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libsql/libsql-sqlite3/ext/fts5/test/fts5fault3.test
2023-10-16 13:58:16 +02:00

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# 2014 June 17
#
# 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.
#
source [file join [file dirname [info script]] fts5_common.tcl]
source $testdir/malloc_common.tcl
set testprefix fts5fault3
# If SQLITE_ENABLE_FTS3 is defined, omit this file.
ifcapable !fts5 {
finish_test
return
}
#-------------------------------------------------------------------------
# An OOM while resuming a partially completed segment merge.
#
db func rnddoc fts5_rnddoc
do_test 1.0 {
expr srand(0)
execsql {
CREATE VIRTUAL TABLE xx USING fts5(x);
INSERT INTO xx(xx, rank) VALUES('pgsz', 32);
INSERT INTO xx(xx, rank) VALUES('automerge', 16);
}
for {set i 0} {$i < 10} {incr i} {
execsql {
BEGIN;
INSERT INTO xx(x) VALUES(rnddoc(20));
INSERT INTO xx(x) VALUES(rnddoc(20));
INSERT INTO xx(x) VALUES(rnddoc(20));
COMMIT
}
}
execsql {
INSERT INTO xx(xx, rank) VALUES('automerge', 2);
INSERT INTO xx(xx, rank) VALUES('merge', 50);
}
} {}
faultsim_save_and_close
do_faultsim_test 1 -faults oom-* -prep {
faultsim_restore_and_reopen
} -body {
execsql { INSERT INTO xx(xx, rank) VALUES('merge', 1) }
} -test {
faultsim_test_result [list 0 {}]
}
#-------------------------------------------------------------------------
# An OOM while flushing an unusually large term to disk.
#
reset_db
do_execsql_test 2.0 {
CREATE VIRTUAL TABLE xx USING fts5(x);
INSERT INTO xx(xx, rank) VALUES('pgsz', 32);
}
faultsim_save_and_close
set doc "a long term abcdefghijklmnopqrstuvwxyz "
append doc "and then abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz "
append doc [string repeat "abcdefghijklmnopqrstuvwxyz" 10]
do_faultsim_test 2 -faults oom-* -prep {
faultsim_restore_and_reopen
} -body {
execsql { INSERT INTO xx(x) VALUES ($::doc) }
} -test {
faultsim_test_result [list 0 {}]
}
#-------------------------------------------------------------------------
# An OOM while flushing an unusually large term to disk.
#
reset_db
do_execsql_test 3.0 {
CREATE VIRTUAL TABLE xx USING fts5(x);
}
faultsim_save_and_close
set doc [fts5_rnddoc 1000]
do_faultsim_test 3.1 -faults oom-* -prep {
faultsim_restore_and_reopen
} -body {
execsql { INSERT INTO xx(x) VALUES ($::doc) }
} -test {
faultsim_test_result [list 0 {}]
}
set doc [string repeat "abc " 100]
do_faultsim_test 3.2 -faults oom-* -prep {
faultsim_restore_and_reopen
} -body {
execsql { INSERT INTO xx(x) VALUES ($::doc) }
} -test {
faultsim_test_result [list 0 {}]
}
finish_test