public function testInvalidateForcesTheSpecifiedValueToBeRegenerated()
{
$pool = new MemoryPool();
$result = $pool->get('foo', function () {
return 1;
});
$this->assertEquals(1, $result);
$pool->invalidate('foo');
$result = $pool->get('foo', function () {
return 2;
});
$this->assertEquals(2, $result);
}
