summaryrefslogtreecommitdiffhomepage
path: root/helper_test.go
diff options
context:
space:
mode:
authorFilippo Valsorda <hi@filippo.io>2018-05-20 23:12:55 -0400
committerJason A. Donenfeld <Jason@zx2c4.com>2018-05-21 20:20:13 +0200
commit7bdc5eb54ed7ac45016e6e028913f1594471a074 (patch)
treeb53aaf5d0bb00cf84c6ea65e72510298c760c7f2 /helper_test.go
parent1c666576d584fd827dfcefdbabe797f391487624 (diff)
Properly close DummyTUN to avoid deadlock in TestNoiseHandshake
License: MIT Signed-off-by: Filippo Valsorda <valsorda@google.com>
Diffstat (limited to 'helper_test.go')
-rw-r--r--helper_test.go9
1 files changed, 8 insertions, 1 deletions
diff --git a/helper_test.go b/helper_test.go
index c72e868..b7c9c6c 100644
--- a/helper_test.go
+++ b/helper_test.go
@@ -8,6 +8,7 @@ package main
import (
"bytes"
+ "errors"
"os"
"testing"
)
@@ -40,6 +41,8 @@ func (tun *DummyTUN) Write(d []byte, offset int) (int, error) {
}
func (tun *DummyTUN) Close() error {
+ close(tun.events)
+ close(tun.packets)
return nil
}
@@ -48,7 +51,10 @@ func (tun *DummyTUN) Events() chan TUNEvent {
}
func (tun *DummyTUN) Read(d []byte, offset int) (int, error) {
- t := <-tun.packets
+ t, ok := <-tun.packets
+ if !ok {
+ return 0, errors.New("device closed")
+ }
copy(d[offset:], t)
return len(t), nil
}
@@ -57,6 +63,7 @@ func CreateDummyTUN(name string) (TUNDevice, error) {
var dummy DummyTUN
dummy.mtu = 0
dummy.packets = make(chan []byte, 100)
+ dummy.events = make(chan TUNEvent, 10)
return &dummy, nil
}