wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2010 September 20 |
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 verify that ticket [313723c356] has been |
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14 | # fixed. |
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15 | # |
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16 | |||
17 | set testdir [file dirname $argv0] |
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18 | source $testdir/tester.tcl |
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19 | source $testdir/malloc_common.tcl |
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20 | |||
21 | ifcapable !wal { finish_test ; return } |
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22 | |||
23 | do_execsql_test tkt-313723c356.1 { |
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24 | PRAGMA page_size = 1024; |
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25 | PRAGMA journal_mode = WAL; |
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26 | CREATE TABLE t1(a, b); |
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27 | CREATE INDEX i1 ON t1(a, b); |
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28 | INSERT INTO t1 VALUES(randomblob(400), randomblob(400)); |
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29 | INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1; |
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30 | INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1; |
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31 | INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1; |
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32 | INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1; |
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33 | } {wal} |
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34 | faultsim_save_and_close |
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35 | |||
36 | do_faultsim_test tkt-313723c356.2 -faults shmerr* -prep { |
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37 | faultsim_restore_and_reopen |
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38 | sqlite3 db2 test.db |
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39 | db eval { SELECT * FROM t1 } |
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40 | db2 eval { UPDATE t1 SET a = randomblob(399) } |
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41 | db2 close |
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42 | } -body { |
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43 | # At this point, the cache contains all of table t1 and none of index i1. The |
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44 | # cache is out of date. When the bug existed and the right xShmLock() fails |
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45 | # in the following statement, the internal cache of the WAL header was |
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46 | # being updated, but the contents of the page-cache not flushed. This causes |
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47 | # the integrity-check in the "-test" code to fail, as it is comparing the |
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48 | # cached (out-of-date) version of table t1 with the on disk (up-to-date) |
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49 | # version of index i1. |
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50 | # |
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51 | execsql { SELECT min(rowid) FROM t1 } |
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52 | } -test { |
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53 | faultsim_test_result {0 1} |
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54 | faultsim_integrity_check |
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55 | } |
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56 | |||
57 | finish_test |