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Annotation of embedaddon/sqlite3/test/lock2.test, revision 1.1

1.1     ! misho       1: # 2001 September 15
        !             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 database locks between competing processes.
        !            13: #
        !            14: # $Id: lock2.test,v 1.11 2009/05/01 10:55:34 danielk1977 Exp $
        !            15: 
        !            16: 
        !            17: set testdir [file dirname $argv0]
        !            18: source $testdir/tester.tcl
        !            19: source $testdir/lock_common.tcl
        !            20: 
        !            21: 
        !            22: # Simple locking test case:
        !            23: #
        !            24: # lock2-1.1: Connect a second process to the database.
        !            25: # lock2-1.2: Establish a RESERVED lock with this process.
        !            26: # lock2-1.3: Get a SHARED lock with the second process.
        !            27: # lock2-1.4: Try for a RESERVED lock with process 2. This fails.
        !            28: # lock2-1.5: Try to upgrade the first process to EXCLUSIVE, this fails so
        !            29: #            it gets PENDING.
        !            30: # lock2-1.6: Release the SHARED lock held by the second process. 
        !            31: # lock2-1.7: Attempt to reaquire a SHARED lock with the second process.
        !            32: #            this fails due to the PENDING lock.
        !            33: # lock2-1.8: Ensure the first process can now upgrade to EXCLUSIVE.
        !            34: #
        !            35: do_test lock2-1.1 {
        !            36:   set ::tf1 [launch_testfixture]
        !            37:   testfixture $::tf1 {
        !            38:     sqlite3 db test.db -key xyzzy
        !            39:     db eval {select * from sqlite_master}
        !            40:   }
        !            41: } {}
        !            42: do_test lock2-1.1.1 {
        !            43:   execsql {pragma lock_status}
        !            44: } {main unlocked temp closed}
        !            45: sqlite3_soft_heap_limit 0
        !            46: do_test lock2-1.2 {
        !            47:   execsql {
        !            48:     BEGIN;
        !            49:     CREATE TABLE abc(a, b, c);
        !            50:   }
        !            51: } {}
        !            52: do_test lock2-1.3 {
        !            53:   testfixture $::tf1 {
        !            54:     db eval {
        !            55:       BEGIN;
        !            56:       SELECT * FROM sqlite_master;
        !            57:     }
        !            58:   }
        !            59: } {}
        !            60: do_test lock2-1.4 {
        !            61:   testfixture $::tf1 {
        !            62:     catch { db eval { CREATE TABLE def(d, e, f) } } msg
        !            63:     set msg
        !            64:   }
        !            65: } {database is locked}
        !            66: do_test lock2-1.5 {
        !            67:   catchsql {
        !            68:     COMMIT;
        !            69:   }
        !            70: } {1 {database is locked}}
        !            71: do_test lock2-1.6 {
        !            72:   testfixture $::tf1 {
        !            73:     db eval {
        !            74:       SELECT * FROM sqlite_master;
        !            75:       COMMIT;
        !            76:     }
        !            77:   }
        !            78: } {}
        !            79: do_test lock2-1.7 {
        !            80:   testfixture $::tf1 {
        !            81:     catch { db eval {
        !            82:       BEGIN;
        !            83:       SELECT * FROM sqlite_master;
        !            84:     } } msg 
        !            85:     set msg
        !            86:   }
        !            87: } {database is locked}
        !            88: do_test lock2-1.8 {
        !            89:   catchsql {
        !            90:     COMMIT;
        !            91:   }
        !            92: } {0 {}}
        !            93: do_test lock2-1.9 {
        !            94:   execsql {
        !            95:     SELECT * FROM sqlite_master;
        !            96:   }
        !            97: } "table abc abc [expr $AUTOVACUUM?3:2] {CREATE TABLE abc(a, b, c)}"
        !            98: catch flush_async_queue
        !            99: do_test lock2-1.10 {
        !           100:   testfixture $::tf1 {
        !           101:     db eval {
        !           102:       SELECT * FROM sqlite_master;
        !           103:     }
        !           104:   }
        !           105: } "table abc abc [expr $AUTOVACUUM?3:2] {CREATE TABLE abc(a, b, c)}"
        !           106: 
        !           107: catch {testfixture $::tf1 {db close}}
        !           108: catch {close $::tf1}
        !           109: sqlite3_soft_heap_limit $cmdlinearg(soft-heap-limit)
        !           110: 
        !           111: finish_test