2019-04-29 21:25:05 +00:00
|
|
|
// Copyright 2018 The gVisor Authors.
|
2018-04-27 17:37:02 +00:00
|
|
|
//
|
|
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
|
|
// you may not use this file except in compliance with the License.
|
|
|
|
// You may obtain a copy of the License at
|
|
|
|
//
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
//
|
|
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
|
|
// See the License for the specific language governing permissions and
|
|
|
|
// limitations under the License.
|
|
|
|
|
|
|
|
package p9
|
|
|
|
|
|
|
|
import (
|
|
|
|
"testing"
|
|
|
|
)
|
|
|
|
|
|
|
|
func TestVersionNumberEquivalent(t *testing.T) {
|
|
|
|
for i := uint32(0); i < 1024; i++ {
|
|
|
|
str := versionString(i)
|
|
|
|
version, ok := parseVersion(str)
|
|
|
|
if !ok {
|
|
|
|
t.Errorf("#%d: parseVersion(%q) failed, want success", i, str)
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
if i != version {
|
|
|
|
t.Errorf("#%d: got version %d, want %d", i, i, version)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestVersionStringEquivalent(t *testing.T) {
|
|
|
|
// There is one case where the version is not equivalent on purpose,
|
|
|
|
// that is 9P2000.L.Google.0. It is not equivalent because versionString
|
|
|
|
// must always return the more generic 9P2000.L for legacy servers that
|
|
|
|
// check for it. See net/9p/client.c.
|
|
|
|
str := "9P2000.L.Google.0"
|
|
|
|
version, ok := parseVersion(str)
|
|
|
|
if !ok {
|
|
|
|
t.Errorf("parseVersion(%q) failed, want success", str)
|
|
|
|
}
|
|
|
|
if got := versionString(version); got != "9P2000.L" {
|
|
|
|
t.Errorf("versionString(%d) got %q, want %q", version, got, "9P2000.L")
|
|
|
|
}
|
|
|
|
|
|
|
|
for _, test := range []struct {
|
|
|
|
versionString string
|
|
|
|
}{
|
|
|
|
{
|
|
|
|
versionString: "9P2000.L",
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P2000.L.Google.1",
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P2000.L.Google.347823894",
|
|
|
|
},
|
|
|
|
} {
|
|
|
|
version, ok := parseVersion(test.versionString)
|
|
|
|
if !ok {
|
|
|
|
t.Errorf("parseVersion(%q) failed, want success", test.versionString)
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
if got := versionString(version); got != test.versionString {
|
|
|
|
t.Errorf("versionString(%d) got %q, want %q", version, got, test.versionString)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func TestParseVersion(t *testing.T) {
|
|
|
|
for _, test := range []struct {
|
|
|
|
versionString string
|
|
|
|
expectSuccess bool
|
|
|
|
expectedVersion uint32
|
|
|
|
}{
|
|
|
|
{
|
|
|
|
versionString: "9P",
|
|
|
|
expectSuccess: false,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P.L",
|
|
|
|
expectSuccess: false,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P200.L",
|
|
|
|
expectSuccess: false,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P2000",
|
|
|
|
expectSuccess: false,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P2000.L.Google.-1",
|
|
|
|
expectSuccess: false,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P2000.L.Google.",
|
|
|
|
expectSuccess: false,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P2000.L.Google.3546343826724305832",
|
|
|
|
expectSuccess: false,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P2001.L",
|
|
|
|
expectSuccess: false,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P2000.L",
|
|
|
|
expectSuccess: true,
|
|
|
|
expectedVersion: 0,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P2000.L.Google.0",
|
|
|
|
expectSuccess: true,
|
|
|
|
expectedVersion: 0,
|
|
|
|
},
|
|
|
|
{
|
|
|
|
versionString: "9P2000.L.Google.1",
|
|
|
|
expectSuccess: true,
|
|
|
|
expectedVersion: 1,
|
|
|
|
},
|
|
|
|
} {
|
|
|
|
version, ok := parseVersion(test.versionString)
|
|
|
|
if ok != test.expectSuccess {
|
|
|
|
t.Errorf("parseVersion(%q) got (_, %v), want (_, %v)", test.versionString, ok, test.expectSuccess)
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
if !test.expectSuccess {
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
if version != test.expectedVersion {
|
|
|
|
t.Errorf("parseVersion(%q) got (%d, _), want (%d, _)", test.versionString, version, test.expectedVersion)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
func BenchmarkParseVersion(b *testing.B) {
|
|
|
|
for n := 0; n < b.N; n++ {
|
|
|
|
parseVersion("9P2000.L.Google.1")
|
|
|
|
}
|
|
|
|
}
|