}

// teardown - cleans up test directories.
func teardown(testResults []result) {
	for _, r := range testResults {
		os.RemoveAll(r.dir)
	}
}

// TestReadDir - test function to run various readDir() tests.
func TestReadDir(t *testing.T) {
	var testResults []result

	// Setup and capture test results for empty directory.
	testResults = append(testResults, setupTestReadDirEmpty(t)...)