function FileDeleteTest::testUnused in Drupal 7
Tries deleting a normal file (as opposed to a directory, symlink, etc).
File
- modules/simpletest/ tests/ file.test, line 1707 
- This provides SimpleTests for the core file handling functionality. These include FileValidateTest and FileSaveTest.
Class
- FileDeleteTest
- Deletion related tests.
Code
function testUnused() {
  $file = $this
    ->createFile();
  // Check that deletion removes the file and database record.
  $this
    ->assertTrue(is_file($file->uri), 'File exists.');
  $this
    ->assertIdentical(file_delete($file), TRUE, 'Delete worked.');
  $this
    ->assertFileHooksCalled(array(
    'delete',
  ));
  $this
    ->assertFalse(file_exists($file->uri), 'Test file has actually been deleted.');
  $this
    ->assertFalse(file_load($file->fid), 'File was removed from the database.');
}