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| -rw-r--r-- | test/incrblob2.test | 453 |
1 files changed, 453 insertions, 0 deletions
diff --git a/test/incrblob2.test b/test/incrblob2.test new file mode 100644 index 0000000..989da14 --- /dev/null +++ b/test/incrblob2.test @@ -0,0 +1,453 @@ +# 2008 June 9 +# +# 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. +# +#*********************************************************************** +# +# Test that it is possible to have two open blob handles on a single +# blob object. +# +# $Id: incrblob2.test,v 1.11 2009/06/29 06:00:37 danielk1977 Exp $ +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +ifcapable {!autovacuum || !pragma || !incrblob} { + finish_test + return +} + +do_test incrblob2-1.0 { + execsql { + CREATE TABLE blobs(id INTEGER PRIMARY KEY, data BLOB); + INSERT INTO blobs VALUES(NULL, zeroblob(5000)); + INSERT INTO blobs VALUES(NULL, zeroblob(5000)); + INSERT INTO blobs VALUES(NULL, zeroblob(5000)); + INSERT INTO blobs VALUES(NULL, zeroblob(5000)); + } +} {} + +foreach iOffset [list 0 256 4094] { + do_test incrblob2-1.$iOffset.1 { + set fd [db incrblob blobs data 1] + puts $fd "[string repeat x $iOffset]SQLite version 3.6.0" + close $fd + } {} + + do_test incrblob2-1.$iOffset.2 { + set fd1 [db incrblob blobs data 1] + set fd2 [db incrblob blobs data 1] + fconfigure $fd1 -buffering none + fconfigure $fd2 -buffering none + if {$iOffset != 0} { + seek $fd2 $iOffset start + seek $fd1 $iOffset start + } + read $fd1 6 + } {SQLite} + + do_test incrblob2-1.$iOffset.3 { + read $fd2 6 + } {SQLite} + + do_test incrblob2-1.$iOffset.4 { + seek $fd2 $iOffset start + seek $fd1 $iOffset start + puts -nonewline $fd2 "etiLQS" + } {} + + + do_test incrblob2-1.$iOffset.5 { + seek $fd1 $iOffset start + read $fd1 6 + } {etiLQS} + + do_test incrblob2-1.$iOffset.6 { + seek $fd2 $iOffset start + read $fd2 6 + } {etiLQS} + + do_test incrblob2-1.$iOffset.7 { + seek $fd1 $iOffset start + read $fd1 6 + } {etiLQS} + + do_test incrblob2-1.$iOffset.8 { + close $fd1 + close $fd2 + } {} +} + +#-------------------------------------------------------------------------- + +foreach iOffset [list 0 256 4094] { + + do_test incrblob2-2.$iOffset.1 { + set fd1 [db incrblob blobs data 1] + seek $fd1 [expr $iOffset - 5000] end + fconfigure $fd1 -buffering none + + set fd2 [db incrblob blobs data 1] + seek $fd2 [expr $iOffset - 5000] end + fconfigure $fd2 -buffering none + + puts -nonewline $fd1 "123456" + } {} + + do_test incrblob2-2.$iOffset.2 { + read $fd2 6 + } {123456} + + do_test incrblob2-2.$iOffset.3 { + close $fd1 + close $fd2 + } {} +} + +do_test incrblob2-3.1 { + set fd1 [db incrblob blobs data 1] + fconfigure $fd1 -buffering none +} {} +do_test incrblob2-3.2 { + execsql { + INSERT INTO blobs VALUES(5, zeroblob(10240)); + } +} {} +do_test incrblob2-3.3 { + set rc [catch { read $fd1 6 } msg] + list $rc $msg +} {0 123456} +do_test incrblob2-3.4 { + close $fd1 +} {} + +#-------------------------------------------------------------------------- +# The following tests - incrblob2-4.* - test that blob handles are +# invalidated at the correct times. +# +do_test incrblob2-4.1 { + unset -nocomplain data + db eval BEGIN + db eval { CREATE TABLE t1(id INTEGER PRIMARY KEY, data BLOB); } + for {set ii 1} {$ii < 100} {incr ii} { + set data [string repeat "blob$ii" 500] + db eval { INSERT INTO t1 VALUES($ii, $data) } + } + db eval COMMIT +} {} + +proc aborted_handles {} { + global handles + + set aborted {} + for {set ii 1} {$ii < 100} {incr ii} { + set str "blob$ii" + set nByte [string length $str] + set iOffset [expr $nByte * $ii * 2] + + set rc [catch {sqlite3_blob_read $handles($ii) $iOffset $nByte} msg] + if {$rc && $msg eq "SQLITE_ABORT"} { + lappend aborted $ii + } else { + if {$rc || $msg ne $str} { + error "blob $ii: $msg" + } + } + } + set aborted +} + +do_test incrblob2-4.2 { + for {set ii 1} {$ii < 100} {incr ii} { + set handles($ii) [db incrblob t1 data $ii] + } + aborted_handles +} {} + +# Update row 3. This should abort handle 3 but leave all others untouched. +# +do_test incrblob2-4.3 { + db eval {UPDATE t1 SET data = data || '' WHERE id = 3} + aborted_handles +} {3} + +# Test that a write to handle 3 also returns SQLITE_ABORT. +# +do_test incrblob2-4.3.1 { + set rc [catch {sqlite3_blob_write $::handles(3) 10 HELLO} msg] + list $rc $msg +} {1 SQLITE_ABORT} + +# Delete row 14. This should abort handle 6 but leave all others untouched. +# +do_test incrblob2-4.4 { + db eval {DELETE FROM t1 WHERE id = 14} + aborted_handles +} {3 14} + +# Change the rowid of row 15 to 102. Should abort handle 15. +# +do_test incrblob2-4.5 { + db eval {UPDATE t1 SET id = 102 WHERE id = 15} + aborted_handles +} {3 14 15} + +# Clobber row 92 using INSERT OR REPLACE. +# +do_test incrblob2-4.6 { + db eval {INSERT OR REPLACE INTO t1 VALUES(92, zeroblob(1000))} + aborted_handles +} {3 14 15 92} + +# Clobber row 65 using UPDATE OR REPLACE on row 35. This should abort +# handles 35 and 65. +# +do_test incrblob2-4.7 { + db eval {UPDATE OR REPLACE t1 SET id = 65 WHERE id = 35} + aborted_handles +} {3 14 15 35 65 92} + +# Insert a couple of new rows. This should not invalidate any handles. +# +do_test incrblob2-4.9 { + db eval {INSERT INTO t1 SELECT NULL, data FROM t1} + aborted_handles +} {3 14 15 35 65 92} + +# Delete all rows from 1 to 25. This should abort all handles up to 25. +# +do_test incrblob2-4.9 { + db eval {DELETE FROM t1 WHERE id >=1 AND id <= 25} + aborted_handles +} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 35 65 92} + +# Delete the whole table (this will use sqlite3BtreeClearTable()). All handles +# should now be aborted. +# +do_test incrblob2-4.10 { + db eval {DELETE FROM t1} + aborted_handles +} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99} + +do_test incrblob2-4.1.X { + for {set ii 1} {$ii < 100} {incr ii} { + close $handles($ii) + } +} {} + +#-------------------------------------------------------------------------- +# The following tests - incrblob2-5.* - test that in shared cache an open +# blob handle counts as a read-lock on its table. +# +ifcapable shared_cache { + db close + set ::enable_shared_cache [sqlite3_enable_shared_cache 1] + + do_test incrblob2-5.1 { + sqlite3 db test.db + sqlite3 db2 test.db + + execsql { + INSERT INTO t1 VALUES(1, 'abcde'); + } + } {} + + do_test incrblob2-5.2 { + catchsql { INSERT INTO t1 VALUES(2, 'fghij') } db2 + } {0 {}} + + do_test incrblob2-5.3 { + set blob [db incrblob t1 data 1] + catchsql { INSERT INTO t1 VALUES(3, 'klmno') } db2 + } {1 {database table is locked}} + + do_test incrblob2-5.4 { + close $blob + execsql BEGIN db2 + catchsql { INSERT INTO t1 VALUES(4, 'pqrst') } db2 + } {0 {}} + + do_test incrblob2-5.5 { + set rc [catch { db incrblob -readonly t1 data 1 } msg] + list $rc $msg + } {1 {database table is locked: t1}} + + do_test incrblob2-5.6 { + execsql { PRAGMA read_uncommitted=1 } + set blob [db incrblob -readonly t1 data 4] + read $blob + } {pqrst} + + do_test incrblob2-5.7 { + catchsql { INSERT INTO t1 VALUES(3, 'klmno') } db2 + } {0 {}} + + do_test incrblob2-5.8 { + close $blob + } {} + + db2 close + db close + sqlite3_enable_shared_cache $::enable_shared_cache +} + +#-------------------------------------------------------------------------- +# The following tests - incrblob2-6.* - test a specific scenario that might +# be causing an error. +# +sqlite3 db test.db +do_test incrblob2-6.1 { + execsql { + DELETE FROM t1; + INSERT INTO t1 VALUES(1, zeroblob(100)); + } + + set rdHandle [db incrblob -readonly t1 data 1] + set wrHandle [db incrblob t1 data 1] + + sqlite3_blob_read $rdHandle 0 100 + + sqlite3_blob_write $wrHandle 0 ABCDEF + + close $wrHandle + close $rdHandle +} {} + +do_test incrblob2-6.2 { + set rdHandle [db incrblob -readonly t1 data 1] + sqlite3_blob_read $rdHandle 0 2 +} {AB} + +if {$::tcl_platform(pointerSize)>=8} { + do_test incrblob2-6.2b { + set rc [catch { + # Prior to 2015-02-07, the following caused a segfault due to + # integer overflow. + sqlite3_blob_read $rdHandle 2147483647 2147483647 + } errmsg] + if {[string match {out of memory in *test_blob.c} $errmsg]} { + set errmsg SQLITE_ERROR + } + lappend rc $errmsg + } {1 SQLITE_ERROR} +} +do_test incrblob2-6.2c { + set rc [catch { + # Prior to 2015-02-07, the following caused a segfault due to + # integer overflow. + sqlite3_blob_read $rdHandle 2147483647 100 + } errmsg] + lappend rc $errmsg +} {1 SQLITE_ERROR} + +do_test incrblob2-6.3 { + set wrHandle [db incrblob t1 data 1] + sqlite3_blob_write $wrHandle 0 ZZZZZZZZZZ + sqlite3_blob_read $rdHandle 2 4 +} {ZZZZ} + +do_test incrblob2-6.3b { + set rc [catch { + # Prior to 2015-02-07, the following caused a segfault due to + # integer overflow. + sqlite3_blob_write $wrHandle 2147483647 YYYYYYYYYYYYYYYYYY + } errmsg] + lappend rc $errmsg +} {1 SQLITE_ERROR} +do_test incrblob2-6.3c { + sqlite3_blob_read $rdHandle 2 4 +} {ZZZZ} + + +do_test incrblob2-6.4 { + close $wrHandle + close $rdHandle +} {} + +sqlite3_memory_highwater 1 +do_test incrblob2-7.1 { + db eval { + CREATE TABLE t2(B BLOB); + INSERT INTO t2 VALUES(zeroblob(10 * 1024 * 1024)); + } + expr {[sqlite3_memory_highwater]<(5 * 1024 * 1024)} +} {1} + +do_test incrblob2-7.2 { + set h [db incrblob t2 B 1] + expr {[sqlite3_memory_highwater]<(5 * 1024 * 1024)} +} {1} + +do_test incrblob2-7.3 { + seek $h 0 end + tell $h +} [expr 10 * 1024 * 1024] + +do_test incrblob2-7.4 { + expr {[sqlite3_memory_highwater]<(5 * 1024 * 1024)} +} {1} + +do_test incrblob2-7.5 { + close $h +} {} + +#--------------------------------------------------------------------------- +# The following tests, incrblob2-8.*, test that nothing terrible happens +# when a statement transaction is rolled back while there are open +# incremental-blob handles. At one point an assert() was failing when +# this was attempted. +# +do_test incrblob2-8.1 { + execsql BEGIN + set h [db incrblob t2 B 1] + set rc [catch { + db eval {SELECT rowid FROM t2} { execsql "DROP TABLE t2" } + } msg] + list $rc $msg +} {1 {database table is locked}} +do_test incrblob2-8.2 { + close $h + execsql COMMIT +} {} +do_test incrblob2-8.3 { + execsql { + CREATE TABLE t3(a INTEGER UNIQUE, b TEXT); + INSERT INTO t3 VALUES(1, 'aaaaaaaaaaaaaaaaaaaa'); + INSERT INTO t3 VALUES(2, 'bbbbbbbbbbbbbbbbbbbb'); + INSERT INTO t3 VALUES(3, 'cccccccccccccccccccc'); + INSERT INTO t3 VALUES(4, 'dddddddddddddddddddd'); + INSERT INTO t3 VALUES(5, 'eeeeeeeeeeeeeeeeeeee'); + } +} {} +do_test incrblob2-8.4 { + execsql BEGIN + set h [db incrblob t3 b 3] + sqlite3_blob_read $h 0 20 +} {cccccccccccccccccccc} +do_test incrblob2-8.5 { + catchsql {UPDATE t3 SET a = 6 WHERE a > 3} +} {1 {UNIQUE constraint failed: t3.a}} +do_test incrblob2-8.6 { + catchsql {UPDATE t3 SET a = 6 WHERE a > 3} +} {1 {UNIQUE constraint failed: t3.a}} +do_test incrblob2-8.7 { + sqlite3_blob_read $h 0 20 +} {cccccccccccccccccccc} +do_test incrblob2-8.8 { + catchsql {UPDATE t3 SET a = 6 WHERE a = 3 OR a = 5} +} {1 {UNIQUE constraint failed: t3.a}} +do_test incrblob2-8.9 { + set rc [catch {sqlite3_blob_read $h 0 20} msg] + list $rc $msg +} {1 SQLITE_ABORT} +do_test incrblob2-8.X { + close $h +} {} + +finish_test |