Add test for the free list comparator fix.

Author: devnexen

ext/sqlite3/tests/gh21483.phpt

@@ -0,0 +1,61 @@
+--TEST--
+GH-21483 (SQLite3 free list comparator uses correct pointer types)
+--EXTENSIONS--
+sqlite3
+--FILE--
+<?php
+
+$db = new SQLite3(':memory:');
+$db->exec('CREATE TABLE test (id INTEGER PRIMARY KEY, val TEXT)');
+$db->exec("INSERT INTO test VALUES (1, 'a')");
+$db->exec("INSERT INTO test VALUES (2, 'b')");
+$db->exec("INSERT INTO test VALUES (3, 'c')");
+
+$r1 = $db->query("SELECT * FROM test WHERE id = 1");
+$r2 = $db->query("SELECT * FROM test WHERE id = 2");
+$r3 = $db->query("SELECT * FROM test WHERE id = 3");
+
+var_dump($r1->fetchArray(SQLITE3_ASSOC));
+var_dump($r2->fetchArray(SQLITE3_ASSOC));
+var_dump($r3->fetchArray(SQLITE3_ASSOC));
+
+$r2->finalize();
+$r1->finalize();
+$r3->finalize();
+
+$stmt = $db->prepare("SELECT * FROM test WHERE id = ?");
+$stmt->bindValue(1, 2, SQLITE3_INTEGER);
+$result = $stmt->execute();
+var_dump($result->fetchArray(SQLITE3_ASSOC));
+$result->finalize();
+$stmt->close();
+
+$db->close();
+echo "Done\n";
+?>
+--EXPECT--
+array(2) {
+  ["id"]=>
+  int(1)
+  ["val"]=>
+  string(1) "a"
+}
+array(2) {
+  ["id"]=>
+  int(2)
+  ["val"]=>
+  string(1) "b"
+}
+array(2) {
+  ["id"]=>
+  int(3)
+  ["val"]=>
+  string(1) "c"
+}
+array(2) {
+  ["id"]=>
+  int(2)
+  ["val"]=>
+  string(1) "b"
+}
+Done