101 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			101 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
# 2007 December 19
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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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# This file implements regression tests for SQLite library.  The
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# focus of this file is testing for correct handling of I/O errors
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# during incremental vacuum with a shared cache.
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#
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# $Id: ioerr4.test,v 1.2 2008/05/08 01:11:42 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# This test requires both shared cache and incremental vacuum.
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#
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ifcapable {!shared_cache || !autovacuum} {
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  finish_test
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  return
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}
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# Enable shared cache mode and incremental vacuum.
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#
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do_test ioerr4-1.1 {
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  db close
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  set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
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} {0}
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do_test ioerr4-1.2 {
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  forcedelete test.db test.db-journal
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  sqlite3 db test.db
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  sqlite3 db2 test.db
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  db eval {
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    PRAGMA auto_vacuum=INCREMENTAL;
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    CREATE TABLE a(i INTEGER, b BLOB);
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  }
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  db2 eval {
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    SELECT name FROM sqlite_master
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  }
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} {a}
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do_test ioerr4-1.3 {
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  db eval {
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    PRAGMA auto_vacuum;
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  }
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} {2}
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# Insert and delete many records in order to put lots of pages
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# on the freelist.
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#
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do_test ioerr4-1.4 {
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  db eval {
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    INSERT INTO a VALUES(1, zeroblob(2000));
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    INSERT INTO a VALUES(2, zeroblob(2000));
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    INSERT INTO a SELECT i+2, zeroblob(2000) FROM a;
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    INSERT INTO a SELECT i+4, zeroblob(2000) FROM a;
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    INSERT INTO a SELECT i+8, zeroblob(2000) FROM a;
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    INSERT INTO a SELECT i+16, zeroblob(2000) FROM a;
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    SELECT count(*) FROM a;
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  }
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} {32}
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do_test ioerr4-1.5 {
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  db eval {
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    PRAGMA freelist_count
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  }
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} {0}
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do_test ioerr4-1.6 {
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  db eval {
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    DELETE FROM a;
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    PRAGMA freelist_count;
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  }
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} {64}
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# Set up for an I/O error on incremental vacuum
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# with two connections on shared cache.
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#
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db close
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db2 close
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forcecopy test.db test.db-bu
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do_ioerr_test ioerr4-2 -tclprep {
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  catch {db2 close}
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  db close
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  forcedelete test.db test.db-journal
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  forcecopy test.db-bu test.db
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  sqlite3_enable_shared_cache 1
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  set ::DB [sqlite3 db test.db; sqlite3_connection_pointer db]
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  db eval {PRAGMA auto_vacuum=INCREMENTAL}
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  sqlite3 db2 test.db
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} -tclbody {
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  db eval {PRAGMA incremental_vacuum(5)}
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}
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db2 close
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forcedelete test.db-bu
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sqlite3_enable_shared_cache $::enable_shared_cache
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finish_test
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