127 lines
6.1 KiB
Go
127 lines
6.1 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ipaddr
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import (
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stdnet "net"
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"reflect"
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"testing"
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)
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//
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// Lean on the standard net lib as much as possible.
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//
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type IPMask = stdnet.IPMask
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var IPv4Mask = stdnet.IPv4Mask
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var parseIPTests = []struct {
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in string
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out IP
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}{
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{"127.0.1.2", IPv4(127, 0, 1, 2)},
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{"127.0.0.1", IPv4(127, 0, 0, 1)},
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{"127.001.002.003", IPv4(127, 1, 2, 3)},
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{"127.007.008.009", IPv4(127, 7, 8, 9)},
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{"127.010.020.030", IPv4(127, 10, 20, 30)},
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{"::ffff:127.1.2.3", IPv4(127, 1, 2, 3)},
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{"::ffff:127.001.002.003", IPv4(127, 1, 2, 3)},
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{"::ffff:127.007.008.009", IPv4(127, 7, 8, 9)},
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{"::ffff:127.010.020.030", IPv4(127, 10, 20, 30)},
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{"::ffff:7f01:0203", IPv4(127, 1, 2, 3)},
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{"0:0:0:0:0000:ffff:127.1.2.3", IPv4(127, 1, 2, 3)},
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{"0:0:0:0:000000:ffff:127.1.2.3", IPv4(127, 1, 2, 3)},
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{"0:0:0:0::ffff:127.1.2.3", IPv4(127, 1, 2, 3)},
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{"2001:4860:0:2001::68", IP{0x20, 0x01, 0x48, 0x60, 0, 0, 0x20, 0x01, 0, 0, 0, 0, 0, 0, 0x00, 0x68}},
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{"2001:4860:0000:2001:0000:0000:0000:0068", IP{0x20, 0x01, 0x48, 0x60, 0, 0, 0x20, 0x01, 0, 0, 0, 0, 0, 0, 0x00, 0x68}},
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{"-0.0.0.0", nil},
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{"0.-1.0.0", nil},
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{"0.0.-2.0", nil},
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{"0.0.0.-3", nil},
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{"127.0.0.256", nil},
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{"abc", nil},
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{"123:", nil},
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{"fe80::1%lo0", nil},
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{"fe80::1%911", nil},
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{"", nil},
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{"a1:a2:a3:a4::b1:b2:b3:b4", nil}, // Issue 6628
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//
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// NOTE: These correct failures were added for go-1.17, but are a
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// backwards-incompatible change for Terraform users, who might have
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// already written modules using leading zeroes.
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//
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//{"127.001.002.003", nil},
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//{"::ffff:127.001.002.003", nil},
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//{"123.000.000.000", nil},
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//{"1.2..4", nil},
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//{"0123.0.0.1", nil},
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}
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func TestParseIP(t *testing.T) {
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for _, tt := range parseIPTests {
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if out := ParseIP(tt.in); !reflect.DeepEqual(out, tt.out) {
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t.Errorf("ParseIP(%q) = %v, want %v", tt.in, out, tt.out)
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}
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}
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}
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var parseCIDRTests = []struct {
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in string
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ip IP
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net *IPNet
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err error
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}{
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{"135.104.0.0/32", IPv4(135, 104, 0, 0), &IPNet{IP: IPv4(135, 104, 0, 0), Mask: IPv4Mask(255, 255, 255, 255)}, nil},
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{"0.0.0.0/24", IPv4(0, 0, 0, 0), &IPNet{IP: IPv4(0, 0, 0, 0), Mask: IPv4Mask(255, 255, 255, 0)}, nil},
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{"135.104.0.0/24", IPv4(135, 104, 0, 0), &IPNet{IP: IPv4(135, 104, 0, 0), Mask: IPv4Mask(255, 255, 255, 0)}, nil},
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{"135.104.0.1/32", IPv4(135, 104, 0, 1), &IPNet{IP: IPv4(135, 104, 0, 1), Mask: IPv4Mask(255, 255, 255, 255)}, nil},
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{"135.104.0.1/24", IPv4(135, 104, 0, 1), &IPNet{IP: IPv4(135, 104, 0, 0), Mask: IPv4Mask(255, 255, 255, 0)}, nil},
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{"127.000.000.001/32", IPv4(127, 0, 0, 1), &IPNet{IP: IPv4(127, 0, 0, 1), Mask: IPv4Mask(255, 255, 255, 255)}, nil},
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{"127.007.008.009/32", IPv4(127, 7, 8, 9), &IPNet{IP: IPv4(127, 7, 8, 9), Mask: IPv4Mask(255, 255, 255, 255)}, nil},
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{"127.010.020.030/32", IPv4(127, 10, 20, 30), &IPNet{IP: IPv4(127, 10, 20, 30), Mask: IPv4Mask(255, 255, 255, 255)}, nil},
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{"::1/128", ParseIP("::1"), &IPNet{IP: ParseIP("::1"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"))}, nil},
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{"abcd:2345::/127", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe"))}, nil},
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{"abcd:2345::/65", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:8000::"))}, nil},
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{"abcd:2345::/64", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff::"))}, nil},
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{"abcd:2345::/63", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:fffe::"))}, nil},
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{"abcd:2345::/33", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:8000::"))}, nil},
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{"abcd:2345::/32", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff::"))}, nil},
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{"abcd:2344::/31", ParseIP("abcd:2344::"), &IPNet{IP: ParseIP("abcd:2344::"), Mask: IPMask(ParseIP("ffff:fffe::"))}, nil},
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{"abcd:2300::/24", ParseIP("abcd:2300::"), &IPNet{IP: ParseIP("abcd:2300::"), Mask: IPMask(ParseIP("ffff:ff00::"))}, nil},
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{"abcd:2345::/24", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2300::"), Mask: IPMask(ParseIP("ffff:ff00::"))}, nil},
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{"2001:DB8::/48", ParseIP("2001:DB8::"), &IPNet{IP: ParseIP("2001:DB8::"), Mask: IPMask(ParseIP("ffff:ffff:ffff::"))}, nil},
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{"2001:DB8::1/48", ParseIP("2001:DB8::1"), &IPNet{IP: ParseIP("2001:DB8::"), Mask: IPMask(ParseIP("ffff:ffff:ffff::"))}, nil},
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{"192.168.1.1/255.255.255.0", nil, nil, &ParseError{Type: "CIDR address", Text: "192.168.1.1/255.255.255.0"}},
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{"192.168.1.1/35", nil, nil, &ParseError{Type: "CIDR address", Text: "192.168.1.1/35"}},
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{"2001:db8::1/-1", nil, nil, &ParseError{Type: "CIDR address", Text: "2001:db8::1/-1"}},
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{"2001:db8::1/-0", nil, nil, &ParseError{Type: "CIDR address", Text: "2001:db8::1/-0"}},
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{"-0.0.0.0/32", nil, nil, &ParseError{Type: "CIDR address", Text: "-0.0.0.0/32"}},
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{"0.-1.0.0/32", nil, nil, &ParseError{Type: "CIDR address", Text: "0.-1.0.0/32"}},
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{"0.0.-2.0/32", nil, nil, &ParseError{Type: "CIDR address", Text: "0.0.-2.0/32"}},
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{"0.0.0.-3/32", nil, nil, &ParseError{Type: "CIDR address", Text: "0.0.0.-3/32"}},
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{"0.0.0.0/-0", nil, nil, &ParseError{Type: "CIDR address", Text: "0.0.0.0/-0"}},
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//
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// NOTE: Theis correct failure was added for go-1.17, but is a
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// backwards-incompatible change for Terraform users, who might have
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// already written modules using leading zeroes.
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//
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//{"127.000.000.001/32", nil, nil, &ParseError{Type: "CIDR address", Text: "127.000.000.001/32"}},
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{"", nil, nil, &ParseError{Type: "CIDR address", Text: ""}},
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}
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func TestParseCIDR(t *testing.T) {
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for _, tt := range parseCIDRTests {
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ip, net, err := ParseCIDR(tt.in)
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if !reflect.DeepEqual(err, tt.err) {
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t.Errorf("ParseCIDR(%q) = %v, %v; want %v, %v", tt.in, ip, net, tt.ip, tt.net)
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}
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if err == nil && (!tt.ip.Equal(ip) || !tt.net.IP.Equal(net.IP) || !reflect.DeepEqual(net.Mask, tt.net.Mask)) {
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t.Errorf("ParseCIDR(%q) = %v, {%v, %v}; want %v, {%v, %v}", tt.in, ip, net.IP, net.Mask, tt.ip, tt.net.IP, tt.net.Mask)
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}
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}
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}
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