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# 2023 July 20
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#*************************************************************************
#
# This file is focused on OOM errors. Particularly those that may occur
# when using contentless_delete=1 databases.
#
source [file join [file dirname [info script]] fts5_common.tcl]
source $testdir/malloc_common.tcl
set testprefix fts5faultF
# If SQLITE_ENABLE_FTS5 is not defined, omit this file.
ifcapable !fts5 {
finish_test
return
}
faultsim_save_and_close
do_faultsim_test 1 -prep {
faultsim_restore_and_reopen
} -body {
execsql {
CREATE VIRTUAL TABLE t1 USING fts5(x, y, content=, contentless_delete=1)
}
} -test {
faultsim_test_result {0 {}} {1 {vtable constructor failed: t1}}
}
reset_db
do_execsql_test 2.0 {
CREATE VIRTUAL TABLE t1 USING fts5(doc, content=, contentless_delete=1);
BEGIN;
INSERT INTO t1(rowid, doc) VALUES(1, 'a b c d');
INSERT INTO t1(rowid, doc) VALUES(2, 'a b c d');
INSERT INTO t1(rowid, doc) VALUES(3, 'a b c d');
INSERT INTO t1(rowid, doc) VALUES(4, 'a b c d');
COMMIT;
DELETE FROM t1 WHERE rowid IN (2, 4);
}
do_faultsim_test 2 -prep {
sqlite3 db test.db
execsql { SELECT rowid FROM t1 }
} -body {
execsql {
SELECT rowid FROM t1('b c');
}
} -test {
faultsim_test_result {0 {1 3}}
}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 3.0 {
CREATE VIRTUAL TABLE t1 USING fts5(doc, content=, contentless_delete=1);
BEGIN;
INSERT INTO t1(rowid, doc) VALUES(1, 'a b c d');
INSERT INTO t1(rowid, doc) VALUES(2, 'a b c d');
INSERT INTO t1(rowid, doc) VALUES(3, 'a b c d');
INSERT INTO t1(rowid, doc) VALUES(4, 'a b c d');
COMMIT;
}
faultsim_save_and_close
do_faultsim_test 3 -prep {
faultsim_restore_and_reopen
execsql { SELECT rowid FROM t1 }
} -body {
execsql {
INSERT INTO t1(rowid, doc) VALUES(5, 'a b c d');
}
} -test {
faultsim_test_result {0 {}}
}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 4.0 {
CREATE VIRTUAL TABLE t1 USING fts5(doc, content=, contentless_delete=1);
INSERT INTO t1(t1, rank) VALUES('pgsz', 64);
WITH s(i) AS (
SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<1000
)
INSERT INTO t1(rowid, doc) SELECT i, 'a b c d' FROM s;
}
do_execsql_test 4.1 { DELETE FROM t1 WHERE rowid <= 25 }
faultsim_save_and_close
do_faultsim_test 4 -faults oom-t* -prep {
faultsim_restore_and_reopen
execsql { SELECT rowid FROM t1 }
} -body {
execsql {
DELETE FROM t1 WHERE rowid < 100
}
} -test {
faultsim_test_result {0 {}}
}
finish_test
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