expectException(Exception::class); Guard::argumentNotNull(null, "dummy"); } public function testargumentIsValidIndex(): void { $this->expectException(Exception::class); Guard::argumentIsValidIndex(25, 10, "dummy"); } public function testargumentInRangeInclusive(): void { $this->expectException(Exception::class); Guard::argumentInRangeInclusive(101, 0, 100, "dummy"); } }