echoip/iputil/iputil_test.go

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package iputil
import (
"math/big"
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"net"
"testing"
)
func TestToDecimal(t *testing.T) {
var msb = new(big.Int)
msb, _ = msb.SetString("80000000000000000000000000000000", 16)
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var tests = []struct {
in string
out *big.Int
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}{
{"127.0.0.1", big.NewInt(2130706433)},
{"::1", big.NewInt(1)},
{"8000::", msb},
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}
for _, tt := range tests {
i := ToDecimal(net.ParseIP(tt.in))
if tt.out.Cmp(i) != 0 {
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t.Errorf("Expected %d, got %d for IP %s", tt.out, i, tt.in)
}
}
}