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# 2021 November 16
#
# 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 implements regression tests for SQLite library.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix alterfault
# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
ifcapable !altertable {
finish_test
return
}
do_execsql_test 1.0 {
CREATE TABLE t1(a);
CREATE TEMP TRIGGER tr1 AFTER INSERT ON t1 BEGIN
SELECT 123;
END;
}
faultsim_save_and_close
do_faultsim_test 1.1 -faults oom* -prep {
faultsim_restore_and_reopen
} -body {
execsql {
ALTER TABLE t1 ADD COLUMN b CHECK (a!=1)
}
} -test {
faultsim_test_result {0 {}}
}
reset_db
do_execsql_test 2.0 {
CREATE TABLE x1(d, e CONSTRAINT abc NOT NULL, f);
}
faultsim_save_and_close
foreach {tn sql} {
1 { ALTER TABLE x1 ADD CHECK (d!=1) }
2 { ALTER TABLE x1 ADD CONSTRAINT xyz CHECK (f>d+e); }
3 { ALTER TABLE x1 DROP CONSTRAINT abc }
4 { ALTER TABLE x1 ALTER f SET NOT NULL }
5 { ALTER TABLE x1 ALTER e DROP NOT NULL }
} {
do_faultsim_test 2.$tn -faults oom* -prep {
faultsim_restore_and_reopen
} -body {
execsql $::sql
} -test {
faultsim_test_result {0 {}}
}
}
# Test an OOM when returning an error.
#
do_faultsim_test 2.e -faults oom* -prep {
faultsim_restore_and_reopen
} -body {
execsql {
ALTER TABLE x1 DROP CONSTRAINT nosuchconstraint
}
} -test {
faultsim_test_result \
{1 {no such constraint: nosuchconstraint}} \
{1 {SQL logic error}}
}
finish_test
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