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package patricia
import (
"fmt"
"net"
"testing"
"github.com/stretchr/testify/assert"
)
func TestNewIPv4Address(t *testing.T) {
// 4 byte format
sut := NewIPv4Address(uint32(0x01234567), 7)
assert.Equal(t, uint32(0x01234567), sut.Address)
assert.Equal(t, uint(7), sut.Length)
assert.Equal(t, "1.35.69.103/7", sut.String())
assert.Equal(t, "1.35.69.103/7", (&sut).String())
//nolint
assert.Equal(t, "1.35.69.103/7", fmt.Sprintf("%s", sut))
//nolint
assert.Equal(t, "1.35.69.103/7", fmt.Sprintf("%s", &sut))
}
func TestNewIPv4AddressFromBytes(t *testing.T) {
// 4-byte format - from bytes
sut := NewIPv4AddressFromBytes([]byte{3, 4, 5, 6}, 31)
assert.Equal(t, uint32(0x03040506), sut.Address)
assert.Equal(t, uint(31), sut.Length)
// 16-byte format - from net.IPV4
sut = NewIPv4AddressFromBytes(net.IPv4(3, 4, 5, 6), 31)
assert.Equal(t, uint32(0x03040506), sut.Address)
assert.Equal(t, uint(31), sut.Length)
// 16-byte format - directly from bytes
sut = NewIPv4AddressFromBytes([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 3, 4, 5, 6}, 31)
assert.Equal(t, uint32(0x03040506), sut.Address)
assert.Equal(t, uint(31), sut.Length)
// 3-byte invalid format - directly from bytes
sut = NewIPv4AddressFromBytes([]byte{4, 5, 6}, 31)
assert.Equal(t, uint32(0), sut.Address)
assert.Equal(t, uint(0), sut.Length)
// 17-byte invalid format - directly from bytes
sut = NewIPv4AddressFromBytes([]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 3, 4, 5, 6}, 31)
assert.Equal(t, uint32(0), sut.Address)
assert.Equal(t, uint(0), sut.Length)
}
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