sqlite/test/altermalloc2.test
dan d03d3a9b74 Fix a crash in new ALTER TABLE code that could follow an OOM.
FossilOrigin-Name: 6f1f2a0a9cd75ca43b81cc325296b843ccefe6f8040da8f2e873f49928423f10
2021-06-11 12:14:58 +00:00

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# 2018 August 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.
#
#*************************************************************************
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
set testprefix altermalloc2
# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
ifcapable !altertable {
finish_test
return
}
do_execsql_test 1.0 {
CREATE TABLE t1(abcd, efgh);
}
faultsim_save_and_close
do_faultsim_test 1 -prep {
faultsim_restore_and_reopen
} -body {
execsql {
ALTER TABLE t1 RENAME abcd TO dcba
}
} -test {
faultsim_test_result {0 {}}
}
catch {db close}
forcedelete test.db
sqlite3 db test.db
do_execsql_test 2.0 {
PRAGMA encoding = 'utf-16';
CREATE TABLE t1(abcd, efgh);
}
faultsim_save_and_close
do_faultsim_test 2 -prep {
faultsim_restore_and_reopen
} -body {
execsql {
ALTER TABLE t1 RENAME abcd TO dcba
}
} -test {
faultsim_test_result {0 {}}
}
reset_db
do_execsql_test 3.0 {
CREATE TABLE t1(abcd, efgh);
CREATE VIEW v1 AS SELECT * FROM t1 WHERE abcd>efgh;
}
faultsim_save_and_close
do_faultsim_test 3 -prep {
faultsim_restore_and_reopen
} -body {
execsql {
ALTER TABLE t1 RENAME abcd TO dcba
}
} -test {
faultsim_test_result {0 {}}
}
reset_db
do_execsql_test 4.0 {
CREATE TABLE rr(a, b);
CREATE VIEW vv AS SELECT * FROM rr;
CREATE TRIGGER vv1 INSTEAD OF INSERT ON vv BEGIN
SELECT 1, 2, 3;
END;
CREATE TRIGGER tr1 AFTER INSERT ON rr BEGIN
INSERT INTO vv VALUES(new.a, new.b);
END;
} {}
faultsim_save_and_close
do_faultsim_test 4 -faults oom-* -prep {
faultsim_restore_and_reopen
execsql { SELECT * FROM sqlite_master }
} -body {
execsql {
ALTER TABLE rr RENAME a TO c;
}
} -test {
faultsim_test_result {0 {}}
}
reset_db
do_execsql_test 5.0 {
CREATE TABLE rr(a, b);
CREATE VIEW vv AS SELECT * FROM (
WITH abc(d, e) AS (SELECT * FROM rr)
SELECT * FROM abc
);
} {}
faultsim_save_and_close
do_faultsim_test 5 -faults oom-* -prep {
faultsim_restore_and_reopen
execsql { SELECT * FROM sqlite_master }
} -body {
execsql {
ALTER TABLE rr RENAME TO c;
}
} -test {
faultsim_test_result {0 {}}
}
finish_test