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package main
import (
"testing"
)
func TestScanStyleTokens(t *testing.T) {
data := []byte(" \t'hello'world")
advance, token, err := ScanStyleTokens(data, false)
if err != nil || advance != 9 || string(token) != "'hello'" {
t.Error(err, string(token), advance)
}
advance0, token0, err0 := ScanStyleTokens(data[advance:], false)
if err0 != nil || advance0 != 0 || token0 != nil {
t.Error(err0, string(token0), advance0)
}
advance1, token1, err1 := ScanStyleTokens(data[advance:], true)
if err1 != nil || advance1 != 5 || string(token1) != "world" {
t.Error(err1, string(token1), advance1)
}
}
func TestScanStyleTokens_comment(t *testing.T) {
data := []byte("%comment\nfoo bar")
adv, tok, err := ScanStyleTokens(data, false)
if err != nil || string(tok) != "foo" || adv != 12 {
t.Error(err, string(tok), adv)
}
data0 := []byte("\n%c\n\n%c\nfoo%c\nbar")
adv0, tok0, err0 := ScanStyleTokens(data0, false)
if err0 != nil || string(tok0) != "foo" || adv0 != 11 {
t.Error(err0, string(tok0), adv0)
}
adv1, tok1, err1 := ScanStyleTokens(data0[adv0:], true)
if err1 != nil || string(tok1) != "bar" || adv1 != 6 {
t.Error(err1, string(tok1), adv1)
}
}
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