Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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453
testdata/tcl/incrblob2.test
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453
testdata/tcl/incrblob2.test
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# 2008 June 9
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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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#
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# Test that it is possible to have two open blob handles on a single
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# blob object.
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#
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# $Id: incrblob2.test,v 1.11 2009/06/29 06:00:37 danielk1977 Exp $
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable {!autovacuum || !pragma || !incrblob} {
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finish_test
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return
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}
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do_test incrblob2-1.0 {
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execsql {
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CREATE TABLE blobs(id INTEGER PRIMARY KEY, data BLOB);
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INSERT INTO blobs VALUES(NULL, zeroblob(5000));
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INSERT INTO blobs VALUES(NULL, zeroblob(5000));
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INSERT INTO blobs VALUES(NULL, zeroblob(5000));
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INSERT INTO blobs VALUES(NULL, zeroblob(5000));
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}
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} {}
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foreach iOffset [list 0 256 4094] {
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do_test incrblob2-1.$iOffset.1 {
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set fd [db incrblob blobs data 1]
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puts $fd "[string repeat x $iOffset]SQLite version 3.6.0"
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close $fd
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} {}
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do_test incrblob2-1.$iOffset.2 {
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set fd1 [db incrblob blobs data 1]
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set fd2 [db incrblob blobs data 1]
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fconfigure $fd1 -buffering none
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fconfigure $fd2 -buffering none
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if {$iOffset != 0} {
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seek $fd2 $iOffset start
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seek $fd1 $iOffset start
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}
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read $fd1 6
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} {SQLite}
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do_test incrblob2-1.$iOffset.3 {
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read $fd2 6
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} {SQLite}
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do_test incrblob2-1.$iOffset.4 {
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seek $fd2 $iOffset start
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seek $fd1 $iOffset start
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puts -nonewline $fd2 "etiLQS"
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} {}
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do_test incrblob2-1.$iOffset.5 {
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seek $fd1 $iOffset start
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read $fd1 6
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} {etiLQS}
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do_test incrblob2-1.$iOffset.6 {
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seek $fd2 $iOffset start
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read $fd2 6
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} {etiLQS}
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do_test incrblob2-1.$iOffset.7 {
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seek $fd1 $iOffset start
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read $fd1 6
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} {etiLQS}
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do_test incrblob2-1.$iOffset.8 {
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close $fd1
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close $fd2
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} {}
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}
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#--------------------------------------------------------------------------
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foreach iOffset [list 0 256 4094] {
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do_test incrblob2-2.$iOffset.1 {
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set fd1 [db incrblob blobs data 1]
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seek $fd1 [expr $iOffset - 5000] end
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fconfigure $fd1 -buffering none
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set fd2 [db incrblob blobs data 1]
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seek $fd2 [expr $iOffset - 5000] end
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fconfigure $fd2 -buffering none
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puts -nonewline $fd1 "123456"
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} {}
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do_test incrblob2-2.$iOffset.2 {
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read $fd2 6
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} {123456}
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do_test incrblob2-2.$iOffset.3 {
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close $fd1
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close $fd2
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} {}
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}
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do_test incrblob2-3.1 {
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set fd1 [db incrblob blobs data 1]
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fconfigure $fd1 -buffering none
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} {}
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do_test incrblob2-3.2 {
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execsql {
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INSERT INTO blobs VALUES(5, zeroblob(10240));
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}
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} {}
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do_test incrblob2-3.3 {
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set rc [catch { read $fd1 6 } msg]
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list $rc $msg
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} {0 123456}
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do_test incrblob2-3.4 {
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close $fd1
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} {}
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#--------------------------------------------------------------------------
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# The following tests - incrblob2-4.* - test that blob handles are
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# invalidated at the correct times.
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#
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do_test incrblob2-4.1 {
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unset -nocomplain data
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db eval BEGIN
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db eval { CREATE TABLE t1(id INTEGER PRIMARY KEY, data BLOB); }
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for {set ii 1} {$ii < 100} {incr ii} {
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set data [string repeat "blob$ii" 500]
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db eval { INSERT INTO t1 VALUES($ii, $data) }
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}
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db eval COMMIT
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} {}
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proc aborted_handles {} {
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global handles
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set aborted {}
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for {set ii 1} {$ii < 100} {incr ii} {
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set str "blob$ii"
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set nByte [string length $str]
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set iOffset [expr $nByte * $ii * 2]
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set rc [catch {sqlite3_blob_read $handles($ii) $iOffset $nByte} msg]
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if {$rc && $msg eq "SQLITE_ABORT"} {
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lappend aborted $ii
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} else {
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if {$rc || $msg ne $str} {
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error "blob $ii: $msg"
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}
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}
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}
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set aborted
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}
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do_test incrblob2-4.2 {
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for {set ii 1} {$ii < 100} {incr ii} {
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set handles($ii) [db incrblob t1 data $ii]
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}
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aborted_handles
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} {}
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# Update row 3. This should abort handle 3 but leave all others untouched.
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#
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do_test incrblob2-4.3 {
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db eval {UPDATE t1 SET data = data || '' WHERE id = 3}
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aborted_handles
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} {3}
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# Test that a write to handle 3 also returns SQLITE_ABORT.
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#
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do_test incrblob2-4.3.1 {
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set rc [catch {sqlite3_blob_write $::handles(3) 10 HELLO} msg]
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list $rc $msg
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} {1 SQLITE_ABORT}
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# Delete row 14. This should abort handle 6 but leave all others untouched.
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#
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do_test incrblob2-4.4 {
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db eval {DELETE FROM t1 WHERE id = 14}
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aborted_handles
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} {3 14}
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# Change the rowid of row 15 to 102. Should abort handle 15.
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#
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do_test incrblob2-4.5 {
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db eval {UPDATE t1 SET id = 102 WHERE id = 15}
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aborted_handles
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} {3 14 15}
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# Clobber row 92 using INSERT OR REPLACE.
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#
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do_test incrblob2-4.6 {
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db eval {INSERT OR REPLACE INTO t1 VALUES(92, zeroblob(1000))}
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aborted_handles
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} {3 14 15 92}
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# Clobber row 65 using UPDATE OR REPLACE on row 35. This should abort
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# handles 35 and 65.
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#
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do_test incrblob2-4.7 {
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db eval {UPDATE OR REPLACE t1 SET id = 65 WHERE id = 35}
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aborted_handles
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} {3 14 15 35 65 92}
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# Insert a couple of new rows. This should not invalidate any handles.
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#
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do_test incrblob2-4.9 {
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db eval {INSERT INTO t1 SELECT NULL, data FROM t1}
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aborted_handles
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} {3 14 15 35 65 92}
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# Delete all rows from 1 to 25. This should abort all handles up to 25.
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#
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do_test incrblob2-4.9 {
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db eval {DELETE FROM t1 WHERE id >=1 AND id <= 25}
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aborted_handles
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} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 35 65 92}
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# Delete the whole table (this will use sqlite3BtreeClearTable()). All handles
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# should now be aborted.
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#
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do_test incrblob2-4.10 {
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db eval {DELETE FROM t1}
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aborted_handles
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} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99}
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do_test incrblob2-4.1.X {
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for {set ii 1} {$ii < 100} {incr ii} {
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close $handles($ii)
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}
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} {}
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#--------------------------------------------------------------------------
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# The following tests - incrblob2-5.* - test that in shared cache an open
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# blob handle counts as a read-lock on its table.
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#
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ifcapable shared_cache {
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db close
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set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
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do_test incrblob2-5.1 {
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sqlite3 db test.db
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sqlite3 db2 test.db
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execsql {
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INSERT INTO t1 VALUES(1, 'abcde');
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}
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} {}
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do_test incrblob2-5.2 {
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catchsql { INSERT INTO t1 VALUES(2, 'fghij') } db2
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} {0 {}}
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do_test incrblob2-5.3 {
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set blob [db incrblob t1 data 1]
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catchsql { INSERT INTO t1 VALUES(3, 'klmno') } db2
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} {1 {database table is locked}}
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do_test incrblob2-5.4 {
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close $blob
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execsql BEGIN db2
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catchsql { INSERT INTO t1 VALUES(4, 'pqrst') } db2
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} {0 {}}
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do_test incrblob2-5.5 {
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set rc [catch { db incrblob -readonly t1 data 1 } msg]
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list $rc $msg
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} {1 {database table is locked: t1}}
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do_test incrblob2-5.6 {
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execsql { PRAGMA read_uncommitted=1 }
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set blob [db incrblob -readonly t1 data 4]
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read $blob
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} {pqrst}
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do_test incrblob2-5.7 {
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catchsql { INSERT INTO t1 VALUES(3, 'klmno') } db2
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} {0 {}}
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do_test incrblob2-5.8 {
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close $blob
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} {}
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db2 close
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db close
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sqlite3_enable_shared_cache $::enable_shared_cache
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}
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#--------------------------------------------------------------------------
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# The following tests - incrblob2-6.* - test a specific scenario that might
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# be causing an error.
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#
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sqlite3 db test.db
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do_test incrblob2-6.1 {
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execsql {
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DELETE FROM t1;
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INSERT INTO t1 VALUES(1, zeroblob(100));
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}
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set rdHandle [db incrblob -readonly t1 data 1]
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set wrHandle [db incrblob t1 data 1]
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sqlite3_blob_read $rdHandle 0 100
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sqlite3_blob_write $wrHandle 0 ABCDEF
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close $wrHandle
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close $rdHandle
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} {}
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do_test incrblob2-6.2 {
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set rdHandle [db incrblob -readonly t1 data 1]
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sqlite3_blob_read $rdHandle 0 2
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} {AB}
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if {$::tcl_platform(pointerSize)>=8} {
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do_test incrblob2-6.2b {
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set rc [catch {
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# Prior to 2015-02-07, the following caused a segfault due to
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# integer overflow.
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sqlite3_blob_read $rdHandle 2147483647 2147483647
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} errmsg]
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if {[string match {out of memory in *test_blob.c} $errmsg]} {
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set errmsg SQLITE_ERROR
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}
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lappend rc $errmsg
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} {1 SQLITE_ERROR}
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}
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do_test incrblob2-6.2c {
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set rc [catch {
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# Prior to 2015-02-07, the following caused a segfault due to
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# integer overflow.
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sqlite3_blob_read $rdHandle 2147483647 100
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} errmsg]
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lappend rc $errmsg
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} {1 SQLITE_ERROR}
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do_test incrblob2-6.3 {
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set wrHandle [db incrblob t1 data 1]
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sqlite3_blob_write $wrHandle 0 ZZZZZZZZZZ
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sqlite3_blob_read $rdHandle 2 4
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} {ZZZZ}
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do_test incrblob2-6.3b {
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set rc [catch {
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# Prior to 2015-02-07, the following caused a segfault due to
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# integer overflow.
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sqlite3_blob_write $wrHandle 2147483647 YYYYYYYYYYYYYYYYYY
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} errmsg]
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lappend rc $errmsg
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} {1 SQLITE_ERROR}
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do_test incrblob2-6.3c {
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sqlite3_blob_read $rdHandle 2 4
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} {ZZZZ}
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do_test incrblob2-6.4 {
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close $wrHandle
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close $rdHandle
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} {}
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sqlite3_memory_highwater 1
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do_test incrblob2-7.1 {
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db eval {
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CREATE TABLE t2(B BLOB);
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INSERT INTO t2 VALUES(zeroblob(10 * 1024 * 1024));
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}
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expr {[sqlite3_memory_highwater]<(5 * 1024 * 1024)}
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} {1}
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do_test incrblob2-7.2 {
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set h [db incrblob t2 B 1]
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expr {[sqlite3_memory_highwater]<(5 * 1024 * 1024)}
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} {1}
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do_test incrblob2-7.3 {
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seek $h 0 end
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tell $h
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} [expr 10 * 1024 * 1024]
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do_test incrblob2-7.4 {
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expr {[sqlite3_memory_highwater]<(5 * 1024 * 1024)}
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} {1}
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do_test incrblob2-7.5 {
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close $h
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} {}
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#---------------------------------------------------------------------------
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# The following tests, incrblob2-8.*, test that nothing terrible happens
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# when a statement transaction is rolled back while there are open
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# incremental-blob handles. At one point an assert() was failing when
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# this was attempted.
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#
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do_test incrblob2-8.1 {
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execsql BEGIN
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set h [db incrblob t2 B 1]
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set rc [catch {
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db eval {SELECT rowid FROM t2} { execsql "DROP TABLE t2" }
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} msg]
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list $rc $msg
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} {1 {database table is locked}}
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do_test incrblob2-8.2 {
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close $h
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execsql COMMIT
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} {}
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do_test incrblob2-8.3 {
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execsql {
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CREATE TABLE t3(a INTEGER UNIQUE, b TEXT);
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INSERT INTO t3 VALUES(1, 'aaaaaaaaaaaaaaaaaaaa');
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INSERT INTO t3 VALUES(2, 'bbbbbbbbbbbbbbbbbbbb');
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INSERT INTO t3 VALUES(3, 'cccccccccccccccccccc');
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INSERT INTO t3 VALUES(4, 'dddddddddddddddddddd');
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INSERT INTO t3 VALUES(5, 'eeeeeeeeeeeeeeeeeeee');
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}
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} {}
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do_test incrblob2-8.4 {
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execsql BEGIN
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set h [db incrblob t3 b 3]
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sqlite3_blob_read $h 0 20
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} {cccccccccccccccccccc}
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do_test incrblob2-8.5 {
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catchsql {UPDATE t3 SET a = 6 WHERE a > 3}
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} {1 {UNIQUE constraint failed: t3.a}}
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do_test incrblob2-8.6 {
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catchsql {UPDATE t3 SET a = 6 WHERE a > 3}
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} {1 {UNIQUE constraint failed: t3.a}}
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do_test incrblob2-8.7 {
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sqlite3_blob_read $h 0 20
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} {cccccccccccccccccccc}
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do_test incrblob2-8.8 {
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catchsql {UPDATE t3 SET a = 6 WHERE a = 3 OR a = 5}
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} {1 {UNIQUE constraint failed: t3.a}}
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do_test incrblob2-8.9 {
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set rc [catch {sqlite3_blob_read $h 0 20} msg]
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list $rc $msg
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} {1 SQLITE_ABORT}
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do_test incrblob2-8.X {
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close $h
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} {}
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finish_test
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