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# 2010 October 20
#
# 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.
#
#***********************************************************************
#
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
sqlite3 db test.db
sqlite3_db_config_lookaside db 0 0 0
do_execsql_test incrblob3-1.1 {
CREATE TABLE blobs(k INTEGER PRIMARY KEY, v BLOB);
INSERT INTO blobs VALUES(1, zeroblob(100));
INSERT INTO blobs VALUES(2, zeroblob(100));
} {}
# Test the sqlite3_blob_reopen()/read()/write() functions.
#
do_test incrblob3-1.2 {
set ::blob [db incrblob blobs v 1]
puts $::blob "hello world"
} {}
do_test incrblob3-1.3 {
sqlite3_blob_reopen $::blob 2
puts $::blob "world hello"
} {}
do_test incrblob3-1.4 {
sqlite3_blob_reopen $::blob 1
gets $::blob
} {hello world}
do_test incrblob3-1.5 {
sqlite3_blob_reopen $::blob 2
gets $::blob
} {world hello}
do_test incrblob3-1.6 { close $::blob } {}
# Test some error conditions.
#
# incrblob3-2.1: Attempting to reopen a row that does not exist.
# incrblob3-2.2: Attempting to reopen a row that does not contain a blob
# or text value.
#
do_test incrblob3-2.1.1 {
set ::blob [db incrblob blobs v 1]
list [catch {sqlite3_blob_reopen $::blob 3} msg] $msg
} {1 SQLITE_ERROR}
do_test incrblob3-2.1.2 {
list [sqlite3_errcode db] [sqlite3_errmsg db]
} {SQLITE_ERROR {no such rowid: 3}}
do_test incrblob3-2.1.3 {
list [catch {sqlite3_blob_reopen $::blob 1} msg] $msg
} {1 SQLITE_ABORT}
do_test incrblob3-2.1.4 { close $::blob } {}
do_execsql_test incrblob3-2.2.1 {
INSERT INTO blobs VALUES(3, 42);
INSERT INTO blobs VALUES(4, 54.4);
INSERT INTO blobs VALUES(5, NULL);
}
foreach {tn rowid type} {
1 3 integer
2 4 real
3 5 null
} {
do_test incrblob3-2.2.$tn.1 {
set ::blob [db incrblob blobs v 1]
list [catch {sqlite3_blob_reopen $::blob $rowid} msg] $msg
} {1 SQLITE_ERROR}
do_test incrblob3-2.2.$tn.2 {
list [sqlite3_errcode db] [sqlite3_errmsg db]
} "SQLITE_ERROR {cannot open value of type $type}"
do_test incrblob3-2.2.$tn.3 {
list [catch {sqlite3_blob_reopen $::blob 1} msg] $msg
} {1 SQLITE_ABORT}
do_test incrblob3-2.2.$tn.4 {
list [catch {sqlite3_blob_read $::blob 0 10} msg] $msg
} {1 SQLITE_ABORT}
do_test incrblob3-2.2.$tn.5 {
list [catch {sqlite3_blob_write $::blob 0 "abcd"} msg] $msg
} {1 SQLITE_ABORT}
do_test incrblob3-2.2.$tn.6 {
sqlite3_blob_bytes $::blob
} {0}
do_test incrblob3-2.2.$tn.7 { close $::blob } {}
}
# Test that passing NULL to sqlite3_blob_XXX() APIs returns SQLITE_MISUSE.
#
# incrblob3-3.1: sqlite3_blob_reopen()
# incrblob3-3.2: sqlite3_blob_read()
# incrblob3-3.3: sqlite3_blob_write()
# incrblob3-3.4: sqlite3_blob_bytes()
#
do_test incrblob3-3.1 {
list [catch {sqlite3_blob_reopen {} 3} msg] $msg
} {1 SQLITE_MISUSE}
do_test incrblob3-3.2 {
list [catch {sqlite3_blob_read {} 0 10} msg] $msg
} {1 SQLITE_MISUSE}
do_test incrblob3-3.3 {
list [catch {sqlite3_blob_write {} 0 "abcd"} msg] $msg
} {1 SQLITE_MISUSE}
do_test incrblob3-3.4 { sqlite3_blob_bytes {} } {0}
do_test incrblob3-3.5 { sqlite3_blob_close {} } {}
# Test out-of-range reading and writing
#
do_test incrblob3-4.1 {
set ::blob [db incrblob blobs v 1]
sqlite3_blob_bytes $::blob
} {100}
do_test incrblob3-4.2 {
list [catch { sqlite3_blob_read $::blob -1 10 } msg] $msg
} {1 SQLITE_ERROR}
do_test incrblob3-4.3 {
list [catch { sqlite3_blob_read $::blob 0 -10 } msg] $msg
} {1 SQLITE_ERROR}
do_test incrblob3-4.4 {
list [catch { sqlite3_blob_read $::blob 95 10 } msg] $msg
} {1 SQLITE_ERROR}
do_test incrblob3-4.5 {
list [catch { sqlite3_blob_write $::blob -1 "abcdefghij" 10 } msg] $msg
} {1 SQLITE_ERROR}
do_test incrblob3-4.6 {
list [catch { sqlite3_blob_write $::blob 0 "abcdefghij" -10 } msg] $msg
} {1 SQLITE_ERROR}
do_test incrblob3-4.7 {
list [catch { sqlite3_blob_write $::blob 95 "abcdefghij" } msg] $msg
} {1 SQLITE_ERROR}
do_test incrblob3-4.8 { close $::blob } {}
# Test that modifying the row a blob handle points to aborts the blob.
#
do_test incrblob3-5.1 {
set ::blob [db incrblob blobs v 1]
sqlite3_blob_bytes $::blob
} {100}
do_test incrblob3-5.2 {
execsql { UPDATE blobs SET v = '123456789012345678901234567890' WHERE k = 1 }
list [catch { sqlite3_blob_read $::blob 0 10 } msg] $msg
} {1 SQLITE_ABORT}
# Test various errors that can occur in sqlite3_blob_open():
#
# 1. Trying to open a virtual table column.
# 2. Trying to open a view column.
# 3. Trying to open a column that does not exist.
# 4. Trying to open a read/write handle on an indexed column.
# 5. Trying to open a read/write handle on the child key of an FK constraint.
#
ifcapable fts3 {
do_test incrblob3-6.1 {
execsql {
CREATE VIRTUAL TABLE ft USING fts3;
INSERT INTO ft VALUES('rules to open a column to which');
}
list [catch { db incrblob ft content 1 } msg] $msg
} {1 {cannot open virtual table: ft}}
}
ifcapable view {
do_test incrblob3-6.2 {
execsql { CREATE VIEW v1 AS SELECT * FROM blobs }
list [catch { db incrblob v1 content 1 } msg] $msg
} {1 {cannot open view: v1}}
}
do_test incrblob3-6.3 {
list [catch { db incrblob blobs content 1 } msg] $msg
} {1 {no such column: "content"}}
do_test incrblob3-6.4.1 {
execsql {
CREATE TABLE t1(a, b);
CREATE INDEX i1 ON t1(b);
INSERT INTO t1 VALUES(zeroblob(100), zeroblob(100));
}
list [catch { db incrblob t1 b 1 } msg] $msg
} {1 {cannot open indexed column for writing}}
do_test incrblob3-6.4.2 {
set ::blob [db incrblob t1 a 1]
close $::blob
} {}
do_test incrblob3-6.4.3 {
set ::blob [db incrblob -readonly t1 b 1]
close $::blob
} {}
do_test incrblob3-6.5.1 {
execsql {
CREATE TABLE p1(a PRIMARY KEY);
CREATE TABLE c1(a, b REFERENCES p1);
PRAGMA foreign_keys = 1;
INSERT INTO p1 VALUES(zeroblob(100));
INSERT INTO c1 VALUES(zeroblob(100), zeroblob(100));
}
list [catch { db incrblob c1 b 1 } msg] $msg
} {1 {cannot open foreign key column for writing}}
do_test incrblob3-6.5.2 {
set ::blob [db incrblob c1 a 1]
close $::blob
} {}
do_test incrblob3-6.5.3 {
set ::blob [db incrblob -readonly c1 b 1]
close $::blob
} {}
do_test incrblob3-6.5.4 {
execsql { PRAGMA foreign_keys = 0 }
set ::blob [db incrblob c1 b 1]
close $::blob
} {}
# Test that sqlite3_blob_open() handles transient and persistent schema
# errors correctly.
#
do_test incrblob3-7.1 {
sqlite3 db2 test.db
sqlite3_db_config_lookaside db2 0 0 0
execsql { CREATE TABLE t2(x) } db2
set ::blob [db incrblob blobs v 1]
close $::blob
} {}
db2 close
testvfs tvfs -default 1
tvfs filter xAccess
tvfs script access_method
proc access_method {args} {
set schemacookie [hexio_get_int [hexio_read test.db 40 4]]
incr schemacookie
hexio_write test.db 40 [hexio_render_int32 $schemacookie]
set dbversion [hexio_get_int [hexio_read test.db 24 4]]
incr dbversion
hexio_write test.db 24 [hexio_render_int32 $dbversion]
return ""
}
do_test incrblob3-7.2 {
sqlite3 db test.db
sqlite3_db_config_lookaside db 0 0 0
list [catch {db incrblob blobs v 1} msg] $msg
} {1 {database schema has changed}}
db close
tvfs delete
finish_test
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