}
	if buf.Len() != 0 {
		t.Errorf("unexpected Fprint output:\n%s", buf.Bytes())
	}
}

// TestEmptyDecl tests that empty decls for const, var, import are printed with
// valid syntax e.g "var ()" instead of just "var", which is invalid and cannot
// be parsed.
func TestEmptyDecl(t *testing.T) { // issue 63566
	for _, tok := range []token.Token{token.IMPORT, token.CONST, token.TYPE, token.VAR} {