if expected[i] != got[i] {
			return false
		}
	}

	// expected and got have same entries.
	return true
}

// 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) {

	// SetBase sets the position base.
	SetBase(*src.PosBase)
	// Line reports the source line number of the token.
	Line() int
	// Col reports the source column number of the token.
	Col() int
	// Close does any teardown required.
	Close()
}

// A Token is a scan token plus its string value.
// A macro is stored as a sequence of Tokens with spaces stripped.
type Token struct {
	ScanToken
	text string
}