limbo/testing/delete.test
2025-06-19 13:50:38 -03:00

80 lines
2.8 KiB
Tcl
Executable file

#!/usr/bin/env tclsh
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Basic single row delete test
do_execsql_test_on_specific_db {:memory:} delete-single-1 {
CREATE TABLE t1(x INTEGER PRIMARY KEY);
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
INSERT INTO t1 VALUES (3);
DELETE FROM t1 WHERE x = 2;
SELECT * FROM t1 ORDER BY x;
} {1 3}
# Test alternating delete-insert pattern to stress freelist
do_execsql_test_on_specific_db {:memory:} delete-insert-alternate-1 {
CREATE TABLE t4(x INTEGER PRIMARY KEY);
INSERT INTO t4 VALUES (1);
INSERT INTO t4 VALUES (2);
INSERT INTO t4 VALUES (3);
DELETE FROM t4 WHERE x = 2;
INSERT INTO t4 VALUES (4);
DELETE FROM t4 WHERE x = 1;
INSERT INTO t4 VALUES (5);
SELECT * FROM t4 ORDER BY x;
} {3 4 5}
# Test deleting from both ends
do_execsql_test_on_specific_db {:memory:} delete-ends-1 {
CREATE TABLE t5(x INTEGER PRIMARY KEY);
INSERT INTO t5 VALUES (1);
INSERT INTO t5 VALUES (2);
INSERT INTO t5 VALUES (3);
INSERT INTO t5 VALUES (4);
INSERT INTO t5 VALUES (5);
-- Delete from both ends
DELETE FROM t5 WHERE x = 1;
DELETE FROM t5 WHERE x = 5;
SELECT * FROM t5 ORDER BY x;
} {2 3 4}
# Test delete-insert cycles with value reuse
do_execsql_test_on_specific_db {:memory:} delete-reuse-1 {
CREATE TABLE t6(x INTEGER PRIMARY KEY);
INSERT INTO t6 VALUES (1);
INSERT INTO t6 VALUES (2);
INSERT INTO t6 VALUES (3);
DELETE FROM t6 WHERE x = 2;
INSERT INTO t6 VALUES (2); -- Reuse same value
SELECT * FROM t6 ORDER BY x;
} {1 2 3}
# Test delete works when there are indexes
if {[info exists ::env(SQLITE_EXEC)] && $::env(SQLITE_EXEC) eq "scripts/limbo-sqlite3-index-experimental"} {
do_execsql_test_on_specific_db {:memory:} delete-all-with-indexes-1 {
CREATE TABLE t(a PRIMARY KEY);
CREATE INDEX tasc ON t(a);
CREATE INDEX tdesc ON t(a DESC);
INSERT INTO t VALUES (randomblob(1000));
DELETE FROM t;
SELECT * FROM t;
} {}
}
do_execsql_test_on_specific_db {:memory:} delete_where_falsy {
CREATE TABLE resourceful_schurz (diplomatic_kaplan BLOB);
INSERT INTO resourceful_schurz VALUES (X'696E646570656E64656E745F6A6165636B6C65'), (X'67656E65726F75735F62617262616E65677261'), (X'73757065725F74616E6E656E6261756D'), (X'6D6F76696E675F6E616F756D6F76'), (X'7374756E6E696E675F6B62');
INSERT INTO resourceful_schurz VALUES (X'70617373696F6E6174655F726F62696E'), (X'666169746866756C5F74686F6D6173'), (X'76696272616E745F6D69726F736C6176'), (X'737061726B6C696E675F67726179');
DELETE FROM resourceful_schurz WHERE - x'666169746866756c5f74686f6d6173';
SELECT * FROM resourceful_schurz;
} {independent_jaeckle
generous_barbanegra
super_tannenbaum
moving_naoumov
stunning_kb
passionate_robin
faithful_thomas
vibrant_miroslav
sparkling_gray}