func (x *Xs) Scan(state ScanState, verb int) os.Error {
var tok string
var c int
var err os.Error
wid, present := state.Width()
if !present {
tok, err = state.Token()
} else {
for i := 0; i < wid; i++ {
c, err = state.GetRune()
if err != nil {
break
}
tok += string(c)
}
}
if err != nil {
return err
}
if !testing.MustCompile("^" + string(verb) + "+$").MatchString(tok) {
return os.ErrorString("syntax error for xs")
}
*x = Xs(tok)
return nil
}
func TestScanOverflow(t *testing.T) {
// different machines and different types report errors with different strings.
re := testing.MustCompile("overflow|too large|out of range|not representable")
for _, test := range overflowTests {
_, err := Sscan(test.text, test.in)
if err == nil {
t.Errorf("expected overflow scanning %q", test.text)
continue
}
if !re.MatchString(err.String()) {
t.Errorf("expected overflow error scanning %q: %s", test.text, err)
}
}
}