sqlite/test/altermalloc3.test

# 2021 February 18
#
# 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 altermalloc3

# If SQLITE_OMIT_ALTERTABLE is defined, omit this file.
ifcapable !altertable {
  finish_test
  return
}


set ::TMPDBERROR [list 1 \
  {unable to open a temporary database file for storing temporary tables}
]

do_execsql_test 1.0 {
  CREATE TABLE x1(
      one, two, three, PRIMARY KEY(one), 
      CHECK (three!="xyz"), CHECK (two!="one")
  ) WITHOUT ROWID;
  CREATE INDEX x1i ON x1(one+"two"+"four") WHERE "five";
  CREATE TEMP TRIGGER AFTER INSERT ON x1 BEGIN
    UPDATE x1 SET two=new.three || "new" WHERE one=new.one||"";
  END;
  CREATE TABLE t1(a, b, c, d, PRIMARY KEY(d, b)) WITHOUT ROWID;
  INSERT INTO t1 VALUES(1, 2, 3, 4);
}
faultsim_save_and_close

do_faultsim_test 1 -prep {
  faultsim_restore_and_reopen
} -body {
  execsql { ALTER TABLE t1 DROP COLUMN c }
} -test {
  faultsim_test_result {0 {}} $::TMPDBERROR
}


#-------------------------------------------------------------------------
# dbsqlfuzz e3dd84cda3848016a6a6024c7249d09bc2ef2615
#
reset_db
do_execsql_test 2.0 {
  CREATE TABLE t2(k,v);
  CREATE TRIGGER r2 AFTER INSERT ON t2 BEGIN
    UPDATE t2 SET (k,v)= (
       (WITH cte1(a) AS ( SELECT 1 FROM ( SELECT * FROM t2 ) )
       SELECT a FROM cte1
    ), 1);
  END;

  CREATE TRIGGER r1 AFTER INSERT ON t2 BEGIN
    UPDATE t2 SET k=1 FROM t2 AS one, t2 AS two NATURAL JOIN t2 AS three 
    WHERE one.k=two.v;
  END;
}

faultsim_save_and_close
faultsim_restore_and_reopen

do_execsql_test 2.1 {
  ALTER TABLE t2 RENAME TO t2x;
}

do_faultsim_test 2.2 -prep {
  faultsim_restore_and_reopen
  db eval { SELECT * FROM sqlite_master } 
} -body {
  execsql {
    ALTER TABLE t2 RENAME TO t2x;
  }
} -test {
  faultsim_test_result {0 {}} $::TMPDBERROR
}

finish_test