summaryrefslogtreecommitdiff
path: root/test/incrblob2.test
diff options
context:
space:
mode:
authorHans-Christoph Steiner <hans@eds.org>2012-03-30 20:42:12 -0400
committerHans-Christoph Steiner <hans@eds.org>2012-03-30 20:42:12 -0400
commit7bb481fda9ecb134804b49c2ce77ca28f7eea583 (patch)
tree31b520b9914d3e2453968abe375f2c102772c3dc /test/incrblob2.test
Imported Upstream version 2.0.3
Diffstat (limited to 'test/incrblob2.test')
-rw-r--r--test/incrblob2.test418
1 files changed, 418 insertions, 0 deletions
diff --git a/test/incrblob2.test b/test/incrblob2.test
new file mode 100644
index 0000000..9046de2
--- /dev/null
+++ b/test/incrblob2.test
@@ -0,0 +1,418 @@
+# 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}
+
+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 incrblob2-6.4 {
+ 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 {column a is not unique}}
+do_test incrblob2-8.6 {
+ catchsql {UPDATE t3 SET a = 6 WHERE a > 3}
+} {1 {column a is not unique}}
+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 {column a is not unique}}
+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