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

1.1     ! misho       1: # 2011 March 30
        !             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: #
        !            12: # This file contains tests for the "unix-excl" VFS module (part of 
        !            13: # os_unix.c).
        !            14: #
        !            15: 
        !            16: set testdir [file dirname $argv0]
        !            17: source $testdir/tester.tcl
        !            18: source $testdir/lock_common.tcl
        !            19: source $testdir/malloc_common.tcl
        !            20: 
        !            21: if {$::tcl_platform(platform)!="unix" || [info commands test_syscall]==""} {
        !            22:   finish_test
        !            23:   return
        !            24: } 
        !            25: set testprefix unixexcl
        !            26: 
        !            27: 
        !            28: 
        !            29: # Test that when using VFS "unix-excl", the first time the database is read
        !            30: # a process-wide exclusive lock is taken on it. This means other connections
        !            31: # within the process may still access the db normally, but connections from
        !            32: # outside the process cannot.
        !            33: #
        !            34: do_multiclient_test tn {
        !            35:   do_test unixexcl-1.$tn.1 {
        !            36:     sql1 {
        !            37:       CREATE TABLE t1(a, b);
        !            38:       INSERT INTO t1 VALUES('hello', 'world');
        !            39:     }
        !            40:   } {}
        !            41:   do_test unixexcl-1.$tn.2 { sql2 { SELECT * FROM t1 } } {hello world}
        !            42:   do_test unixexcl-1.$tn.3 {
        !            43:     code1 {
        !            44:       db close
        !            45:       sqlite3 db test.db -vfs unix-excl
        !            46:       db eval { SELECT * FROM t1 }
        !            47:     }
        !            48:   } {hello world}
        !            49:   if {$tn==1} {
        !            50:     do_test unixexcl-1.$tn.4.multiproc { 
        !            51:       csql2 { SELECT * FROM t1 } 
        !            52:     } {1 {database is locked}}
        !            53:   } else {
        !            54:     do_test unixexcl-1.$tn.4.singleproc { 
        !            55:       csql2 { SELECT * FROM t1 } 
        !            56:     } {0 {hello world}}
        !            57:   }
        !            58: }
        !            59: 
        !            60: # Test that when using VFS "unix-excl", if a file is opened in read-only mode
        !            61: # the behaviour is the same as if VFS "unix" were used.
        !            62: #
        !            63: do_multiclient_test tn {
        !            64:   do_test unixexcl-2.$tn.1 {
        !            65:     sql1 {
        !            66:       CREATE TABLE t1(a, b);
        !            67:       INSERT INTO t1 VALUES('hello', 'world');
        !            68:     }
        !            69:   } {}
        !            70:   do_test unixexcl-2.$tn.2 { sql2 { SELECT * FROM t1 } } {hello world}
        !            71:   do_test unixexcl-2.$tn.3 {
        !            72:     code1 {
        !            73:       db close
        !            74:       sqlite3 db test.db -readonly yes -vfs unix-excl
        !            75:       db eval { SELECT * FROM t1 }
        !            76:     }
        !            77:   } {hello world}
        !            78:   do_test unixexcl-2.$tn.4 { 
        !            79:     csql2 { SELECT * FROM t1 } 
        !            80:   } {0 {hello world}}
        !            81: }
        !            82: 
        !            83: do_multiclient_test tn {
        !            84:   do_test unixexcl-3.$tn.1 {
        !            85:     code1 { db close; sqlite3 db file:test.db?psow=0 -vfs unix-excl -uri 1 }
        !            86:     code2 { db2 close; sqlite3 db2 file:test.db?psow=0 -vfs unix-excl -uri 1 }
        !            87:     sql1 {
        !            88:       PRAGMA auto_vacuum = 0;
        !            89:       PRAGMA journal_mode = WAL;
        !            90:       CREATE TABLE t1(a, b);
        !            91:       INSERT INTO t1 VALUES(1, 2);
        !            92:     }
        !            93:   } {wal}
        !            94: 
        !            95:   if {$tn==1} {
        !            96:     do_test unixexcl-3.$tn.1.multiproc {
        !            97:       csql2 { SELECT * FROM t1; }
        !            98:     } {1 {database is locked}}
        !            99:   } else {
        !           100:     do_test unixexcl-3.$tn.1.singleproc {
        !           101:       sql2 { SELECT * FROM t1; }
        !           102:     } {1 2}
        !           103: 
        !           104:     do_test unixexcl-3.$tn.2 {
        !           105:       sql2 { 
        !           106:         BEGIN;
        !           107:           SELECT * FROM t1;
        !           108:       }
        !           109:     } {1 2}
        !           110:     do_test unixexcl-3.$tn.3 {
        !           111:       sql1 { PRAGMA wal_checkpoint; INSERT INTO t1 VALUES(3, 4); }
        !           112:     } {0 3 3}
        !           113:     do_test unixexcl-3.$tn.4 {
        !           114:       sql2 { SELECT * FROM t1; }
        !           115:     } {1 2}
        !           116:     do_test unixexcl-3.$tn.5 {
        !           117:       sql1 { SELECT * FROM t1; }
        !           118:     } {1 2 3 4}
        !           119:     do_test unixexcl-3.$tn.6 {
        !           120:       sql2 { COMMIT; SELECT * FROM t1; }
        !           121:     } {1 2 3 4}
        !           122:     do_test unixexcl-3.$tn.7 {
        !           123:       sql1 { PRAGMA wal_checkpoint; }
        !           124:     } {0 4 4}
        !           125:   }
        !           126: }
        !           127: 
        !           128: finish_test