used safe casting to int (BC break)

tests/dibi/Fluent.select.phpt

@@ -144,10 +144,9 @@ if ($config['system'] === 'mysql') {
 		->limit(' 1; DROP TABLE users')
 		->offset(' 1; DROP TABLE users');
 
-	Assert::same(
-		reformat('  SELECT * LIMIT 1 OFFSET 1'),
-		(string) $fluent
-	);
+	Assert::error(function () use ($fluent) {
+		(string) $fluent;
+	}, E_USER_ERROR, "Expected number, ' 1; DROP TABLE users' given.");
 }
 
 

tests/dibi/Helpers.intVal().phpt

@@ -0,0 +1,32 @@
+<?php
+declare(strict_types=1);
+
+use Dibi\Helpers;
+use Tester\Assert;
+
+require __DIR__ . '/bootstrap.php';
+
+
+Assert::same(0, Helpers::intVal(0));
+Assert::same(0, Helpers::intVal('0'));
+Assert::same(-10, Helpers::intVal('-10'));
+
+Assert::exception(function () {
+	Helpers::intVal('12345678901234567890123456879');
+}, Dibi\Exception::class, 'Number 12345678901234567890123456879 is greater than integer.');
+
+Assert::exception(function () {
+	Helpers::intVal('-12345678901234567890123456879');
+}, Dibi\Exception::class, 'Number -12345678901234567890123456879 is greater than integer.');
+
+Assert::exception(function () {
+	Helpers::intVal('');
+}, Dibi\Exception::class, "Expected number, '' given.");
+
+Assert::exception(function () {
+	Helpers::intVal('not number');
+}, Dibi\Exception::class, "Expected number, 'not number' given.");
+
+Assert::exception(function () {
+	Helpers::intVal(null);
+}, Dibi\Exception::class, "Expected number, '' given.");