function testModificationTime()
{
$f1 = new File("/test/test_dir/content_dir/another_dir/dont_touch_me_or_tests_will_fail_1.dat");
$f2 = new File("/test/test_dir/content_dir/another_dir/dont_touch_me_or_tests_will_fail_2.dat");
$m1 = $f1->getModificationTime();
sleep(1);
$f1->touch();
$m2 = $f1->getModificationTime();
$this->assertTrue($m1 < $m2, "I tempi di modifica dei file non corrispondono!");
$this->assertTrue($m1 > $f2->getModificationTime(), "I tempi di modifica dei file non corrispondono!");
}
