os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/pager.test
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/sqlite3api/TEST/TclScript/pager.test	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,576 @@
     1.4 + # 2001 September 15
     1.5 +#
     1.6 +# Portions Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiaries. All rights reserved.
     1.7 +#
     1.8 +# The author disclaims copyright to this source code.  In place of
     1.9 +# a legal notice, here is a blessing:
    1.10 +#
    1.11 +#    May you do good and not evil.
    1.12 +#    May you find forgiveness for yourself and forgive others.
    1.13 +#    May you share freely, never taking more than you give.
    1.14 +#
    1.15 +#***********************************************************************
    1.16 +# This file implements regression tests for SQLite library.  The
    1.17 +# focus of this script is page cache subsystem.
    1.18 +#
    1.19 +# $Id: pager.test,v 1.31 2008/08/20 14:49:25 danielk1977 Exp $
    1.20 +
    1.21 +
    1.22 +set testdir [file dirname $argv0]
    1.23 +source $testdir/tester.tcl
    1.24 +
    1.25 +if {[info commands pager_open]!=""} {
    1.26 +db close
    1.27 +
    1.28 +# Basic sanity check.  Open and close a pager.
    1.29 +#
    1.30 +do_test pager-1.0 {
    1.31 +  catch {file delete -force ptf1.db}
    1.32 +  catch {file delete -force ptf1.db-journal}
    1.33 +  set v [catch {
    1.34 +    set ::p1 [pager_open ptf1.db 10]
    1.35 +  } msg]
    1.36 +} {0}
    1.37 +do_test pager-1.1 {
    1.38 +  pager_stats $::p1
    1.39 +} {ref 0 page 0 max 10 size -1 state 0 err 0 hit 0 miss 0 ovfl 0}
    1.40 +do_test pager-1.2 {
    1.41 +  pager_pagecount $::p1
    1.42 +} {0}
    1.43 +do_test pager-1.3 {
    1.44 +  pager_stats $::p1
    1.45 +} {ref 0 page 0 max 10 size -1 state 0 err 0 hit 0 miss 0 ovfl 0}
    1.46 +do_test pager-1.4 {
    1.47 +  pager_close $::p1
    1.48 +} {}
    1.49 +
    1.50 +# Try to write a few pages.
    1.51 +#
    1.52 +do_test pager-2.1 {
    1.53 +  set v [catch {
    1.54 +    set ::p1 [pager_open ptf1.db 10]
    1.55 +  } msg]
    1.56 +} {0}
    1.57 +#do_test pager-2.2 {
    1.58 +#  set v [catch {
    1.59 +#    set ::g1 [page_get $::p1 0]
    1.60 +#  } msg]
    1.61 +#  lappend v $msg
    1.62 +#} {1 SQLITE_ERROR}
    1.63 +do_test pager-2.3.1 {
    1.64 +  set ::gx [page_lookup $::p1 1]
    1.65 +} {}
    1.66 +do_test pager-2.3.2 {
    1.67 +  pager_stats $::p1
    1.68 +} {ref 0 page 0 max 10 size -1 state 0 err 0 hit 0 miss 0 ovfl 0}
    1.69 +do_test pager-2.3.3 {
    1.70 +  set v [catch {
    1.71 +    set ::g1 [page_get $::p1 1]
    1.72 +  } msg]
    1.73 +  if {$v} {lappend v $msg}
    1.74 +  set v
    1.75 +} {0}
    1.76 +do_test pager-2.3.3 {
    1.77 +  pager_stats $::p1
    1.78 +} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
    1.79 +do_test pager-2.3.4 {
    1.80 +  set ::gx [page_lookup $::p1 1]
    1.81 +  expr {$::gx!=""}
    1.82 +} {1}
    1.83 +do_test pager-2.3.5 {
    1.84 +  page_unref $::gx
    1.85 +  pager_stats $::p1
    1.86 +} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
    1.87 +do_test pager-2.3.6 {
    1.88 +  expr {$::g1==$::gx}
    1.89 +} {1}
    1.90 +do_test pager-2.3.7 {
    1.91 +  pager_stats $::p1
    1.92 +} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
    1.93 +do_test pager-2.4 {
    1.94 +  pager_stats $::p1
    1.95 +} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
    1.96 +do_test pager-2.5 {
    1.97 +  pager_pagecount $::p1
    1.98 +} {0}
    1.99 +do_test pager-2.6 {
   1.100 +  pager_stats $::p1
   1.101 +} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 0 miss 1 ovfl 0}
   1.102 +do_test pager-2.7 {
   1.103 +  page_number $::g1
   1.104 +} {1}
   1.105 +do_test pager-2.8 {
   1.106 +  page_read $::g1
   1.107 +} {}
   1.108 +do_test pager-2.9 {
   1.109 +  page_unref $::g1
   1.110 +} {}
   1.111 +
   1.112 +# Update 24/03/2007: Even though the ref-count has dropped to zero, the
   1.113 +# pager-cache still contains some pages. Previously, it was always true
   1.114 +# that if there were no references to a pager it was empty.
   1.115 +do_test pager-2.10 {
   1.116 +  pager_stats $::p1
   1.117 +} {ref 0 page 1 max 10 size -1 state 0 err 0 hit 0 miss 1 ovfl 0}
   1.118 +do_test pager-2.11 {
   1.119 +  set ::g1 [page_get $::p1 1]
   1.120 +  expr {$::g1!=0}
   1.121 +} {1}
   1.122 +do_test pager-2.12 {
   1.123 +  page_number $::g1
   1.124 +} {1}
   1.125 +do_test pager-2.13 {
   1.126 +  pager_stats $::p1
   1.127 +} {ref 1 page 1 max 10 size 0 state 1 err 0 hit 1 miss 1 ovfl 0}
   1.128 +do_test pager-2.14 {
   1.129 +  set v [catch {
   1.130 +    page_write $::g1 "Page-One"
   1.131 +  } msg]
   1.132 +  lappend v $msg
   1.133 +} {0 {}}
   1.134 +do_test pager-2.15 {
   1.135 +  pager_stats $::p1
   1.136 +} {ref 1 page 1 max 10 size 1 state 2 err 0 hit 1 miss 1 ovfl 0}
   1.137 +do_test pager-2.16 {
   1.138 +  page_read $::g1
   1.139 +} {Page-One}
   1.140 +do_test pager-2.17 {
   1.141 +  set v [catch {
   1.142 +    pager_commit $::p1
   1.143 +  } msg]
   1.144 +  lappend v $msg
   1.145 +} {0 {}}
   1.146 +do_test pager-2.20 {
   1.147 +  pager_stats $::p1
   1.148 +} {ref 1 page 1 max 10 size -1 state 1 err 0 hit 2 miss 1 ovfl 0}
   1.149 +do_test pager-2.19 {
   1.150 +  pager_pagecount $::p1
   1.151 +} {1}
   1.152 +do_test pager-2.21 {
   1.153 +  pager_stats $::p1
   1.154 +} {ref 1 page 1 max 10 size 1 state 1 err 0 hit 2 miss 1 ovfl 0}
   1.155 +do_test pager-2.22 {
   1.156 +  page_unref $::g1
   1.157 +} {}
   1.158 +do_test pager-2.23 {
   1.159 +  pager_stats $::p1
   1.160 +} {ref 0 page 1 max 10 size -1 state 0 err 0 hit 2 miss 1 ovfl 0}
   1.161 +do_test pager-2.24 {
   1.162 +  set v [catch {
   1.163 +    page_get $::p1 1
   1.164 +  } ::g1]
   1.165 +  if {$v} {lappend v $::g1}
   1.166 +  set v
   1.167 +} {0}
   1.168 +do_test pager-2.25 {
   1.169 +  page_read $::g1
   1.170 +} {Page-One}
   1.171 +do_test pager-2.26 {
   1.172 +  set v [catch {
   1.173 +    page_write $::g1 {page-one}
   1.174 +  } msg]
   1.175 +  lappend v $msg
   1.176 +} {0 {}}
   1.177 +do_test pager-2.27 {
   1.178 +  page_read $::g1
   1.179 +} {page-one}
   1.180 +do_test pager-2.28 {
   1.181 +  set v [catch {
   1.182 +    pager_rollback $::p1
   1.183 +  } msg]
   1.184 +  lappend v $msg
   1.185 +} {0 {}}
   1.186 +do_test pager-2.29 {
   1.187 +  page_unref $::g1
   1.188 +  set ::g1 [page_get $::p1 1]
   1.189 +  page_read $::g1
   1.190 +} {Page-One}
   1.191 +do_test pager-2.99 {
   1.192 +  page_unref $::g1
   1.193 +  pager_close $::p1
   1.194 +} {}
   1.195 +
   1.196 +do_test pager-3.1 {
   1.197 +  set v [catch {
   1.198 +    set ::p1 [pager_open ptf1.db 15]
   1.199 +  } msg]
   1.200 +  if {$v} {lappend v $msg}
   1.201 +  set v
   1.202 +} {0}
   1.203 +do_test pager-3.2 {
   1.204 +  pager_pagecount $::p1
   1.205 +} {1}
   1.206 +do_test pager-3.3 {
   1.207 +  set v [catch {
   1.208 +    set ::g(1) [page_get $::p1 1]
   1.209 +  } msg]
   1.210 +  if {$v} {lappend v $msg}
   1.211 +  set v
   1.212 +} {0}
   1.213 +do_test pager-3.4 {
   1.214 +  page_read $::g(1)
   1.215 +} {Page-One}
   1.216 +do_test pager-3.5 {
   1.217 +  for {set i 2} {$i<=20} {incr i} {
   1.218 +    set gx [page_get $::p1 $i]
   1.219 +    page_write $gx "Page-$i"
   1.220 +    page_unref $gx
   1.221 +  }
   1.222 +  pager_commit $::p1
   1.223 +  page_unref $::g(1)
   1.224 +} {}
   1.225 +for {set i 2} {$i<=20} {incr i} {
   1.226 +  do_test pager-3.6.[expr {$i-1}] [subst {
   1.227 +    set gx \[page_get $::p1 $i\]
   1.228 +    set v \[page_read \$gx\]
   1.229 +    page_unref \$gx
   1.230 +    set v
   1.231 +  }] "Page-$i"
   1.232 +}
   1.233 +for {set i 1} {$i<=20} {incr i} {
   1.234 +  regsub -all CNT {
   1.235 +    set ::g1 [page_get $::p1 CNT]
   1.236 +    set ::g2 [page_get $::p1 CNT]
   1.237 +    set ::vx [page_read $::g2]
   1.238 +    expr {$::g1==$::g2}
   1.239 +  } $i body;
   1.240 +  do_test pager-3.7.$i.1 $body {1}
   1.241 +  regsub -all CNT {
   1.242 +    page_unref $::g2
   1.243 +    set vy [page_read $::g1]
   1.244 +    expr {$vy==$::vx}
   1.245 +  } $i body;
   1.246 +  do_test pager-3.7.$i.2 $body {1}
   1.247 +  regsub -all CNT {
   1.248 +    page_unref $::g1
   1.249 +    set gx [page_get $::p1 CNT]
   1.250 +    set vy [page_read $gx]
   1.251 +    page_unref $gx
   1.252 +    expr {$vy==$::vx}
   1.253 +  } $i body;
   1.254 +  do_test pager-3.7.$i.3 $body {1}
   1.255 +}
   1.256 +do_test pager-3.99 {
   1.257 +  pager_close $::p1
   1.258 +} {}
   1.259 +
   1.260 +# tests of the checkpoint mechanism and api
   1.261 +#
   1.262 +do_test pager-4.0 {
   1.263 +  set v [catch {
   1.264 +    file delete -force ptf1.db
   1.265 +    set ::p1 [pager_open ptf1.db 15]
   1.266 +  } msg]
   1.267 +  if {$v} {lappend v $msg}
   1.268 +  set v
   1.269 +} {0}
   1.270 +do_test pager-4.1 {
   1.271 +  set g1 [page_get $::p1 1]
   1.272 +  page_write $g1 "Page-1 v0"
   1.273 +  for {set i 2} {$i<=20} {incr i} {
   1.274 +    set gx [page_get $::p1 $i]
   1.275 +    page_write $gx "Page-$i v0"
   1.276 +    page_unref $gx
   1.277 +  }
   1.278 +  pager_commit $::p1
   1.279 +} {}
   1.280 +for {set i 1} {$i<=20} {incr i} {
   1.281 +  do_test pager-4.2.$i {
   1.282 +    set gx [page_get $p1 $i]
   1.283 +    set v [page_read $gx]
   1.284 +    page_unref $gx
   1.285 +    set v
   1.286 +  } "Page-$i v0"
   1.287 +}
   1.288 +do_test pager-4.3 {
   1.289 +  lrange [pager_stats $::p1] 0 1
   1.290 +} {ref 1}
   1.291 +do_test pager-4.4 {
   1.292 +  lrange [pager_stats $::p1] 8 9
   1.293 +} {state 1}
   1.294 +
   1.295 +for {set i 1} {$i<20} {incr i} {
   1.296 +  do_test pager-4.5.$i.0 {
   1.297 +    set res {}
   1.298 +    for {set j 2} {$j<=20} {incr j} {
   1.299 +      set gx [page_get $p1 $j]
   1.300 +      set value [page_read $gx]
   1.301 +      page_unref $gx
   1.302 +      set shouldbe "Page-$j v[expr {$i-1}]"
   1.303 +      if {$value!=$shouldbe} {
   1.304 +        lappend res $value $shouldbe
   1.305 +      }
   1.306 +    }
   1.307 +    set res
   1.308 +  } {}
   1.309 +  do_test pager-4.5.$i.1 {
   1.310 +    page_write $g1 "Page-1 v$i"
   1.311 +    lrange [pager_stats $p1] 8 9
   1.312 +  } {state 2}
   1.313 +  do_test pager-4.5.$i.2 {
   1.314 +    for {set j 2} {$j<=20} {incr j} {
   1.315 +      set gx [page_get $p1 $j]
   1.316 +      page_write $gx "Page-$j v$i"
   1.317 +      page_unref $gx
   1.318 +      if {$j==$i} {
   1.319 +        pager_stmt_begin $p1
   1.320 +      }
   1.321 +    }
   1.322 +  } {}
   1.323 +  do_test pager-4.5.$i.3 {
   1.324 +    set res {}
   1.325 +    for {set j 2} {$j<=20} {incr j} {
   1.326 +      set gx [page_get $p1 $j]
   1.327 +      set value [page_read $gx]
   1.328 +      page_unref $gx
   1.329 +      set shouldbe "Page-$j v$i"
   1.330 +      if {$value!=$shouldbe} {
   1.331 +        lappend res $value $shouldbe
   1.332 +      }
   1.333 +    }
   1.334 +    set res
   1.335 +  } {}
   1.336 +  do_test pager-4.5.$i.4 {
   1.337 +    pager_rollback $p1
   1.338 +    set res {}
   1.339 +    for {set j 2} {$j<=20} {incr j} {
   1.340 +      set gx [page_get $p1 $j]
   1.341 +      set value [page_read $gx]
   1.342 +      page_unref $gx
   1.343 +      set shouldbe "Page-$j v[expr {$i-1}]"
   1.344 +      if {$value!=$shouldbe} {
   1.345 +        lappend res $value $shouldbe
   1.346 +      }
   1.347 +    }
   1.348 +    set res
   1.349 +  } {}
   1.350 +  do_test pager-4.5.$i.5 {
   1.351 +    page_write $g1 "Page-1 v$i"
   1.352 +    lrange [pager_stats $p1] 8 9
   1.353 +  } {state 2}
   1.354 +  do_test pager-4.5.$i.6 {
   1.355 +    for {set j 2} {$j<=20} {incr j} {
   1.356 +      set gx [page_get $p1 $j]
   1.357 +      page_write $gx "Page-$j v$i"
   1.358 +      page_unref $gx
   1.359 +      if {$j==$i} {
   1.360 +        pager_stmt_begin $p1
   1.361 +      }
   1.362 +    }
   1.363 +  } {}
   1.364 +  do_test pager-4.5.$i.7 {
   1.365 +    pager_stmt_rollback $p1
   1.366 +    for {set j 2} {$j<=20} {incr j} {
   1.367 +      set gx [page_get $p1 $j]
   1.368 +      set value [page_read $gx]
   1.369 +      page_unref $gx
   1.370 +      if {$j<=$i || $i==1} {
   1.371 +        set shouldbe "Page-$j v$i"
   1.372 +      } else {
   1.373 +        set shouldbe "Page-$j v[expr {$i-1}]"
   1.374 +      }
   1.375 +      if {$value!=$shouldbe} {
   1.376 +        lappend res $value $shouldbe
   1.377 +      }
   1.378 +    }
   1.379 +    set res
   1.380 +  } {}
   1.381 +  do_test pager-4.5.$i.8 {
   1.382 +    for {set j 2} {$j<=20} {incr j} {
   1.383 +      set gx [page_get $p1 $j]
   1.384 +      page_write $gx "Page-$j v$i"
   1.385 +      page_unref $gx
   1.386 +      if {$j==$i} {
   1.387 +        pager_stmt_begin $p1
   1.388 +      }
   1.389 +    }
   1.390 +  } {}
   1.391 +  do_test pager-4.5.$i.9 {
   1.392 +    pager_stmt_commit $p1
   1.393 +    for {set j 2} {$j<=20} {incr j} {
   1.394 +      set gx [page_get $p1 $j]
   1.395 +      set value [page_read $gx]
   1.396 +      page_unref $gx
   1.397 +      set shouldbe "Page-$j v$i"
   1.398 +      if {$value!=$shouldbe} {
   1.399 +        lappend res $value $shouldbe
   1.400 +      }
   1.401 +    }
   1.402 +    set res
   1.403 +  } {}
   1.404 +  do_test pager-4.5.$i.10 {
   1.405 +    pager_commit $p1
   1.406 +    lrange [pager_stats $p1] 8 9
   1.407 +  } {state 1}
   1.408 +}
   1.409 +
   1.410 +# Test that nothing bad happens when sqlite3pager_set_cachesize() is
   1.411 +# called with a negative argument.
   1.412 +do_test pager-4.6.1 {
   1.413 +  pager_close [pager_open ptf2.db -15]
   1.414 +} {}
   1.415 +
   1.416 +# Test truncate on an in-memory database is Ok.
   1.417 +ifcapable memorydb {
   1.418 +  do_test pager-4.6.2 {
   1.419 +    set ::p2 [pager_open :memory: 10]
   1.420 +    pager_truncate $::p2 5
   1.421 +  } {}
   1.422 +  do_test pager-4.6.3 {
   1.423 +    for {set i 1} {$i<5} {incr i} {
   1.424 +      set p [page_get $::p2 $i]
   1.425 +      page_write $p "Page $i"
   1.426 +      pager_commit $::p2
   1.427 +      page_unref $p
   1.428 +    }
   1.429 +    # pager_truncate $::p2 3
   1.430 +  } {}
   1.431 +  do_test pager-4.6.4 {
   1.432 +    pager_close $::p2
   1.433 +  } {}
   1.434 +}
   1.435 +
   1.436 +do_test pager-4.99 {
   1.437 +  page_unref $::g1
   1.438 +  pager_close $::p1
   1.439 +} {}
   1.440 +
   1.441 +
   1.442 +
   1.443 +  file delete -force ptf1.db
   1.444 +
   1.445 +} ;# end if( not mem: and has pager_open command );
   1.446 +
   1.447 +if 0 {
   1.448 +# Ticket #615: an assertion fault inside the pager.  It is a benign
   1.449 +# fault, but we might as well test for it.
   1.450 +#
   1.451 +do_test pager-5.1 {
   1.452 +  sqlite3 db test.db
   1.453 +  execsql {
   1.454 +    BEGIN;
   1.455 +    CREATE TABLE t1(x);
   1.456 +    PRAGMA synchronous=off;
   1.457 +    COMMIT;
   1.458 +  }
   1.459 +} {}
   1.460 +}
   1.461 +
   1.462 +# The following tests cover rolling back hot journal files. 
   1.463 +# They can't be run on windows because the windows version of 
   1.464 +# SQLite holds a mandatory exclusive lock on journal files it has open.
   1.465 +#
   1.466 +if {$tcl_platform(platform)!="windows" && $tcl_platform(platform)!="symbian"} {
   1.467 +do_test pager-6.1 {
   1.468 +  file delete -force test2.db
   1.469 +  file delete -force test2.db-journal
   1.470 +  sqlite3 db2 test2.db
   1.471 +  execsql {
   1.472 +    PRAGMA synchronous = 0;
   1.473 +    CREATE TABLE abc(a, b, c);
   1.474 +    INSERT INTO abc VALUES(1, 2, randstr(200,200));
   1.475 +    INSERT INTO abc VALUES(1, 2, randstr(200,200));
   1.476 +    INSERT INTO abc VALUES(1, 2, randstr(200,200));
   1.477 +    INSERT INTO abc VALUES(1, 2, randstr(200,200));
   1.478 +    INSERT INTO abc VALUES(1, 2, randstr(200,200));
   1.479 +    INSERT INTO abc VALUES(1, 2, randstr(200,200));
   1.480 +    INSERT INTO abc VALUES(1, 2, randstr(200,200));
   1.481 +    INSERT INTO abc VALUES(1, 2, randstr(200,200));
   1.482 +    INSERT INTO abc VALUES(1, 2, randstr(200,200));
   1.483 +    BEGIN;
   1.484 +    UPDATE abc SET c = randstr(200,200);
   1.485 +  } db2
   1.486 +  copy_file test2.db test.db
   1.487 +  copy_file test2.db-journal test.db-journal
   1.488 +
   1.489 +  set f [open test.db-journal a]
   1.490 +  fconfigure $f -encoding binary
   1.491 +  seek $f [expr [file size test.db-journal] - 1032] start
   1.492 +  puts -nonewline $f "\00\00\00\00"
   1.493 +  close $f
   1.494 +
   1.495 +  sqlite3 db test.db
   1.496 +  execsql {
   1.497 +    SELECT sql FROM sqlite_master
   1.498 +  }
   1.499 +} {{CREATE TABLE abc(a, b, c)}}
   1.500 +
   1.501 +do_test pager-6.2 {
   1.502 +  copy_file test2.db test.db
   1.503 +  copy_file test2.db-journal test.db-journal
   1.504 +
   1.505 +  set f [open test.db-journal a]
   1.506 +  fconfigure $f -encoding binary
   1.507 +  seek $f [expr [file size test.db-journal] - 1032] start
   1.508 +  puts -nonewline $f "\00\00\00\FF"
   1.509 +  close $f
   1.510 +
   1.511 +  sqlite3 db test.db
   1.512 +  execsql {
   1.513 +    SELECT sql FROM sqlite_master
   1.514 +  }
   1.515 +} {{CREATE TABLE abc(a, b, c)}}
   1.516 +
   1.517 +do_test pager-6.3 {
   1.518 +  copy_file test2.db test.db
   1.519 +  copy_file test2.db-journal test.db-journal
   1.520 +
   1.521 +  set f [open test.db-journal a]
   1.522 +  fconfigure $f -encoding binary
   1.523 +  seek $f [expr [file size test.db-journal] - 4] start
   1.524 +  puts -nonewline $f "\00\00\00\00"
   1.525 +  close $f
   1.526 +
   1.527 +  sqlite3 db test.db
   1.528 +  execsql {
   1.529 +    SELECT sql FROM sqlite_master
   1.530 +  }
   1.531 +} {{CREATE TABLE abc(a, b, c)}}
   1.532 +
   1.533 +do_test pager-6.4.1 {
   1.534 +  execsql {
   1.535 +    BEGIN;
   1.536 +    SELECT sql FROM sqlite_master;
   1.537 +  }
   1.538 +  copy_file test2.db-journal test.db-journal;
   1.539 +  sqlite3 db3 test.db
   1.540 +  catchsql {
   1.541 +    BEGIN;
   1.542 +    SELECT sql FROM sqlite_master;
   1.543 +  } db3;
   1.544 +} {1 {database is locked}}
   1.545 +do_test pager-6.4.2 {
   1.546 +  file delete -force test.db-journal
   1.547 +  catchsql {
   1.548 +    SELECT sql FROM sqlite_master;
   1.549 +  } db3;
   1.550 +} {0 {{CREATE TABLE abc(a, b, c)}}}
   1.551 +do_test pager-6.4.3 {
   1.552 +  db3 close
   1.553 +  execsql {
   1.554 +    COMMIT;
   1.555 +  }
   1.556 +} {}
   1.557 +
   1.558 +do_test pager-6.5 {
   1.559 +  copy_file test2.db test.db
   1.560 +  copy_file test2.db-journal test.db-journal
   1.561 +
   1.562 +  set f [open test.db-journal a]
   1.563 +  fconfigure $f -encoding binary
   1.564 +  puts -nonewline $f "hello"
   1.565 +  puts -nonewline $f "\x00\x00\x00\x05\x01\x02\x03\x04"
   1.566 +  puts -nonewline $f "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"
   1.567 +  close $f
   1.568 +
   1.569 +  sqlite3 db test.db
   1.570 +  execsql {
   1.571 +    SELECT sql FROM sqlite_master
   1.572 +  }
   1.573 +} {{CREATE TABLE abc(a, b, c)}}
   1.574 +
   1.575 +do_test pager-6.5 {
   1.576 +  db2 close
   1.577 +} {}
   1.578 +}
   1.579 +finish_test