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Annotation of embedaddon/sqlite3/test/lock2.test, revision 1.1.1.1

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