mirror of
https://github.com/netbirdio/gvisor.git
synced 2026-05-22 17:12:49 -07:00
Michael Pratt
4d52a55201
Based on the guidelines at https://opensource.google.com/docs/releasing/authors/. 1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./' 2. Manual fixup of "Google Inc" references. 3. Add AUTHORS file. Authors may request to be added to this file. 4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS. Fixes #209 PiperOrigin-RevId: 245823212 Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
100 lines
2.3 KiB
Go
100 lines
2.3 KiB
Go
// Copyright 2018 The gVisor Authors.
|
|
//
|
|
// 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 interrupt
|
|
|
|
import (
|
|
"testing"
|
|
)
|
|
|
|
type countingReceiver struct {
|
|
interrupts int
|
|
}
|
|
|
|
// NotifyInterrupt implements Receiver.NotifyInterrupt.
|
|
func (r *countingReceiver) NotifyInterrupt() {
|
|
r.interrupts++
|
|
}
|
|
|
|
func TestSingleInterruptBeforeEnable(t *testing.T) {
|
|
var (
|
|
f Forwarder
|
|
r countingReceiver
|
|
)
|
|
f.NotifyInterrupt()
|
|
// The interrupt should cause the first Enable to fail.
|
|
if f.Enable(&r) {
|
|
f.Disable()
|
|
t.Fatalf("Enable: got true, wanted false")
|
|
}
|
|
// The failing Enable "acknowledges" the interrupt, allowing future Enables
|
|
// to succeed.
|
|
if !f.Enable(&r) {
|
|
t.Fatalf("Enable: got false, wanted true")
|
|
}
|
|
f.Disable()
|
|
}
|
|
|
|
func TestMultipleInterruptsBeforeEnable(t *testing.T) {
|
|
var (
|
|
f Forwarder
|
|
r countingReceiver
|
|
)
|
|
f.NotifyInterrupt()
|
|
f.NotifyInterrupt()
|
|
// The interrupts should cause the first Enable to fail.
|
|
if f.Enable(&r) {
|
|
f.Disable()
|
|
t.Fatalf("Enable: got true, wanted false")
|
|
}
|
|
// Interrupts are deduplicated while the Forwarder is disabled, so the
|
|
// failing Enable "acknowledges" all interrupts, allowing future Enables to
|
|
// succeed.
|
|
if !f.Enable(&r) {
|
|
t.Fatalf("Enable: got false, wanted true")
|
|
}
|
|
f.Disable()
|
|
}
|
|
|
|
func TestSingleInterruptAfterEnable(t *testing.T) {
|
|
var (
|
|
f Forwarder
|
|
r countingReceiver
|
|
)
|
|
if !f.Enable(&r) {
|
|
t.Fatalf("Enable: got false, wanted true")
|
|
}
|
|
defer f.Disable()
|
|
f.NotifyInterrupt()
|
|
if r.interrupts != 1 {
|
|
t.Errorf("interrupts: got %d, wanted 1", r.interrupts)
|
|
}
|
|
}
|
|
|
|
func TestMultipleInterruptsAfterEnable(t *testing.T) {
|
|
var (
|
|
f Forwarder
|
|
r countingReceiver
|
|
)
|
|
if !f.Enable(&r) {
|
|
t.Fatalf("Enable: got false, wanted true")
|
|
}
|
|
defer f.Disable()
|
|
f.NotifyInterrupt()
|
|
f.NotifyInterrupt()
|
|
if r.interrupts != 2 {
|
|
t.Errorf("interrupts: got %d, wanted 2", r.interrupts)
|
|
}
|
|
}
|