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Overview
Comment:Minor changes to checksum related test cases.
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SHA1: 60c22bde52121993d4bea11eef38ab285c737e2c
User & Date: dan 2010-05-29 06:18:55
Original Comment: i i Minor changes to checksum related test cases.
Context
2010-05-29
08:40
Add tests to fkey2.test to check that ON CONFLICT clauses do not affect SQLite's behaviour when an FK constraint is violated. check-in: e9e5b100 user: dan tags: trunk
06:18
Minor changes to checksum related test cases. check-in: 60c22bde user: dan tags: trunk
2010-05-28
11:16
Add a test to walcksum.test to stress the checksum calculation. check-in: 778d0c17 user: dan tags: trunk
Changes
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Changes to test/wal2.test.

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  if {[llength $args]>1} {
    return -code error {wrong # args: should be "set_tvfs_hdr fileName ?val?"}
  }

  set blob [tvfs shm $file]
  if {[llength $args]} {
    set blob [
      binary format i${nInt}a* [lindex $args 0] [string range $blob $nHdr end]
    ]

    tvfs shm $file $blob
  }

  binary scan $blob i${nInt} ints
  return $ints
}

................................................................................
         3    6   {6 21}    1             {READ RECOVER READ UNLOCK}
         4    7   {7 28}    2             {READ RECOVER READ UNLOCK}
         5    8   {8 36}    3             {READ RECOVER READ UNLOCK}
         6    9   {9 45}    4             {READ RECOVER READ UNLOCK}
         7   10   {10 55}   5             {READ RECOVER READ UNLOCK}
         8   11   {11 66}   6             {READ RECOVER READ UNLOCK}
         9   12   {12 78}   7             {READ RECOVER READ UNLOCK}


        10   13   {13 91}   -1            {READ UNLOCK}
} {

  do_test wal2-1.$tn.1 {
    execsql { INSERT INTO t1 VALUES($iInsert) }

    set ::locks [list]
    set ::cb_done 0







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  if {[llength $args]>1} {
    return -code error {wrong # args: should be "set_tvfs_hdr fileName ?val?"}
  }

  set blob [tvfs shm $file]
  if {[llength $args]} {
    set ia [lindex $args 0]
    set tail [string range $blob [expr $nHdr*2] end]

    set blob [binary format i${nInt}i${nInt}a* $ia $ia $tail]
    tvfs shm $file $blob
  }

  binary scan $blob i${nInt} ints
  return $ints
}

................................................................................
         3    6   {6 21}    1             {READ RECOVER READ UNLOCK}
         4    7   {7 28}    2             {READ RECOVER READ UNLOCK}
         5    8   {8 36}    3             {READ RECOVER READ UNLOCK}
         6    9   {9 45}    4             {READ RECOVER READ UNLOCK}
         7   10   {10 55}   5             {READ RECOVER READ UNLOCK}
         8   11   {11 66}   6             {READ RECOVER READ UNLOCK}
         9   12   {12 78}   7             {READ RECOVER READ UNLOCK}
        10   13   {13 91}   8             {READ RECOVER READ UNLOCK}
        11   14   {14 105}  9             {READ RECOVER READ UNLOCK}
        12   15   {15 120}  -1            {READ UNLOCK}
} {

  do_test wal2-1.$tn.1 {
    execsql { INSERT INTO t1 VALUES($iInsert) }

    set ::locks [list]
    set ::cb_done 0

Changes to test/walcksum.test.

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  file copy -force test.db-wal test2.db-wal
  file copy -force test.db test2.db
  sqlite3 db2 test2.db
  execsql { SELECT a FROM t1 } db2
} {1 2 3}
db2 close
file copy -force test.db test2.db
for {set incr 1} {$incr <= 255} {incr incr 21} {


  do_test walcksum-3.3.$incr {
    set FAIL 0
    for {set iOff 0} {$iOff < [log_file_size 1 1024]} {incr iOff} {

      file copy -force test.db-wal test2.db-wal
      set fd [open test2.db-wal r+]
      fconfigure $fd -encoding binary
      fconfigure $fd -translation binary
  
      seek $fd $iOff
      binary scan [read $fd 1] c x
      seek $fd $iOff
      puts -nonewline $fd [binary format c [expr {$x+$incr}]]
      close $fd
    
      sqlite3 db2 test2.db
      if { [execsql { SELECT a FROM t1 } db2] != "1 2" } {set FAIL 1}
      db2 close
    }
    set FAIL
  } {0}
}
  
finish_test








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  file copy -force test.db-wal test2.db-wal
  file copy -force test.db test2.db
  sqlite3 db2 test2.db
  execsql { SELECT a FROM t1 } db2
} {1 2 3}
db2 close
file copy -force test.db test2.db


foreach incr {1 2 3 20 40 60 80 100 120 140 160 180 200 220 240 253 254 255} {
  do_test walcksum-3.3.$incr {
    set FAIL 0
    for {set iOff 0} {$iOff < [log_file_size 1 1024]} {incr iOff} {

      file copy -force test.db-wal test2.db-wal
      set fd [open test2.db-wal r+]
      fconfigure $fd -encoding binary
      fconfigure $fd -translation binary
  
      seek $fd $iOff
      binary scan [read $fd 1] c x
      seek $fd $iOff
      puts -nonewline $fd [binary format c [expr {($x+$incr)&0xFF}]]
      close $fd
    
      sqlite3 db2 test2.db
      if { [execsql { SELECT a FROM t1 } db2] != "1 2" } {set FAIL 1}
      db2 close
    }
    set FAIL
  } {0}
}
  
finish_test