58 lines
1.9 KiB
Plaintext
58 lines
1.9 KiB
Plaintext
# 2010 September 20
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library.
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#
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# This file implements tests to verify that ticket [313723c356] has been
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# fixed.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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source $testdir/malloc_common.tcl
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ifcapable !wal { finish_test ; return }
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do_execsql_test tkt-313723c356.1 {
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PRAGMA page_size = 1024;
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PRAGMA journal_mode = WAL;
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CREATE TABLE t1(a, b);
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CREATE INDEX i1 ON t1(a, b);
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INSERT INTO t1 VALUES(randomblob(400), randomblob(400));
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INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1;
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INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1;
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INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1;
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INSERT INTO t1 SELECT randomblob(400), randomblob(400) FROM t1;
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} {wal}
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faultsim_save_and_close
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do_faultsim_test tkt-313723c356.2 -faults shmerr* -prep {
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faultsim_restore_and_reopen
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sqlite3 db2 test.db
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db eval { SELECT * FROM t1 }
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db2 eval { UPDATE t1 SET a = randomblob(399) }
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db2 close
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} -body {
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# At this point, the cache contains all of table t1 and none of index i1. The
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# cache is out of date. When the bug existed and the right xShmLock() fails
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# in the following statement, the internal cache of the WAL header was
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# being updated, but the contents of the page-cache not flushed. This causes
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# the integrity-check in the "-test" code to fail, as it is comparing the
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# cached (out-of-date) version of table t1 with the on disk (up-to-date)
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# version of index i1.
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#
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execsql { SELECT min(rowid) FROM t1 }
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} -test {
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faultsim_test_result {0 1}
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faultsim_integrity_check
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}
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finish_test
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