public function testEndsWith()
{
$str = new Str("Hello, world.");
$this->assertTrue($str->endsWith("."));
$this->assertTrue($str->endsWith("world."));
$this->assertTrue($str->endsWith("LD.", true));
$this->assertFalse($str->endsWith("H"));
$this->assertFalse($str->endsWith("Hello,"));
$this->assertFalse($str->endsWith("HE"));
}
