+} {1 2 3 4 5}
+} ;# ifcapable compound
+do_test memdb-6.6 {
+ execsql {
+ CREATE INDEX i2 ON t2(c);
+ SELECT a FROM t2 ORDER BY c;
+ }
+} {1 3 2 4}
+do_test memdb-6.6 {
+ execsql {
+ SELECT a FROM t2 ORDER BY c DESC;
+ }
+} {4 2 3 1}
+do_test memdb-6.7 {
+ execsql {
+ BEGIN;
+ CREATE TABLE t5(x,y);
+ INSERT INTO t5 VALUES(1,2);
+ SELECT * FROM t5;
+ }
+} {1 2}
+do_test memdb-6.8 {
+ execsql {
+ SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
+ }
+} {t1 t2 t3 t4 t5}
+do_test memdb-6.9 {
+ execsql {
+ ROLLBACK;
+ SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
+ }
+} {t1 t2 t3 t4}
+do_test memdb-6.10 {
+ execsql {
+ CREATE TABLE t5(x PRIMARY KEY, y UNIQUE);
+ SELECT * FROM t5;
+ }
+} {}
+do_test memdb-6.11 {
+ execsql {
+ SELECT * FROM t5 ORDER BY y DESC;
+ }
+} {}
+
+ifcapable conflict {
+ do_test memdb-6.12 {
+ execsql {
+ INSERT INTO t5 VALUES(1,2);
+ INSERT INTO t5 VALUES(3,4);
+ REPLACE INTO t5 VALUES(1,4);
+ SELECT rowid,* FROM t5;
+ }
+ } {3 1 4}
+ do_test memdb-6.13 {
+ execsql {
+ DELETE FROM t5 WHERE x>5;
+ SELECT * FROM t5;
+ }
+ } {1 4}
+ do_test memdb-6.14 {
+ execsql {
+ DELETE FROM t5 WHERE y<3;
+ SELECT * FROM t5;
+ }
+ } {1 4}
+}
+
+do_test memdb-6.15 {
+ execsql {
+ DELETE FROM t5 WHERE x>0;
+ SELECT * FROM t5;
+ }
+} {}
+
+ifcapable subquery&&vtab {
+ do_test memdb-7.1 {
+ load_static_extension db wholenumber
+ execsql {
+ CREATE TABLE t6(x);
+ CREATE VIRTUAL TABLE nums USING wholenumber;
+ INSERT INTO t6 SELECT value FROM nums WHERE value BETWEEN 1 AND 256;
+ SELECT count(*) FROM (SELECT DISTINCT x FROM t6);
+ }
+ } {256}
+ for {set i 1} {$i<=256} {incr i} {
+ do_test memdb-7.2.$i {
+ execsql "DELETE FROM t6 WHERE x=\
+ (SELECT x FROM t6 ORDER BY random() LIMIT 1)"
+ execsql {SELECT count(*) FROM t6}
+ } [expr {256-$i}]
+ }
+}
+
+# Ticket #1524
+#
+do_test memdb-8.1 {
+ db close
+ sqlite3 db {:memory:}
+ execsql {
+ PRAGMA auto_vacuum=TRUE;
+ CREATE TABLE t1(a);
+ INSERT INTO t1 VALUES(randstr(5000,6000));
+ INSERT INTO t1 VALUES(randstr(5000,6000));
+ INSERT INTO t1 VALUES(randstr(5000,6000));
+ INSERT INTO t1 VALUES(randstr(5000,6000));
+ INSERT INTO t1 VALUES(randstr(5000,6000));
+ SELECT count(*) FROM t1;
+ }
+} 5
+do_test memdb-8.2 {
+ execsql {
+ DELETE FROM t1;
+ SELECT count(*) FROM t1;
+ }
+} 0
+
+# Test that auto-vacuum works with in-memory databases.
+#
+ifcapable autovacuum {
+ do_test memdb-9.1 {
+ db close
+ sqlite3 db test.db
+ db cache size 0
+ execsql {
+ PRAGMA auto_vacuum = full;
+ CREATE TABLE t1(a);
+ INSERT INTO t1 VALUES(randstr(1000,1000));
+ INSERT INTO t1 VALUES(randstr(1000,1000));
+ INSERT INTO t1 VALUES(randstr(1000,1000));
+ }
+ set before [db one {PRAGMA page_count}]
+ execsql { DELETE FROM t1 }
+ set after [db one {PRAGMA page_count}]
+ expr {$before>$after}
+ } {1}
+}
+
+} ;# ifcapable memorydb
+
+finish_test
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