Add tests

Author: VincentLanglet

tests/PHPStan/Analyser/nsrt/bug-13692-php74.php

@@ -0,0 +1,19 @@
+<?php // lint < 8.0
+
+namespace Bug13692Php74;
+
+use function PHPStan\Testing\assertType;
+
+class Foo
+{
+
+	public function doFoo()
+	{
+		assertType('false', openssl_cipher_iv_length('aes-128-cbc-cts'));
+
+		// These should still work correctly
+		assertType('int', openssl_cipher_iv_length('aes-128-cbc'));
+		assertType('false', openssl_cipher_iv_length('unknown'));
+	}
+
+}

tests/PHPStan/Analyser/nsrt/bug-13692-php85.php

@@ -0,0 +1,17 @@
+<?php // lint >= 8.5
+
+namespace Bug13692Php85;
+
+use function PHPStan\Testing\assertType;
+
+class Foo
+{
+
+	public function doFoo()
+	{
+		assertType('int', openssl_cipher_iv_length('aes-128-cbc-cts'));
+		assertType('int', openssl_cipher_iv_length('aes-128-cbc'));
+		assertType('false', openssl_cipher_iv_length('unknown'));
+	}
+
+}