# 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