func TestScannerErrors(t *testing.T) {
var tests = []struct {
input string
err bool
}{
{"", true},
{"0<>", false},
{"0[]", false},
{"0{}", false},
{"0{}x", true},
{"1<>", true},
{"1<a>", false},
{"26{8<greeting>11<hello world>}", false},
{"26[5<apple>6<banana>6<orange>]", false},
{"126{14<selling points>40[6<simple>7<general>17<human-sympathetic>]" +
"8<greeting>11<hello world>5<fruit>26[5<apple>6<banana>6<orange>]}",
false},
}
for _, test := range tests {
fmt.Println(test.input)
r := strings.NewReader(test.input)
s := lex.NewScanner(r)
for s.Next() {
}
if (s.Error() != nil) != test.err {
t.Errorf("lex.FromString(%q).error = %v", test.input, s.Error())
}
}
}
func Decode(s string) (Element, error) {
sc := lex.NewScanner(strings.NewReader(s))
el, err := decodeElement(sc)
if err != nil {
return nil, err
}
if sc.Next() {
panic("Huh?")
}
if err = sc.Error(); err != nil {
return nil, err
}
return el, err
}