mirror of https://github.com/sqlite/sqlite
110 lines
2.9 KiB
Plaintext
110 lines
2.9 KiB
Plaintext
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# 2004 Feb 8
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this script is the sqlite_interrupt() API.
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#
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# $Id: interrupt.test,v 1.1 2004/02/12 13:02:57 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Compute a checksum on the entire database.
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#
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proc cksum {{db db}} {
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set txt [$db eval {SELECT name, type, sql FROM sqlite_master}]\n
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foreach tbl [$db eval {SELECT name FROM sqlite_master WHERE type='table'}] {
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append txt [$db eval "SELECT * FROM $tbl"]\n
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}
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foreach prag {default_synchronous default_cache_size} {
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append txt $prag-[$db eval "PRAGMA $prag"]\n
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}
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set cksum [string length $txt]-[md5 $txt]
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# puts $cksum-[file size test.db]
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return $cksum
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}
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# This routine attempts to execute the sql in $sql. It triggers an
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# interrupt a progressively later and later points during the processing
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# and checks to make sure SQLITE_INTERRUPT is returned. Eventually,
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# the routine completes successfully.
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#
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proc interrupt_test {testid sql result {initcnt 0}} {
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set orig_sum [cksum]
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set i $initcnt
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while 1 {
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incr i
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set ::sqlite_interrupt_count $i
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do_test $testid.$i.1 [format {
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set ::r [catchsql %s]
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set ::code [db errorcode]
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expr {$::code==0 || $::code==9}
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} [list $sql]] 1
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if {$::code==9} {
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do_test $testid.$i.2 {
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cksum
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} $orig_sum
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} else {
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do_test $testid.$i.99 {
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set ::r
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} [list 0 $result]
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break
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}
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}
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set ::sqlite_interrupt_count 0
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}
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do_test interrupt-1.1 {
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execsql {
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CREATE TABLE t1(a,b);
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SELECT name FROM sqlite_master;
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}
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} {t1}
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interrupt_test interrupt-1.2 {DROP TABLE t1} {}
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do_test interrupt-1.3 {
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execsql {
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SELECT name FROM sqlite_master;
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}
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} {}
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integrity_check interrupt-1.4
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do_test interrrupt-2.1 {
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execsql {
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BEGIN;
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1,randstr(300,400));
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INSERT INTO t1 SELECT a+1, randstr(300,400) FROM t1;
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INSERT INTO t1 SELECT a+2, a || '-' || b FROM t1;
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INSERT INTO t1 SELECT a+4, a || '-' || b FROM t1;
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INSERT INTO t1 SELECT a+8, a || '-' || b FROM t1;
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INSERT INTO t1 SELECT a+16, a || '-' || b FROM t1;
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INSERT INTO t1 SELECT a+32, a || '-' || b FROM t1;
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COMMIT;
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UPDATE t1 SET b=substr(b,-5,5);
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SELECT count(*) from t1;
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}
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} 64
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set origsize [file size test.db]
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set cksum [db eval {SELECT md5sum(a || b) FROM t1}]
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interrupt_test interrupt-2.2 {VACUUM} {} 100
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do_test interrupt-2.3 {
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execsql {
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SELECT md5sum(a || b) FROM t1;
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}
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} $cksum
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do_test interrupt-2.4 {
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expr {$::origsize>[file size test.db]}
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} 1
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integrity_check interrupt-2.5
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finish_test
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