persistentstorage/sqlite3api/TEST/TclScript/tkt2920.test
changeset 0 08ec8eefde2f
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     1 # 2008 Feb 1
       
     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 is to test that ticket #2920 is fixed.
       
    13 #
       
    14 # $Id: tkt2920.test,v 1.1 2008/02/02 02:48:52 drh Exp $
       
    15 #
       
    16 
       
    17 set testdir [file dirname $argv0]
       
    18 source $testdir/tester.tcl
       
    19 
       
    20 # Create a database file that is full.
       
    21 #
       
    22 do_test tkt2920-1.1 {
       
    23   db eval {
       
    24     PRAGMA page_size=1024;
       
    25     PRAGMA max_page_count=40;
       
    26     PRAGMA auto_vacuum=0;
       
    27     CREATE TABLE filler (fill);
       
    28   }
       
    29   file size test.db
       
    30 } {2048}
       
    31 do_test tkt2920-1.2 {
       
    32   db eval BEGIN
       
    33   for {set i 0} {$i<34} {incr i} {
       
    34     db eval {INSERT INTO filler VALUES(randomblob(1024))}
       
    35   }
       
    36   db eval COMMIT
       
    37 }  {}
       
    38 
       
    39 # Try to add a single new page to the full database.  We get
       
    40 # a disk full error.  But this does not corrupt the database.
       
    41 #
       
    42 do_test tkt2920-1.3 {
       
    43   db eval BEGIN
       
    44   catchsql {
       
    45      INSERT INTO filler VALUES(randomblob(1024))
       
    46   }
       
    47 } {1 {database or disk is full}}
       
    48 integrity_check tkt2920-1.4
       
    49 
       
    50 # Increase the maximum size of the database file by 1 page,
       
    51 # but then try to add a two-page record.  This also fails.
       
    52 #
       
    53 do_test tkt2920-1.5 {
       
    54   db eval {PRAGMA max_page_count=41}
       
    55   catchsql {
       
    56      INSERT INTO filler VALUES(randomblob(2048))
       
    57   }
       
    58 } {1 {database or disk is full}}
       
    59 integrity_check tkt2920-1.6
       
    60 
       
    61 # Increase the maximum size of the database by one more page.
       
    62 # This time the insert works.
       
    63 #
       
    64 do_test tkt2920-1.7 {
       
    65   db eval {PRAGMA max_page_count=42}
       
    66   catchsql {
       
    67      INSERT INTO filler VALUES(randomblob(2048))
       
    68   }
       
    69 } {0 {}}
       
    70 integrity_check tkt2920-1.8
       
    71 
       
    72 # The previous errors cancelled the transaction.
       
    73 #
       
    74 do_test tkt2920-1.9 {
       
    75   catchsql {COMMIT}
       
    76 } {1 {cannot commit - no transaction is active}}
       
    77 
       
    78 finish_test