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      1 # 2008 October 29
      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.
     12 #
     13 # $Id: tkt3457.test,v 1.3 2009/06/26 07:12:07 danielk1977 Exp $
     14 
     15 set testdir [file dirname $argv0]
     16 source $testdir/tester.tcl
     17 
     18 if {$tcl_platform(platform) != "unix"} {
     19   finish_test
     20   return
     21 }
     22 
     23 #-----------------------------------------------------------------------
     24 # To roll back a hot-journal file, the application needs read and write 
     25 # permission on the journal file in question. The following tests test
     26 # the outcome of trying to rollback a hot-journal file when this is not
     27 # the case.
     28 # 
     29 #   tkt3457-1.2: Application has neither read, nor write permission on
     30 #                the hot-journal file. Result: SQLITE_CANTOPEN.
     31 #                
     32 #   tkt3457-1.3: Application has write but not read permission on
     33 #                the hot-journal file. Result: SQLITE_CANTOPEN.
     34 #
     35 #   tkt3457-1.4: Application has read but not write permission on
     36 #                the hot-journal file. Result: SQLITE_CANTOPEN.
     37 #
     38 #   tkt3457-1.5: Application has read/write permission on the hot-journal 
     39 #                file. Result: SQLITE_OK.
     40 # 
     41 do_test tkt3457-1.1 {
     42   execsql {
     43     CREATE TABLE t1(a, b, c);
     44     INSERT INTO t1 VALUES(1, 2, 3);
     45     BEGIN;
     46     INSERT INTO t1 VALUES(4, 5, 6);
     47   }
     48 
     49   file copy -force test.db bak.db
     50   file copy -force test.db-journal bak.db-journal
     51 
     52   # Fix the first journal-header in the journal-file. Because the
     53   # journal file has not yet been synced, the 8-byte magic string at the
     54   # start of the first journal-header has not been written by SQLite.
     55   # So write it now.
     56   set fd [open bak.db-journal a+]
     57   fconfigure $fd -encoding binary -translation binary
     58   seek $fd 0
     59   puts -nonewline $fd "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"
     60   close $fd
     61 
     62   execsql COMMIT
     63 } {}
     64 
     65 do_test tkt3457-1.2 {
     66   file copy -force bak.db-journal test.db-journal
     67   file attributes test.db-journal -permissions ---------
     68   catchsql { SELECT * FROM t1 }
     69 } {1 {unable to open database file}}
     70 do_test tkt3457-1.3 {
     71   file copy -force bak.db-journal test.db-journal
     72   file attributes test.db-journal -permissions -w--w--w-
     73   catchsql { SELECT * FROM t1 }
     74 } {1 {unable to open database file}}
     75 do_test tkt3457-1.4 {
     76   file copy -force bak.db-journal test.db-journal
     77   file attributes test.db-journal -permissions r--r--r--
     78   catchsql { SELECT * FROM t1 }
     79 } {1 {unable to open database file}}
     80 
     81 do_test tkt3457-1.5 {
     82   file copy -force bak.db-journal test.db-journal
     83   file attributes test.db-journal -permissions rw-rw-rw-
     84   catchsql { SELECT * FROM t1 }
     85 } {0 {1 2 3 4 5 6}}
     86 
     87 finish_test
     88