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package zipextra
import (
"math/big"
"testing"
)
func testHeader(t *testing.T, raw []byte, identifier uint16) ExtraField {
b := NewBuffer(raw)
size := len(b.Bytes()) - 4
i := b.Read16()
s := int(b.Read16())
if identifier != i {
t.Errorf("expected identifer %d, got %d", identifier, i)
}
if size != s {
t.Errorf("expected size %d, got %d", size, s)
}
return ExtraField(b.Bytes())
}
func TestParse(t *testing.T) {
extraFields := [][]byte{
NewInfoZIPNewUnix(big.NewInt(1), big.NewInt(1)).Encode(),
NewInfoZIPUnicodeComment("foobar").Encode(),
}
var extra []byte
for _, field := range extraFields {
extra = append(extra, field...)
}
fields, err := Parse(extra)
if err != nil {
t.Fatal(err)
}
if _, ok := fields[ExtraFieldUnixN]; !ok {
t.Error("expected new unix field")
}
if _, ok := fields[ExtraFieldUCom]; !ok {
t.Error("expected comment field")
}
if _, ok := fields[ExtraFieldNTFS]; ok {
t.Error("unexpected ntfs field")
}
}
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