mirror of
https://github.com/tursodatabase/libsql.git
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279 lines
7.6 KiB
Plaintext
279 lines
7.6 KiB
Plaintext
# 2011 March 28
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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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set testprefix sysfault
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set FAULTSIM(vfsfault-transient) [list \
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-injectinstall vfsfault_install \
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-injectstart vfsfault_injectstart_t \
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-injectstop vfsfault_injectstop \
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-injecterrlist {} \
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-injectuninstall {test_syscall uninstall} \
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]
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set FAULTSIM(vfsfault-persistent) [list \
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-injectinstall vfsfault_install \
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-injectstart vfsfault_injectstart_p \
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-injectstop vfsfault_injectstop \
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-injecterrlist {} \
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-injectuninstall {test_syscall uninstall} \
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]
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proc vfsfault_injectstart_t {iFail} { test_syscall fault $iFail 0 }
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proc vfsfault_injectstart_p {iFail} { test_syscall fault $iFail 1 }
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proc vfsfault_injectstop {} { test_syscall fault }
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faultsim_save_and_close
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set open_and_write_body {
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sqlite3 db test.db
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db eval {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 2);
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PRAGMA journal_mode = WAL;
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INSERT INTO t1 VALUES(3, 4);
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SELECT * FROM t1;
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CREATE TEMP TABLE t2(x);
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INSERT INTO t2 VALUES('y');
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}
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}
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proc vfsfault_install {} { test_syscall install {open getcwd} }
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do_faultsim_test 1 -faults vfsfault-* -prep {
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faultsim_restore
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} -body $open_and_write_body -test {
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faultsim_test_result {0 {wal 1 2 3 4}} \
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{1 {unable to open database file}} \
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{1 {attempt to write a readonly database}}
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}
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#-------------------------------------------------------------------------
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# Errors in the fstat() function when opening and writing a file. Cases
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# where fstat() fails and sets errno to ENOMEM and EOVERFLOW are both
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# tested. EOVERFLOW is interpreted as meaning that a file on disk is
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# too large to be opened by the OS.
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#
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foreach {tn errno errlist} {
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1 ENOMEM {{disk I/O error}}
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2 EOVERFLOW {{disk I/O error} {large file support is disabled}}
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} {
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proc vfsfault_install {} { test_syscall install fstat }
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set errs [list]
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foreach e $errlist { lappend errs [list 1 $e] }
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do_faultsim_test 1.2.$tn -faults vfsfault-* -prep {
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faultsim_restore
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} -body "
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test_syscall errno fstat $errno
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$open_and_write_body
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" -test "
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faultsim_test_result {0 {wal 1 2 3 4}} $errs
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"
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}
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#-------------------------------------------------------------------------
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# Various errors in locking functions.
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#
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foreach vfs {unix unix-excl} {
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foreach {tn errno errlist} {
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1 EAGAIN {{database is locked} {disk I/O error}}
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2 ETIMEDOUT {{database is locked} {disk I/O error}}
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3 EBUSY {{database is locked} {disk I/O error}}
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4 EINTR {{database is locked} {disk I/O error}}
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5 ENOLCK {{database is locked} {disk I/O error}}
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6 EACCES {{database is locked} {disk I/O error}}
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7 EPERM {{access permission denied} {disk I/O error}}
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8 EDEADLK {{disk I/O error}}
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9 ENOMEM {{disk I/O error}}
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} {
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proc vfsfault_install {} { test_syscall install fcntl }
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set errs [list]
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foreach e $errlist { lappend errs [list 1 $e] }
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set body [string map [list %VFS% $vfs] {
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sqlite3 db test.db
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db eval {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 2);
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}
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set fd [open test.db-journal w]
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puts $fd "hello world"
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close $fd
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sqlite3 db test.db -vfs %VFS%
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db eval {
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SELECT * FROM t1;
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}
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}]
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do_faultsim_test 1.3.$vfs.$tn -faults vfsfault-* -prep {
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faultsim_restore
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} -body "
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test_syscall errno fcntl $errno
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$body
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" -test "
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faultsim_test_result {0 {1 2}} $errs
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"
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}
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}
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#-------------------------------------------------------------------------
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# Check that a single EINTR error does not affect processing.
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#
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proc vfsfault_install {} {
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test_syscall reset
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test_syscall install {open ftruncate close read pread pread64 write fallocate}
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}
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forcedelete test.db test.db2
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sqlite3 db test.db
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do_test 2.setup {
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execsql {
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CREATE TABLE t1(a, b, c, PRIMARY KEY(a));
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INSERT INTO t1 VALUES('abc', 'def', 'ghi');
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ATTACH 'test.db2' AS 'aux';
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CREATE TABLE aux.t2(x);
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INSERT INTO t2 VALUES(1);
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}
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faultsim_save_and_close
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} {}
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do_faultsim_test 2.1 -faults vfsfault-transient -prep {
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catch { db close }
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faultsim_restore
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} -body {
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test_syscall errno open EINTR
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test_syscall errno ftruncate EINTR
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test_syscall errno close EINTR
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test_syscall errno read EINTR
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test_syscall errno pread EINTR
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test_syscall errno pread64 EINTR
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test_syscall errno write EINTR
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test_syscall errno fallocate EINTR
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sqlite3 db test.db
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file_control_chunksize_test db main 8192
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set res [db eval {
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ATTACH 'test.db2' AS 'aux';
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SELECT * FROM t1;
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PRAGMA journal_mode = truncate;
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BEGIN;
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INSERT INTO t1 VALUES('jkl', 'mno', 'pqr');
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INSERT INTO t1 VALUES(randomblob(10000), 0, 0);
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UPDATE t2 SET x = 2;
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COMMIT;
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DELETE FROM t1 WHERE length(a)>3;
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SELECT * FROM t1;
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SELECT * FROM t2;
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}]
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db close
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set res
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} -test {
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faultsim_test_result {0 {abc def ghi truncate abc def ghi jkl mno pqr 2}}
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}
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do_faultsim_test 2.2 -faults vfsfault-* -prep {
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catch { db close }
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faultsim_restore
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} -body {
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sqlite3 db test.db
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set res [db eval {
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ATTACH 'test.db2' AS 'aux';
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SELECT * FROM t1;
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PRAGMA journal_mode = truncate;
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BEGIN;
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INSERT INTO t1 VALUES('jkl', 'mno', 'pqr');
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UPDATE t2 SET x = 2;
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COMMIT;
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SELECT * FROM t1;
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SELECT * FROM t2;
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}]
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db close
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set res
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} -test {
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faultsim_test_result {0 {abc def ghi truncate abc def ghi jkl mno pqr 2}} \
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{1 {unable to open database file}} \
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{1 {unable to open database: test.db2}} \
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{1 {attempt to write a readonly database}} \
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{1 {disk I/O error}}
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}
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#-------------------------------------------------------------------------
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proc vfsfault_install {} {
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test_syscall reset
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test_syscall install {fstat fallocate}
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}
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do_faultsim_test 3 -faults vfsfault-* -prep {
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faultsim_delete_and_reopen
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file_control_chunksize_test db main 8192
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execsql {
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PRAGMA synchronous=OFF;
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CREATE TABLE t1(a, b);
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BEGIN;
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SELECT * FROM t1;
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}
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} -body {
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test_syscall errno fstat EIO
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test_syscall errno fallocate EIO
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execsql {
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INSERT INTO t1 VALUES(randomblob(10000), randomblob(10000));
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SELECT length(a) + length(b) FROM t1;
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COMMIT;
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}
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} -test {
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faultsim_test_result {0 20000}
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}
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#-------------------------------------------------------------------------
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# Test errors in mmap().
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#
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proc vfsfault_install {} {
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test_syscall reset
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test_syscall install {mmap}
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}
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faultsim_delete_and_reopen
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execsql {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 2);
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}
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faultsim_save_and_close
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do_faultsim_test 4 -faults vfsfault-* -prep {
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faultsim_restore_and_reopen
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file_control_chunksize_test db main 8192
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execsql {
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PRAGMA mmap_size = 1000000;
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}
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} -body {
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test_syscall errno mmap EACCES
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execsql {
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SELECT * FROM t1;
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}
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} -test {
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faultsim_test_result {0 {1 2}} {1 {disk I/O error}}
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}
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finish_test
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