Function TestErrorMessageFromMisusedString

json/golang_decode_test.go:1259–1266

If people misuse the ,string modifier, the error message should be helpful, telling the user that they're doing it wrong.

(t *testing.T)

// If people misuse the ,string modifier, the error message should be
// helpful, telling the user that they're doing it wrong.
func TestErrorMessageFromMisusedString(t *testing.T) {
	for n, tt := range wrongStringTests {
		r := strings.NewReader(tt.in)
		var s WrongString
		err := NewDecoder(r).Decode(&s)
		assertErrorPresence(t, errors.New(tt.err), err, n)
	}
}

func noSpace(c rune) rune {
	if isSpace(byte(c)) { // only used for ascii