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Commit bed884e8 authored by Mikio Hara's avatar Mikio Hara
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net: update test cases for network interface API 

This change extends existing test case to Windows for helping to fix
golang.org/issue/5395.

Change-Id: Iff077fa98ede511981df513f48d84c19375b3e04
Reviewed-on: https://go-review.googlesource.com/3304Reviewed-by: default avatarAlex Brainman <alex.brainman@gmail.com>
parent 4aa63d49
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Inline Side-by-side
Showing with 109 additions and 51 deletions
src/net/interface_test.go
View file @ bed884e8
......@@ -6,6 +6,7 @@ package net
import (
"reflect"
"runtime"
"testing"
)
......@@ -38,10 +39,6 @@ func ipv6LinkLocalUnicastAddr(ifi *Interface) string {
}
for _, ifa := range ifat {
switch ifa := ifa.(type) {
case *IPAddr:
if ifa.IP.To4() == nil && ifa.IP.IsLinkLocalUnicast() {
return ifa.IP.String()
}
case *IPNet:
if ifa.IP.To4() == nil && ifa.IP.IsLinkLocalUnicast() {
return ifa.IP.String()
......@@ -52,104 +49,165 @@ func ipv6LinkLocalUnicastAddr(ifi *Interface) string {
}
func TestInterfaces(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("temporarily disabled until golang.org/issue/5395 is fixed")
}
ift, err := Interfaces()
if err != nil {
t.Fatalf("Interfaces failed: %v", err)
t.Fatal(err)
}
t.Logf("table: len/cap = %v/%v", len(ift), cap(ift))
var nifs, naf4, naf6, nmaf4, nmaf6 int
for _, ifi := range ift {
ifxi, err := InterfaceByIndex(ifi.Index)
if err != nil {
t.Fatalf("InterfaceByIndex(%v) failed: %v", ifi.Index, err)
t.Fatal(err)
}
if !reflect.DeepEqual(ifxi, &ifi) {
t.Fatalf("InterfaceByIndex(%v) = %v, want %v", ifi.Index, ifxi, ifi)
t.Errorf("got %v; want %v", ifxi, ifi)
}
ifxn, err := InterfaceByName(ifi.Name)
if err != nil {
t.Fatalf("InterfaceByName(%q) failed: %v", ifi.Name, err)
t.Fatal(err)
}
if !reflect.DeepEqual(ifxn, &ifi) {
t.Fatalf("InterfaceByName(%q) = %v, want %v", ifi.Name, ifxn, ifi)
t.Errorf("got %v; want %v", ifxn, ifi)
}
t.Logf("%q: flags %q, ifindex %v, mtu %v", ifi.Name, ifi.Flags.String(), ifi.Index, ifi.MTU)
t.Logf("\thardware address %q", ifi.HardwareAddr.String())
testInterfaceAddrs(t, &ifi)
testInterfaceMulticastAddrs(t, &ifi)
t.Logf("hardware address %q", ifi.HardwareAddr.String())
if ifi.Flags&FlagUp != 0 && ifi.Flags&FlagLoopback == 0 {
nifs++ // active interfaces except loopback interfaces
}
n4, n6 := testInterfaceAddrs(t, &ifi)
naf4 += n4
naf6 += n6
n4, n6 = testInterfaceMulticastAddrs(t, &ifi)
nmaf4 += n4
nmaf6 += n6
}
switch runtime.GOOS {
case "nacl", "plan9", "solaris":
default:
if supportsIPv4 && nifs > 0 && naf4 == 0 {
t.Errorf("got %v; want more than or equal to one", naf4)
}
if supportsIPv6 && nifs > 0 && naf6 == 0 {
t.Errorf("got %v; want more than or equal to one", naf6)
}
}
switch runtime.GOOS {
case "dragonfly", "nacl", "netbsd", "openbsd", "plan9", "solaris":
default:
// Unlike IPv6, IPv4 multicast capability is not a
// mandatory feature.
//if supportsIPv4 && nactvifs > 0 && nmaf4 == 0 {
// t.Errorf("got %v; want more than or equal to one", nmaf4)
//}
if supportsIPv6 && nifs > 0 && nmaf6 == 0 {
t.Errorf("got %v; want more than or equal to one", nmaf6)
}
}
}
func TestInterfaceAddrs(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip("temporarily disabled until golang.org/issue/5395 is fixed")
}
ift, err := Interfaces()
if err != nil {
t.Fatal(err)
}
var nifs int
for _, ifi := range ift {
if ifi.Flags&FlagUp != 0 && ifi.Flags&FlagLoopback == 0 {
nifs++ // active interfaces except loopback interfaces
}
}
ifat, err := InterfaceAddrs()
if err != nil {
t.Fatalf("InterfaceAddrs failed: %v", err)
t.Fatal(err)
}
naf4, naf6 := testAddrs(t, ifat)
if supportsIPv4 && nifs > 0 && naf4 == 0 {
t.Errorf("got %v; want more than or equal to one", naf4)
}
if supportsIPv6 && nifs > 0 && naf6 == 0 {
t.Errorf("got %v; want more than or equal to one", naf6)
}
t.Logf("table: len/cap = %v/%v", len(ifat), cap(ifat))
testAddrs(t, ifat)
}
func testInterfaceAddrs(t *testing.T, ifi *Interface) {
func testInterfaceAddrs(t *testing.T, ifi *Interface) (naf4, naf6 int) {
ifat, err := ifi.Addrs()
if err != nil {
t.Fatalf("Interface.Addrs failed: %v", err)
t.Fatal(err)
}
testAddrs(t, ifat)
return testAddrs(t, ifat)
}
func testInterfaceMulticastAddrs(t *testing.T, ifi *Interface) {
func testInterfaceMulticastAddrs(t *testing.T, ifi *Interface) (nmaf4, nmaf6 int) {
ifmat, err := ifi.MulticastAddrs()
if err != nil {
t.Fatalf("Interface.MulticastAddrs failed: %v", err)
t.Fatal(err)
}
testMulticastAddrs(t, ifmat)
return testMulticastAddrs(t, ifmat)
}
func testAddrs(t *testing.T, ifat []Addr) {
func testAddrs(t *testing.T, ifat []Addr) (naf4, naf6 int) {
for _, ifa := range ifat {
switch ifa := ifa.(type) {
case *IPAddr:
if ifa == nil || ifa.IP == nil {
t.Errorf("\tunexpected value: %v, %v", ifa, ifa.IP)
} else {
t.Logf("\tinterface address %q", ifa.String())
}
case *IPNet:
if ifa == nil || ifa.IP == nil || ifa.Mask == nil {
t.Errorf("\tunexpected value: %v, %v, %v", ifa, ifa.IP, ifa.Mask)
} else {
_, prefixLen := ifa.Mask.Size()
if ifa.IP.To4() != nil && prefixLen != 8*IPv4len || ifa.IP.To16() != nil && ifa.IP.To4() == nil && prefixLen != 8*IPv6len {
t.Errorf("\tunexpected value: %v, %v, %v, %v", ifa, ifa.IP, ifa.Mask, prefixLen)
} else {
t.Logf("\tinterface address %q", ifa.String())
if ifa == nil || ifa.IP == nil || ifa.IP.IsUnspecified() || ifa.IP.IsMulticast() || ifa.Mask == nil {
t.Errorf("unexpected value: %#v", ifa)
continue
}
prefixLen, maxPrefixLen := ifa.Mask.Size()
if ifa.IP.To4() != nil {
if 0 >= prefixLen || prefixLen > 8*IPv4len || maxPrefixLen != 8*IPv4len {
t.Errorf("unexpected prefix length: %v/%v", prefixLen, maxPrefixLen)
continue
}
naf4++
} else if ifa.IP.To16() != nil {
if 0 >= prefixLen || prefixLen > 8*IPv6len || maxPrefixLen != 8*IPv6len {
t.Errorf("unexpected prefix length: %v/%v", prefixLen, maxPrefixLen)
continue
}
naf6++
}
t.Logf("interface address %q", ifa.String())
default:
t.Errorf("\tunexpected type: %T", ifa)
t.Errorf("unexpected type: %T", ifa)
}
}
return
}
func testMulticastAddrs(t *testing.T, ifmat []Addr) {
func testMulticastAddrs(t *testing.T, ifmat []Addr) (nmaf4, nmaf6 int) {
for _, ifma := range ifmat {
switch ifma := ifma.(type) {
case *IPAddr:
if ifma == nil {
t.Errorf("\tunexpected value: %v", ifma)
} else {
t.Logf("\tjoined group address %q", ifma.String())
if ifma == nil || ifma.IP == nil || ifma.IP.IsUnspecified() || !ifma.IP.IsMulticast() {
t.Errorf("unexpected value: %#v", ifma)
continue
}
if ifma.IP.To4() != nil {
nmaf4++
} else if ifma.IP.To16() != nil {
nmaf6++
}
t.Logf("joined group address %q", ifma.String())
default:
t.Errorf("\tunexpected type: %T", ifma)
t.Errorf("unexpected type: %T", ifma)
}
}
return
}
func BenchmarkInterfaces(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := Interfaces(); err != nil {
b.Fatalf("Interfaces failed: %v", err)
b.Fatal(err)
}
}
}
......@@ -161,7 +219,7 @@ func BenchmarkInterfaceByIndex(b *testing.B) {
}
for i := 0; i < b.N; i++ {
if _, err := InterfaceByIndex(ifi.Index); err != nil {
b.Fatalf("InterfaceByIndex failed: %v", err)
b.Fatal(err)
}
}
}
......@@ -173,7 +231,7 @@ func BenchmarkInterfaceByName(b *testing.B) {
}
for i := 0; i < b.N; i++ {
if _, err := InterfaceByName(ifi.Name); err != nil {
b.Fatalf("InterfaceByName failed: %v", err)
b.Fatal(err)
}
}
}
......@@ -181,7 +239,7 @@ func BenchmarkInterfaceByName(b *testing.B) {
func BenchmarkInterfaceAddrs(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := InterfaceAddrs(); err != nil {
b.Fatalf("InterfaceAddrs failed: %v", err)
b.Fatal(err)
}
}
}
......@@ -193,7 +251,7 @@ func BenchmarkInterfacesAndAddrs(b *testing.B) {
}
for i := 0; i < b.N; i++ {
if _, err := ifi.Addrs(); err != nil {
b.Fatalf("Interface.Addrs failed: %v", err)
b.Fatal(err)
}
}
}
......@@ -205,7 +263,7 @@ func BenchmarkInterfacesAndMulticastAddrs(b *testing.B) {
}
for i := 0; i < b.N; i++ {
if _, err := ifi.MulticastAddrs(); err != nil {
b.Fatalf("Interface.MulticastAddrs failed: %v", err)
b.Fatal(err)
}
}
}
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