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Add extra tests for secure-delete mode.

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FossilOrigin-Name: e380cd3ce34d509e184081ecccf27fda11ce1da7
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dan
2012-08-07 17:41:50 +00:00
parent 38d073040d
commit 2aba5d96f4
4 changed files with 103 additions and 8 deletions
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test/permutations.test
+1 -1
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@@ -111,7 +111,7 @@ set allquicktests [test_set $alltests -exclude {
thread003.test thread004.test thread005.test trans2.test vacuum3.test
incrvacuum_ioerr.test autovacuum_crash.test btree8.test shared_err.test
vtab_err.test walslow.test walcrash.test walcrash3.test
walthread.test rtree3.test indexfault.test
walthread.test rtree3.test indexfault.test securedel2.test
}]
if {[info exists ::env(QUICKTEST_INCLUDE)]} {
set allquicktests [concat $allquicktests $::env(QUICKTEST_INCLUDE)]
test/securedel2.test
+94
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@@ -0,0 +1,94 @@
# 2012 August 7
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#*************************************************************************
#
# Tests for the secure_delete pragma.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix securedel2
# Generate 1000 pseudo-random 64-bit blobs.
#
for {set i 1} {$i <= 1000} {incr i} {
set aBlob($i) [string range [db one {SELECT quote(randomblob(8))}] 2 end-1]
}
proc detect_blob_prepare {zFile} {
set nByte [file size $zFile]
set ::detect_blob_data [hexio_read $zFile 0 $nByte]
}
proc detect_blob {zFile iBlob} {
if {$zFile != ""} { detect_blob_prepare $zFile }
string match "*$::aBlob($iBlob)*" $::detect_blob_data
}
do_test 1.1 {
execsql { PRAGMA secure_delete = 1 }
execsql { CREATE TABLE t1(x, y) }
for {set i 1} {$i <= 1000} {incr i} {
set x "X'[string repeat $aBlob($i) 1]'"
set y "X'[string repeat $aBlob($i) 500]'"
execsql "INSERT INTO t1 VALUES($x, $y)"
}
} {}
do_test 1.2 { detect_blob test.db 1 } {1}
forcecopy test.db test.db.bak
do_execsql_test 1.3.1 { PRAGMA secure_delete = 0 } {0}
do_execsql_test 1.3.2 { DELETE FROM t1 WHERE rowid = 1 }
do_test 1.3.3 { detect_blob test.db 1 } {1}
db close
forcecopy test.db.bak test.db
sqlite3 db test.db
do_execsql_test 1.4.1 { PRAGMA secure_delete = 1 } {1}
do_execsql_test 1.4.2 { DELETE FROM t1 WHERE rowid = 1 }
do_test 1.4.3 { detect_blob test.db 1 } {0}
do_execsql_test 1.5.1 { DELETE FROM t1 WHERE rowid>850 } {}
do_test 1.5.2 {
set n 0
detect_blob_prepare test.db
for {set i 851} {$i <= 1000} {incr i 5} {
incr n [detect_blob {} $i]
}
set n
} {0}
db close
sqlite3 db test.db
do_test 1.6.1 {
execsql {
PRAGMA cache_size = 200;
PRAGMA secure_delete = 1;
CREATE TABLE t2(x);
SELECT * FROM t1;
}
for {set i 100} {$i < 5000} {incr i} {
execsql { INSERT INTO t2 VALUES(randomblob($i)) }
}
execsql { DELETE FROM t1 }
} {}
do_test 1.6.2 {
set n 0
detect_blob_prepare test.db
for {set i 2} {$i <= 850} {incr i 5} {
incr n [detect_blob {} $i]
}
set n
} {0}
finish_test