129 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2011 December 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 test simulates an application crash immediately following a
 | |
| # system call to truncate a file. Specifically, the system call that
 | |
| # truncates the WAL file if "PRAGMA journal_size_limit" is configured.
 | |
| #
 | |
| 
 | |
| set testdir [file dirname $argv0]
 | |
| source $testdir/tester.tcl
 | |
| 
 | |
| ifcapable !wal {finish_test ; return }
 | |
| set testprefix walcrash3
 | |
| 
 | |
| db close
 | |
| testvfs tvfs
 | |
| tvfs filter {xTruncate xWrite}
 | |
| tvfs script tvfs_callback
 | |
| proc tvfs_callback {args} {}
 | |
| 
 | |
| sqlite3 db test.db -vfs tvfs
 | |
| do_execsql_test 1.1 {
 | |
|   PRAGMA page_size = 1024;
 | |
|   PRAGMA journal_mode = WAL;
 | |
|   PRAGMA wal_autocheckpoint = 128;
 | |
|   PRAGMA journal_size_limit = 16384;
 | |
| 
 | |
|   CREATE TABLE t1(a BLOB, b BLOB, UNIQUE(a, b));
 | |
|   INSERT INTO t1 VALUES(randomblob(10), randomblob(1000));
 | |
| } {wal 128 16384}
 | |
| 
 | |
| proc tvfs_callback {method file arglist} {
 | |
|   if {$::state==1} {
 | |
|     foreach f [glob -nocomplain xx_test.*] { forcedelete $f }
 | |
|     foreach f [glob -nocomplain test.*]    { forcecopy $f "xx_$f" }
 | |
|     set ::state 2
 | |
|   }
 | |
|   if {$::state==0 && $method=="xTruncate" && [file tail $file]=="test.db-wal"} {
 | |
|     set ::state 1
 | |
|   }
 | |
| }
 | |
| 
 | |
| for {set i 2} {$i<1000} {incr i} {
 | |
| 
 | |
|   # If the WAL file is truncated within the following, within the following
 | |
|   # xWrite call the [tvfs_callback] makes a copy of the database and WAL 
 | |
|   # files set sets $::state to 2. So that the copied files are in the same
 | |
|   # state as the real database and WAL files would be if an application crash 
 | |
|   # occurred immediately following the xTruncate().
 | |
|   # 
 | |
|   set ::state 0
 | |
|   do_execsql_test 1.$i.1 {
 | |
|     INSERT INTO t1 VALUES(randomblob(10), randomblob(1000));
 | |
|   }
 | |
| 
 | |
|   # If a copy was made, open it and run the integrity-check.
 | |
|   #
 | |
|   if {$::state==2} {
 | |
|     sqlite3 db2 xx_test.db
 | |
|     do_test 1.$i.2 { execsql { PRAGMA integrity_check  } db2 } "ok"
 | |
|     do_test 1.$i.3 { execsql { SELECT count(*) FROM t1 } db2 } [expr $i-1]
 | |
|     db2 close
 | |
|   }
 | |
| }
 | |
| catch { db close }
 | |
| tvfs delete
 | |
| 
 | |
| #--------------------------------------------------------------------------
 | |
| #
 | |
| catch { db close }
 | |
| forcedelete test.db
 | |
| 
 | |
| do_test 2.1 {
 | |
|   sqlite3 db test.db
 | |
|   execsql {
 | |
|     PRAGMA page_size = 512;
 | |
|     PRAGMA journal_mode = WAL;
 | |
|     PRAGMA wal_autocheckpoint = 128;
 | |
|     CREATE TABLE t1(a PRIMARY KEY, b);
 | |
|     INSERT INTO t1 VALUES(randomblob(25), randomblob(200));
 | |
|   }
 | |
| 
 | |
|   for {set i 0} {$i < 1500} {incr i} {
 | |
|     execsql { INSERT INTO t1 VALUES(randomblob(25), randomblob(200)) }
 | |
|   }
 | |
| 
 | |
|   db_save
 | |
|   db close
 | |
| } {}
 | |
| 
 | |
| set nInitialErr [set_test_counter errors]
 | |
| for {set i 2} {$i<10000 && [set_test_counter errors]==$nInitialErr} {incr i} {
 | |
| 
 | |
|   do_test 2.$i.1 {
 | |
|     catch { db close } 
 | |
|     db_restore
 | |
|     crashsql -delay 2 -file test.db-wal -seed $i {
 | |
|       SELECT * FROM sqlite_master;
 | |
|       PRAGMA synchronous = full;
 | |
|       PRAGMA wal_checkpoint;
 | |
|       BEGIN;
 | |
|         INSERT INTO t1 VALUES(randomblob(26), randomblob(200));
 | |
|         INSERT INTO t1 VALUES(randomblob(26), randomblob(200));
 | |
|         INSERT INTO t1 VALUES(randomblob(26), randomblob(200));
 | |
|         INSERT INTO t1 VALUES(randomblob(26), randomblob(200));
 | |
|         INSERT INTO t1 VALUES(randomblob(26), randomblob(200));
 | |
|         INSERT INTO t1 VALUES(randomblob(26), randomblob(200));
 | |
|         INSERT INTO t1 VALUES(randomblob(26), randomblob(200));
 | |
|         INSERT INTO t1 VALUES(randomblob(26), randomblob(200));
 | |
|       COMMIT;
 | |
|     }
 | |
|   } {1 {child process exited abnormally}}
 | |
| 
 | |
|   do_test 2.$i.2 {
 | |
|     sqlite3 db test.db
 | |
|     execsql { PRAGMA integrity_check } 
 | |
|   } {ok}
 | |
| }
 | |
| 
 | |
| finish_test
 | 
