wasCSharpSQLite – Blame information for rev 7
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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 |