121 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			121 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2006 January 14
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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 script is multithreading behavior
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| #
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| # $Id: thread2.test,v 1.3 2008/10/07 15:25:49 drh Exp $
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| 
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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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| 
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| if {[run_thread_tests]==0} { finish_test ; return }
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| 
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| # Skip this whole file if the thread testing code is not enabled
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| #
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| if {[llength [info command thread_step]]==0 || [sqlite3 -has-codec]} {
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|   finish_test
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|   return
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| }
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| 
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| # Create some data to work with
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| #
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| do_test thread1-1.1 {
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|   execsql {
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|     CREATE TABLE t1(a,b);
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|     INSERT INTO t1 VALUES(1,'abcdefgh');
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|     INSERT INTO t1 SELECT a+1, b||b FROM t1;
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|     INSERT INTO t1 SELECT a+2, b||b FROM t1;
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|     INSERT INTO t1 SELECT a+4, b||b FROM t1;
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|     SELECT count(*), max(length(b)) FROM t1;
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|   }
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| } {8 64}
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| 
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| # Use the thread_swap command to move the database connections between
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| # threads, then verify that they still work.
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| #
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| do_test thread2-1.2 {
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|   db close
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|   thread_create A test.db
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|   thread_create B test.db
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|   thread_swap A B
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|   thread_compile A {SELECT a FROM t1 LIMIT 1}
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|   thread_result A
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| } {SQLITE_OK}
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| do_test thread2-1.3 {
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|   thread_step A
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|   thread_result A
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| } {SQLITE_ROW}
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| do_test thread2-1.4 {
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|   thread_argv A 0
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| } {1}
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| do_test thread2-1.5 {
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|   thread_finalize A
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|   thread_result A
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| } {SQLITE_OK}
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| do_test thread2-1.6 {
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|   thread_compile B {SELECT a FROM t1 LIMIT 1}
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|   thread_result B
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| } {SQLITE_OK}
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| do_test thread2-1.7 {
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|   thread_step B
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|   thread_result B
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| } {SQLITE_ROW}
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| do_test thread2-1.8 {
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|   thread_argv B 0
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| } {1}
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| do_test thread2-1.9 {
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|   thread_finalize B
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|   thread_result B
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| } {SQLITE_OK}
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| 
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| # Swap them again.
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| #
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| do_test thread2-2.2 {
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|   thread_swap A B
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|   thread_compile A {SELECT a FROM t1 LIMIT 1}
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|   thread_result A
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| } {SQLITE_OK}
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| do_test thread2-2.3 {
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|   thread_step A
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|   thread_result A
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| } {SQLITE_ROW}
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| do_test thread2-2.4 {
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|   thread_argv A 0
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| } {1}
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| do_test thread2-2.5 {
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|   thread_finalize A
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|   thread_result A
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| } {SQLITE_OK}
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| do_test thread2-2.6 {
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|   thread_compile B {SELECT a FROM t1 LIMIT 1}
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|   thread_result B
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| } {SQLITE_OK}
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| do_test thread2-2.7 {
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|   thread_step B
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|   thread_result B
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| } {SQLITE_ROW}
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| do_test thread2-2.8 {
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|   thread_argv B 0
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| } {1}
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| do_test thread2-2.9 {
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|   thread_finalize B
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|   thread_result B
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| } {SQLITE_OK}
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| thread_halt A
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| thread_halt B
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| 
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| # Also important to halt the worker threads, which are using spin
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| # locks and eating away CPU cycles.
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| #
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| thread_halt *   
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| finish_test
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