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Annotation of embedaddon/sqlite3/test/thread2.test, revision 1.1

1.1     ! misho       1: # 2006 January 14
        !             2: #
        !             3: # The author disclaims copyright to this source code.  In place of
        !             4: # a legal notice, here is a blessing:
        !             5: #
        !             6: #    May you do good and not evil.
        !             7: #    May you find forgiveness for yourself and forgive others.
        !             8: #    May you share freely, never taking more than you give.
        !             9: #
        !            10: #***********************************************************************
        !            11: # This file implements regression tests for SQLite library.  The
        !            12: # focus of this script is multithreading behavior
        !            13: #
        !            14: # $Id: thread2.test,v 1.3 2008/10/07 15:25:49 drh Exp $
        !            15: 
        !            16: 
        !            17: set testdir [file dirname $argv0]
        !            18: source $testdir/tester.tcl
        !            19: 
        !            20: if {[run_thread_tests]==0} { finish_test ; return }
        !            21: 
        !            22: # Skip this whole file if the thread testing code is not enabled
        !            23: #
        !            24: if {[llength [info command thread_step]]==0 || [sqlite3 -has-codec]} {
        !            25:   finish_test
        !            26:   return
        !            27: }
        !            28: 
        !            29: # Create some data to work with
        !            30: #
        !            31: do_test thread1-1.1 {
        !            32:   execsql {
        !            33:     CREATE TABLE t1(a,b);
        !            34:     INSERT INTO t1 VALUES(1,'abcdefgh');
        !            35:     INSERT INTO t1 SELECT a+1, b||b FROM t1;
        !            36:     INSERT INTO t1 SELECT a+2, b||b FROM t1;
        !            37:     INSERT INTO t1 SELECT a+4, b||b FROM t1;
        !            38:     SELECT count(*), max(length(b)) FROM t1;
        !            39:   }
        !            40: } {8 64}
        !            41: 
        !            42: # Use the thread_swap command to move the database connections between
        !            43: # threads, then verify that they still work.
        !            44: #
        !            45: do_test thread2-1.2 {
        !            46:   db close
        !            47:   thread_create A test.db
        !            48:   thread_create B test.db
        !            49:   thread_swap A B
        !            50:   thread_compile A {SELECT a FROM t1 LIMIT 1}
        !            51:   thread_result A
        !            52: } {SQLITE_OK}
        !            53: do_test thread2-1.3 {
        !            54:   thread_step A
        !            55:   thread_result A
        !            56: } {SQLITE_ROW}
        !            57: do_test thread2-1.4 {
        !            58:   thread_argv A 0
        !            59: } {1}
        !            60: do_test thread2-1.5 {
        !            61:   thread_finalize A
        !            62:   thread_result A
        !            63: } {SQLITE_OK}
        !            64: do_test thread2-1.6 {
        !            65:   thread_compile B {SELECT a FROM t1 LIMIT 1}
        !            66:   thread_result B
        !            67: } {SQLITE_OK}
        !            68: do_test thread2-1.7 {
        !            69:   thread_step B
        !            70:   thread_result B
        !            71: } {SQLITE_ROW}
        !            72: do_test thread2-1.8 {
        !            73:   thread_argv B 0
        !            74: } {1}
        !            75: do_test thread2-1.9 {
        !            76:   thread_finalize B
        !            77:   thread_result B
        !            78: } {SQLITE_OK}
        !            79: 
        !            80: # Swap them again.
        !            81: #
        !            82: do_test thread2-2.2 {
        !            83:   thread_swap A B
        !            84:   thread_compile A {SELECT a FROM t1 LIMIT 1}
        !            85:   thread_result A
        !            86: } {SQLITE_OK}
        !            87: do_test thread2-2.3 {
        !            88:   thread_step A
        !            89:   thread_result A
        !            90: } {SQLITE_ROW}
        !            91: do_test thread2-2.4 {
        !            92:   thread_argv A 0
        !            93: } {1}
        !            94: do_test thread2-2.5 {
        !            95:   thread_finalize A
        !            96:   thread_result A
        !            97: } {SQLITE_OK}
        !            98: do_test thread2-2.6 {
        !            99:   thread_compile B {SELECT a FROM t1 LIMIT 1}
        !           100:   thread_result B
        !           101: } {SQLITE_OK}
        !           102: do_test thread2-2.7 {
        !           103:   thread_step B
        !           104:   thread_result B
        !           105: } {SQLITE_ROW}
        !           106: do_test thread2-2.8 {
        !           107:   thread_argv B 0
        !           108: } {1}
        !           109: do_test thread2-2.9 {
        !           110:   thread_finalize B
        !           111:   thread_result B
        !           112: } {SQLITE_OK}
        !           113: thread_halt A
        !           114: thread_halt B
        !           115: 
        !           116: # Also important to halt the worker threads, which are using spin
        !           117: # locks and eating away CPU cycles.
        !           118: #
        !           119: thread_halt *   
        !           120: finish_test