public function openFileChangesAttributeTimeOnly()
{
$file = vfsStream::newFile('foo.txt')->withContent('test')->at(vfsStreamWrapper::getRoot())->lastModified(100)->lastAccessed(100)->lastAttributeModified(100);
fclose(fopen($this->fooUrl, 'rb'));
$this->assertGreaterThan(time() - 2, fileatime($this->fooUrl));
$this->assertLessThanOrEqual(time(), fileatime($this->fooUrl));
$this->assertLessThanOrEqual(100, filemtime($this->fooUrl));
$this->assertEquals(100, filectime($this->fooUrl));
$this->assertFileTimesEqualStreamTimes($this->fooUrl, $file);
}