279 lines
7.1 KiB
Plaintext
279 lines
7.1 KiB
Plaintext
# 2011 March 29
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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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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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source $testdir/lock_common.tcl
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source $testdir/malloc_common.tcl
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if {[llength [info commands test_syscall]]==0} {
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finish_test
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return
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}
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if {[test_syscall defaultvfs] != "unix"} {
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finish_test
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return
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}
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set testprefix syscall
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#-------------------------------------------------------------------------
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# Tests for the xSetSystemCall method.
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#
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do_test 1.1.1 {
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list [catch { test_syscall reset open } msg] $msg
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} {0 {}}
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do_test 1.1.2 {
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list [catch { test_syscall reset nosuchcall } msg] $msg
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} {1 SQLITE_NOTFOUND}
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do_test 1.1.3 {
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list [catch { test_syscall reset open } msg] $msg
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} {0 {}}
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do_test 1.1.4 {
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list [catch { test_syscall reset ""} msg] $msg
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} {1 SQLITE_NOTFOUND}
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do_test 1.2 { test_syscall reset } {}
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do_test 1.3.1 { test_syscall install {open getcwd access} } {}
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do_test 1.3.2 { test_syscall reset } {}
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#-------------------------------------------------------------------------
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# Tests for the xGetSystemCall method.
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#
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do_test 2.1.1 { test_syscall exists open } 1
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do_test 2.1.2 { test_syscall exists nosuchcall } 0
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#-------------------------------------------------------------------------
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# Tests for the xNextSystemCall method.
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#
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foreach s {
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open close access getcwd stat fstat ftruncate
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fcntl read pread write pwrite fchmod fallocate
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pread64 pwrite64 unlink openDirectory mkdir rmdir
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statvfs fchown geteuid umask mmap munmap mremap
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getpagesize readlink lstat
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} {
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if {[test_syscall exists $s]} {lappend syscall_list $s}
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}
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do_test 3.1 { lsort [test_syscall list] } [lsort $syscall_list]
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#-------------------------------------------------------------------------
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# This test verifies that if a call to open() fails and errno is set to
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# EINTR, the call is retried. If it succeeds, execution continues as if
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# nothing happened.
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#
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test_syscall reset
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forcedelete test.db2
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do_execsql_test 4.1 {
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CREATE TABLE t1(x, y);
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INSERT INTO t1 VALUES(1, 2);
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ATTACH 'test.db2' AS aux;
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CREATE TABLE aux.t2(x, y);
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INSERT INTO t2 VALUES(3, 4);
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}
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db_save_and_close
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test_syscall install open
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foreach jrnl [list wal delete] {
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for {set i 1} {$i < 20} {incr i} {
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db_restore_and_reopen
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test_syscall fault $i 0
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test_syscall errno open EINTR
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do_test 4.2.$jrnl.$i {
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sqlite3 db test.db
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execsql { ATTACH 'test.db2' AS aux }
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execsql "PRAGMA main.journal_mode = $jrnl"
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execsql "PRAGMA aux.journal_mode = $jrnl"
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execsql {
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BEGIN;
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INSERT INTO t1 VALUES(5, 6);
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INSERT INTO t2 VALUES(7, 8);
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COMMIT;
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}
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db close
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sqlite3 db test.db
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execsql { ATTACH 'test.db2' AS aux }
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execsql {
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SELECT * FROM t1;
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SELECT * FROM t2;
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}
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} {1 2 5 6 3 4 7 8}
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}
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}
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#-------------------------------------------------------------------------
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# This test verifies that closing database handles does not drop locks
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# held by other database handles in the same process on the same file.
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#
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# The os_unix.c module has to take precautions to prevent this as the
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# close() system call drops locks held by other file-descriptors on the
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# same file. From the Linux man page:
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#
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# close() closes a file descriptor, so that it no longer refers to any file
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# and may be reused. Any record locks (see fcntl(2)) held on the file it
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# was associated with, and owned by the process, are removed (regardless
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# of the file descriptor that was used to obtain the lock).
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#
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catch { db close }
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forcedelete test.db test.db2
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do_multiclient_test tn {
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code1 {
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sqlite3 dbX1 test.db
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sqlite3 dbX2 test.db
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}
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do_test syscall-5.$tn.1 {
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sql1 {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 2);
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BEGIN;
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INSERT INTO t1 VALUES(3, 4);
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}
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} {}
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do_test syscall-5.$tn.2 { sql2 { SELECT * FROM t1 } } {1 2}
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do_test syscall-5.$tn.3 {
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csql2 { INSERT INTO t1 VALUES(5, 6) }
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} {1 {database is locked}}
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do_test syscall-5.$tn.4 {
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code1 {
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dbX1 close
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dbX2 close
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}
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} {}
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do_test syscall-5.$tn.5 {
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csql2 { INSERT INTO t1 VALUES(5, 6) }
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} {1 {database is locked}}
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do_test syscall-5.$tn.6 { sql1 { COMMIT } } {}
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do_test syscall-5.$tn.7 {
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csql2 { INSERT INTO t1 VALUES(5, 6) }
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} {0 {}}
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}
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catch {db close}
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do_test 6.1 {
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sqlite3 db1 test.db1
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sqlite3 db2 test.db2
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sqlite3 db3 test.db3
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sqlite3 dbM ""
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db2 close
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db3 close
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dbM close
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db1 close
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} {}
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do_test 6.2 {
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sqlite3 db test.db
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execsql {
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PRAGMA temp_store = file;
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PRAGMA main.cache_size = 10;
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PRAGMA temp.cache_size = 10;
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CREATE TABLE temp.tt(a, b);
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INSERT INTO tt VALUES(randomblob(500), randomblob(600));
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INSERT INTO tt SELECT randomblob(500), randomblob(600) FROM tt;
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INSERT INTO tt SELECT randomblob(500), randomblob(600) FROM tt;
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INSERT INTO tt SELECT randomblob(500), randomblob(600) FROM tt;
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INSERT INTO tt SELECT randomblob(500), randomblob(600) FROM tt;
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INSERT INTO tt SELECT randomblob(500), randomblob(600) FROM tt;
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INSERT INTO tt SELECT randomblob(500), randomblob(600) FROM tt;
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INSERT INTO tt SELECT randomblob(500), randomblob(600) FROM tt;
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INSERT INTO tt SELECT randomblob(500), randomblob(600) FROM tt;
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}
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db close
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} {}
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#-------------------------------------------------------------------------
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# Test that a database file a single byte in size is treated as an empty
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# file. Whereas a file 2 bytes or larger might be considered corrupt.
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#
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catch { db close }
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forcedelete test.db test.db2
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proc create_db_file {nByte} {
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set fd [open test.db w]
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fconfigure $fd -translation binary -encoding binary
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puts -nonewline $fd [string range "xSQLite" 1 $nByte]
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close $fd
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}
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foreach {nByte res} {
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1 {0 {}}
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2 {1 {file is encrypted or is not a database}}
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3 {1 {file is encrypted or is not a database}}
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} {
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do_test 7.$nByte {
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create_db_file $nByte
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list [catch {
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sqlite3 db test.db
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execsql { CREATE TABLE t1(a, b) }
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} msg] $msg
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} $res
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catch { db close }
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}
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#-------------------------------------------------------------------------
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#
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catch { db close }
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forcedelete test.db test.db2
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do_test 8.1 {
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sqlite3 db test.db
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file_control_chunksize_test db main 4096
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file size test.db
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} {0}
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foreach {tn hint size} {
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1 1000 4096
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2 1000 4096
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3 3000 4096
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4 4096 4096
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5 4197 8192
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} {
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do_test 8.2.$tn {
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file_control_sizehint_test db main $hint
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file size test.db
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} $size
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}
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do_test 8.3 {
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db close
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forcedelete test.db test.db2
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sqlite3 db test.db
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file_control_chunksize_test db main 16
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file size test.db
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} {0}
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foreach {tn hint size} {
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1 5 16
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2 13 16
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3 45 48
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4 48 48
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5 49 64
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} {
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do_test 8.4.$tn {
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file_control_sizehint_test db main $hint
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file size test.db
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} $size
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}
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test_syscall reset
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finish_test
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