65 lines
1.7 KiB
Plaintext
65 lines
1.7 KiB
Plaintext
# 2010 July 1
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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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# Verify that an empty database and a non-empty WAL file do not
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# result in database corruption
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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/malloc_common.tcl
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ifcapable !wal {finish_test ; return }
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do_test wal4-1.1 {
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execsql {
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PRAGMA journal_mode=WAL;
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(1);
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INSERT INTO t1 VALUES(2);
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SELECT x FROM t1 ORDER BY x;
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}
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} {wal 1 2}
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do_test wal4-1.2 {
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# Save a copy of the file-system containing the wal and wal-index files
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# only (no database file).
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faultsim_save_and_close
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forcedelete sv_test.db
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} {}
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do_test wal4-1.3 {
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faultsim_restore_and_reopen
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catchsql { SELECT * FROM t1 }
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} {1 {no such table: t1}}
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do_faultsim_test wal4-2 -prep {
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faultsim_restore_and_reopen
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} -body {
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execsql { SELECT name FROM sqlite_master }
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} -test {
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# Result should be zero rows (empty db file).
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#
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faultsim_test_result {0 {}}
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# If the SELECT finished successfully, the WAL file should have been
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# deleted. In no case should the database file have been written, so
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# it should still be zero bytes in size regardless of whether or not
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# a fault was injected. Test these assertions:
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#
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if { $testrc==0 && [file exists test.db-wal] } {
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error "Wal file was not deleted"
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}
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if { [file size test.db]!=0 } {
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error "Db file grew to [file size test.db] bytes"
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}
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}
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finish_test
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