public function testMultipleEnumCaching()
{
// populate cache
$this->assertEquals(TestEnum::BAR, TestEnum::BAR()->val());
$this->assertEquals(AnotherTestEnum::BAR2, AnotherTestEnum::BAR2()->val());
// and check it
$this->assertTrue(TestEnum::FOO()->equals(TestEnum::FOO));
$this->assertTrue(AnotherTestEnum::FOO2()->equals(AnotherTestEnum::FOO2));
}