wasCSharpSQLite – Blame information for rev 7
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Rev | Author | Line No. | Line |
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1 | office | 1 | # 2010 July 1 |
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 | # Verify that an empty database and a non-empty WAL file do not |
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12 | # result in database corruption |
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13 | # |
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14 | |||
15 | set testdir [file dirname $argv0] |
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16 | source $testdir/tester.tcl |
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17 | source $testdir/malloc_common.tcl |
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18 | ifcapable !wal {finish_test ; return } |
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19 | |||
20 | do_test wal4-1.1 { |
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21 | execsql { |
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22 | PRAGMA journal_mode=WAL; |
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23 | CREATE TABLE t1(x); |
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24 | INSERT INTO t1 VALUES(1); |
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25 | INSERT INTO t1 VALUES(2); |
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26 | SELECT x FROM t1 ORDER BY x; |
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27 | } |
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28 | } {wal 1 2} |
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29 | |||
30 | do_test wal4-1.2 { |
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31 | # Save a copy of the file-system containing the wal and wal-index files |
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32 | # only (no database file). |
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33 | faultsim_save_and_close |
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34 | file delete -force sv_test.db |
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35 | } {} |
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36 | |||
37 | do_test wal4-1.3 { |
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38 | faultsim_restore_and_reopen |
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39 | catchsql { SELECT * FROM t1 } |
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40 | } {1 {no such table: t1}} |
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41 | |||
42 | do_faultsim_test wal4-2 -prep { |
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43 | faultsim_restore_and_reopen |
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44 | } -body { |
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45 | execsql { SELECT name FROM sqlite_master } |
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46 | } -test { |
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47 | # Result should be zero rows (empty db file). |
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48 | # |
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49 | faultsim_test_result {0 {}} |
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50 | |||
51 | # If the SELECT finished successfully, the WAL file should have been |
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52 | # deleted. In no case should the database file have been written, so |
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53 | # it should still be zero bytes in size regardless of whether or not |
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54 | # a fault was injected. Test these assertions: |
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55 | # |
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56 | if { $testrc==0 && [file exists test.db-wal] } { |
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57 | error "Wal file was not deleted" |
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58 | } |
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59 | if { [file size test.db]!=0 } { |
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60 | error "Db file grew to [file size test.db] bytes" |
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61 | } |
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62 | } |
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63 | |||
64 | finish_test |