wasCSharpSQLite – Blame information for rev 1
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| Rev | Author | Line No. | Line |
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| 1 | office | 1 | # 2008 July 9 |
| 2 | # |
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| 3 | # The author disclaims copyright to this source code. In place of |
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| 4 | # a legal notice, here is a blessing: |
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| 5 | # |
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| 6 | # May you do good and not evil. |
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| 7 | # May you find forgiveness for yourself and forgive others. |
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| 8 | # May you share freely, never taking more than you give. |
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| 9 | # |
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| 10 | #*********************************************************************** |
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| 11 | # This file implements regression tests for SQLite library. |
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| 12 | # |
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| 13 | # This file implements tests to make sure SQLite does not crash or |
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| 14 | # segfault if it sees a corrupt database file. It specifically focuses |
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| 15 | # on corrupt pointer map pages. |
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| 16 | # |
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| 17 | # $Id: corrupt8.test,v 1.2 2008/07/11 03:34:10 drh Exp $ |
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| 18 | |||
| 19 | set testdir [file dirname $argv0] |
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| 20 | source $testdir/tester.tcl |
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| 21 | |||
| 22 | # Do not use a codec for tests in this file, as the database file is |
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| 23 | # manipulated directly using tcl scripts (using the [hexio_write] command). |
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| 24 | # |
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| 25 | do_not_use_codec |
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| 26 | |||
| 27 | # We must have the page_size pragma for these tests to work. |
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| 28 | # |
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| 29 | ifcapable !pager_pragmas||!autovacuum { |
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| 30 | finish_test |
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| 31 | return |
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| 32 | } |
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| 33 | |||
| 34 | # Create a database to work with. |
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| 35 | # |
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| 36 | do_test corrupt8-1.1 { |
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| 37 | execsql { |
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| 38 | PRAGMA auto_vacuum=1; |
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| 39 | PRAGMA page_size=1024; |
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| 40 | CREATE TABLE t1(x); |
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| 41 | INSERT INTO t1(x) VALUES(1); |
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| 42 | INSERT INTO t1(x) VALUES(2); |
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| 43 | INSERT INTO t1(x) SELECT x+2 FROM t1; |
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| 44 | INSERT INTO t1(x) SELECT x+4 FROM t1; |
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| 45 | INSERT INTO t1(x) SELECT x+8 FROM t1; |
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| 46 | INSERT INTO t1(x) SELECT x+16 FROM t1; |
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| 47 | INSERT INTO t1(x) SELECT x+32 FROM t1; |
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| 48 | INSERT INTO t1(x) SELECT x+64 FROM t1; |
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| 49 | INSERT INTO t1(x) SELECT x+128 FROM t1; |
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| 50 | INSERT INTO t1(x) SELECT x+256 FROM t1; |
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| 51 | CREATE TABLE t2(a,b); |
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| 52 | INSERT INTO t2 SELECT x, x*x FROM t1; |
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| 53 | } |
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| 54 | expr {[file size test.db]>1024*12} |
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| 55 | } {1} |
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| 56 | integrity_check corrupt8-1.2 |
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| 57 | |||
| 58 | # Loop through each ptrmap entry. Corrupt the entry and make sure the |
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| 59 | # corruption is detected by the integrity_check. |
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| 60 | # |
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| 61 | for {set i 1024} {$i<2048} {incr i 5} { |
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| 62 | set oldval [hexio_read test.db $i 1] |
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| 63 | if {$oldval==0} break |
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| 64 | hexio_write test.db $i 00 |
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| 65 | do_test corrupt8-2.$i.0 { |
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| 66 | db close |
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| 67 | sqlite3 db test.db |
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| 68 | set x [db eval {PRAGMA integrity_check}] |
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| 69 | expr {$x!="ok"} |
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| 70 | } {1} |
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| 71 | for {set k 1} {$k<=5} {incr k} { |
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| 72 | if {$k==$oldval} continue |
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| 73 | hexio_write test.db $i 0$k |
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| 74 | do_test corrupt8-2.$i.$k { |
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| 75 | db close |
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| 76 | sqlite3 db test.db |
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| 77 | set x [db eval {PRAGMA integrity_check}] |
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| 78 | expr {$x!="ok"} |
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| 79 | } {1} |
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| 80 | } |
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| 81 | hexio_write test.db $i 06 |
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| 82 | do_test corrupt8-2.$i.6 { |
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| 83 | db close |
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| 84 | sqlite3 db test.db |
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| 85 | set x [db eval {PRAGMA integrity_check}] |
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| 86 | expr {$x!="ok"} |
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| 87 | } {1} |
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| 88 | hexio_write test.db $i $oldval |
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| 89 | if {$oldval>2} { |
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| 90 | set i2 [expr {$i+1+$i%4}] |
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| 91 | set oldval [hexio_read test.db $i2 1] |
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| 92 | hexio_write test.db $i2 [format %02x [expr {($oldval+1)&0xff}]] |
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| 93 | do_test corrupt8-2.$i.7 { |
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| 94 | db close |
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| 95 | sqlite3 db test.db |
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| 96 | set x [db eval {PRAGMA integrity_check}] |
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| 97 | expr {$x!="ok"} |
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| 98 | } {1} |
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| 99 | hexio_write test.db $i2 $oldval |
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| 100 | } |
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| 101 | } |
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| 102 | |||
| 103 | |||
| 104 | finish_test |