142 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			142 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2005 January 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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| #
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| # $Id: shared3.test,v 1.4 2008/08/20 14:49:25 danielk1977 Exp $
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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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| set testprefix shared3
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| db close
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| 
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| ifcapable !shared_cache {
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|   finish_test
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|   return
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| }
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| set ::enable_shared_cache [sqlite3_enable_shared_cache 1]
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| 
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| # Ticket #1824
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| #
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| do_test shared3-1.1 {
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|   forcedelete test.db test.db-journal
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|   sqlite3 db1 test.db
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|   db1 eval {
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|     PRAGMA encoding=UTF16;
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|     CREATE TABLE t1(x,y);
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|     INSERT INTO t1 VALUES('abc','This is a test string');
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|   }
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|   db1 close
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|   sqlite3 db1 test.db
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|   db1 eval {SELECT * FROM t1}
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| } {abc {This is a test string}}
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| do_test shared3-1.2 {
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|   sqlite3 db2 test.db
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|   db2 eval {SELECT y FROM t1 WHERE x='abc'}
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| } {{This is a test string}}
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| 
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| db1 close
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| db2 close
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| 
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| do_test shared3-2.1 {
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|   sqlite3 db1 test.db
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|   execsql {
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|     PRAGMA main.cache_size = 10;
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|   } db1
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| } {}
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| do_test shared3-2.2 {
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|   execsql { PRAGMA main.cache_size } db1
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| } {10}
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| do_test shared3-2.3 {
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|   sqlite3 db2 test.db
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|   execsql { PRAGMA main.cache_size } db1
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| } {10}
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| do_test shared3-2.4 {
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|   execsql { PRAGMA main.cache_size } db2
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| } {10}
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| do_test shared3-2.5 {
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|   execsql { PRAGMA main.cache_size } db1
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| } {10}
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| 
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| # The cache-size should now be 10 pages. However at one point there was
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| # a bug that caused the cache size to return to the default value when
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| # a second connection was opened on the shared-cache (as happened in
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| # test case shared3-2.3 above). The goal of the following tests is to
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| # ensure that the cache-size really is 10 pages.
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| #
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| if {$::tcl_platform(platform)=="unix"} {
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|   set alternative_name ./test.db
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| } else {
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|   set alternative_name TEST.DB
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| }
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| do_test shared3-2.6 {
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|   sqlite3 db3 $alternative_name
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|   catchsql {select count(*) from sqlite_master} db3
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| } {0 1}
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| do_test shared3-2.7 {
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|   execsql {
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|     BEGIN;
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|     INSERT INTO t1 VALUES(10, randomblob(5000))
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|   } db1
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|   catchsql {select count(*) from sqlite_master} db3
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| } {0 1}
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| do_test shared3-2.8 {
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|   db3 close
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|   execsql {
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|     INSERT INTO t1 VALUES(10, randomblob(10000))
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|   } db1
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| 
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|   # If the pager-cache is really still limited to 10 pages, then the INSERT
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|   # statement above should have caused the pager to grab an exclusive lock
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|   # on the database file so that the cache could be spilled.
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|   #
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|   catch { sqlite3 db3 $alternative_name }
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|   catchsql {select count(*) from sqlite_master} db3
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| } {1 {database is locked}}
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| 
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| db1 close
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| db2 close
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| db3 close
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| 
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| #-------------------------------------------------------------------------
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| # At one point this was causing a faulty assert to fail.
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| #
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| forcedelete test.db
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| sqlite3 db test.db
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| sqlite3 db2 test.db
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| do_execsql_test 3.1 {
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|   PRAGMA auto_vacuum = 2;
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|   CREATE TABLE t1(x, y);
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|   INSERT INTO t1 VALUES(randomblob(500), randomblob(500));
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|   INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1;
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|   INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1;
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|   INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1;
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|   INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1;
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|   INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1;
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|   INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1;
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|   INSERT INTO t1 SELECT randomblob(500), randomblob(500) FROM t1;
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| }
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| do_test 3.2 {
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|   execsql { SELECT count(*) FROM sqlite_master } db2
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| } {1}
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| do_execsql_test 3.3 {
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|   BEGIN;
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|     DELETE FROM t1 WHERE 1;
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|     PRAGMA incremental_vacuum;
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| } {}
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| do_test 3.4 {
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|   execsql { SELECT count(*) FROM sqlite_master } db2
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| } {1}
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| do_test 3.5 {
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|   execsql { COMMIT }
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| } {}
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| 
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| sqlite3_enable_shared_cache $::enable_shared_cache
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| finish_test
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