| # 2010 June 16 |
| # |
| # 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. |
| # |
| #*********************************************************************** |
| # This file implements regression tests for SQLite library. Specifically, |
| # it tests that ticket [fc62af4523] has been resolved. |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| source $testdir/lock_common.tcl |
| source $testdir/malloc_common.tcl |
| |
| do_test tkt-fc62af4523.1 { |
| execsql { |
| PRAGMA cache_size = 10; |
| PRAGMA journal_mode = persist; |
| CREATE TABLE t1(a UNIQUE, b UNIQUE); |
| INSERT INTO t1 SELECT randomblob(200), randomblob(300); |
| INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 2 |
| INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 4 |
| INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 8 |
| INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 16 |
| INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 32 |
| INSERT INTO t1 SELECT randomblob(200), randomblob(300) FROM t1; -- 64 |
| } |
| execsql { |
| PRAGMA integrity_check; |
| SELECT count(*) FROM t1; |
| } |
| } {ok 64} |
| |
| # Launch an external process. Have it write (but not commit) a large |
| # transaction to the database. |
| # |
| set ::chan [launch_testfixture] |
| proc buddy {code} { testfixture $::chan $code } |
| do_test tkt-fc62af4523.2 { |
| testfixture $::chan { |
| sqlite3 db test.db |
| db eval { |
| PRAGMA cache_size = 10; |
| BEGIN; |
| UPDATE t1 SET b = randomblob(400); |
| UPDATE t1 SET a = randomblob(201); |
| } |
| } |
| file exists test.db-journal |
| } {1} |
| |
| # Now do "PRAGMA journal_mode = DELETE" in this process. At one point |
| # this was causing SQLite to delete the journal file from the file-system, |
| # even though the external process is currently using it. |
| # |
| do_test tkt-fc62af4523.3 { execsql { PRAGMA journal_mode = DELETE } } {delete} |
| do_test tkt-fc62af4523.4 { file exists test.db-journal } {1} |
| |
| # Cause the external process to crash. Since it has already written |
| # uncommitted data into the database file, the next reader will have |
| # to do a hot-journal rollback to recover the database. |
| # |
| # Or, if this test is run in a version with the bug present, the journal |
| # file has already been deleted. In this case we are left with a corrupt |
| # database file and no hot-journal to fix it with. |
| # |
| do_test tkt-fc62af4523.5 { |
| testfixture $::chan sqlite_abort |
| } {ERROR: Child process hung up} |
| after 200 |
| do_test tkt-fc62af4523.6 { |
| execsql { |
| PRAGMA integrity_check; |
| SELECT count(*) FROM t1; |
| } |
| } {ok 64} |
| |
| catch { close $::chan } |
| finish_test |