104 lines
2.5 KiB
Go
104 lines
2.5 KiB
Go
// Copyright 2021 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package testutil
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import (
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"testing"
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"gvisor.dev/gvisor/pkg/tcpip"
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)
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// Who tests the testutils?
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func TestMustParse4(t *testing.T) {
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tcs := []struct {
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str string
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addr tcpip.Address
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shouldPanic bool
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}{
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{
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str: "127.0.0.1",
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addr: "\x7f\x00\x00\x01",
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}, {
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str: "",
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shouldPanic: true,
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}, {
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str: "fe80::1",
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shouldPanic: true,
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}, {
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// In an ideal world this panics too, but net.IP
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// doesn't distinguish between IPv4 and IPv4-mapped
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// addresses.
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str: "::ffff:0.0.0.1",
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addr: "\x00\x00\x00\x01",
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},
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}
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for _, tc := range tcs {
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t.Run(tc.str, func(t *testing.T) {
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if tc.shouldPanic {
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defer func() {
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if r := recover(); r == nil {
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t.Errorf("panic expected, but did not occur")
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}
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}()
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}
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if got := MustParse4(tc.str); got != tc.addr {
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t.Errorf("got MustParse4(%s) = %s, want = %s", tc.str, got, tc.addr)
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}
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})
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}
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}
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func TestMustParse6(t *testing.T) {
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tcs := []struct {
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str string
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addr tcpip.Address
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shouldPanic bool
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}{
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{
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// In an ideal world this panics too, but net.IP
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// doesn't distinguish between IPv4 and IPv4-mapped
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// addresses.
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str: "127.0.0.1",
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addr: "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\x7f\x00\x00\x01",
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}, {
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str: "",
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shouldPanic: true,
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}, {
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str: "fe80::1",
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addr: "\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01",
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}, {
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str: "::ffff:0.0.0.1",
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addr: "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00\x00\x01",
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},
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}
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for _, tc := range tcs {
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t.Run(tc.str, func(t *testing.T) {
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if tc.shouldPanic {
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defer func() {
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if r := recover(); r == nil {
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t.Errorf("panic expected, but did not occur")
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}
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}()
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}
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if got := MustParse6(tc.str); got != tc.addr {
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t.Errorf("got MustParse6(%s) = %s, want = %s", tc.str, got, tc.addr)
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}
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})
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}
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}
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