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|    1 # 2007 April 6 |  | 
|    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 # This file implements tests to verify database file format. |  | 
|   14 # |  | 
|   15 # $Id: filefmt.test,v 1.3 2009/06/18 11:34:43 drh Exp $ |  | 
|   16  |  | 
|   17 set testdir [file dirname $argv0] |  | 
|   18 source $testdir/tester.tcl |  | 
|   19 db close |  | 
|   20 file delete -force test.db test.db-journal |  | 
|   21  |  | 
|   22 # Database begins with valid 16-byte header string. |  | 
|   23 # |  | 
|   24 do_test filefmt-1.1 { |  | 
|   25   sqlite3 db test.db |  | 
|   26   db eval {CREATE TABLE t1(x)} |  | 
|   27   db close |  | 
|   28   hexio_read test.db 0 16 |  | 
|   29 } {53514C69746520666F726D6174203300} |  | 
|   30  |  | 
|   31 # If the 16-byte header is changed, the file will not open |  | 
|   32 # |  | 
|   33 do_test filefmt-1.2 { |  | 
|   34   hexio_write test.db 0 54 |  | 
|   35   set x [catch {sqlite3 db test.db} err] |  | 
|   36   lappend x $err |  | 
|   37 } {0 {}} |  | 
|   38 do_test filefmt-1.3 { |  | 
|   39   catchsql { |  | 
|   40     SELECT count(*) FROM sqlite_master |  | 
|   41   } |  | 
|   42 } {1 {file is encrypted or is not a database}} |  | 
|   43 do_test filefmt-1.4 { |  | 
|   44   db close |  | 
|   45   hexio_write test.db 0 53 |  | 
|   46   sqlite3 db test.db |  | 
|   47   catchsql { |  | 
|   48     SELECT count(*) FROM sqlite_master |  | 
|   49   } |  | 
|   50 } {0 1} |  | 
|   51  |  | 
|   52 # The page-size is stored at offset 16 |  | 
|   53 # |  | 
|   54 ifcapable pager_pragmas { |  | 
|   55   foreach pagesize {512 1024 2048 4096 8192 16384 32768} { |  | 
|   56      if {[info exists SQLITE_MAX_PAGE_SIZE] |  | 
|   57           && $pagesize>$SQLITE_MAX_PAGE_SIZE} continue |  | 
|   58      do_test filefmt-1.5.$pagesize.1 { |  | 
|   59        db close |  | 
|   60        file delete -force test.db |  | 
|   61        sqlite3 db test.db |  | 
|   62        db eval "PRAGMA auto_vacuum=OFF" |  | 
|   63        db eval "PRAGMA page_size=$pagesize" |  | 
|   64        db eval {CREATE TABLE t1(x)} |  | 
|   65        file size test.db |  | 
|   66      } [expr $pagesize*2] |  | 
|   67      do_test filefmt-1.5.$pagesize.2 { |  | 
|   68        hexio_get_int [hexio_read test.db 16 2] |  | 
|   69      } $pagesize |  | 
|   70   } |  | 
|   71 } |  | 
|   72  |  | 
|   73 # The page-size must be a power of 2 |  | 
|   74 # |  | 
|   75 do_test filefmt-1.6 { |  | 
|   76   db close |  | 
|   77   hexio_write test.db 16 [hexio_render_int16 1025] |  | 
|   78   sqlite3 db test.db |  | 
|   79   catchsql { |  | 
|   80      SELECT count(*) FROM sqlite_master |  | 
|   81   } |  | 
|   82 } {1 {file is encrypted or is not a database}} |  | 
|   83  |  | 
|   84  |  | 
|   85 # The page-size must be at least 512 bytes |  | 
|   86 # |  | 
|   87 do_test filefmt-1.7 { |  | 
|   88   db close |  | 
|   89   hexio_write test.db 16 [hexio_render_int16 256] |  | 
|   90   sqlite3 db test.db |  | 
|   91   catchsql { |  | 
|   92      SELECT count(*) FROM sqlite_master |  | 
|   93   } |  | 
|   94 } {1 {file is encrypted or is not a database}} |  | 
|   95  |  | 
|   96 # Usable space per page (page-size minus unused space per page) |  | 
|   97 # must be at least 480 bytes |  | 
|   98 # |  | 
|   99 ifcapable pager_pragmas { |  | 
|  100   do_test filefmt-1.8 { |  | 
|  101     db close |  | 
|  102     file delete -force test.db |  | 
|  103     sqlite3 db test.db |  | 
|  104     db eval {PRAGMA page_size=512; CREATE TABLE t1(x)} |  | 
|  105     db close |  | 
|  106     hexio_write test.db 20 21 |  | 
|  107     sqlite3 db test.db |  | 
|  108     catchsql { |  | 
|  109        SELECT count(*) FROM sqlite_master |  | 
|  110     } |  | 
|  111   } {1 {file is encrypted or is not a database}} |  | 
|  112 } |  | 
|  113  |  | 
|  114  |  | 
|  115 finish_test |  | 
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