35 lines
699 B
Go
35 lines
699 B
Go
|
// Copyright 2009 The Go Authors. All rights reserved.
|
||
|
// Use of this source code is governed by a BSD-style
|
||
|
// license that can be found in the LICENSE file.
|
||
|
|
||
|
package net
|
||
|
|
||
|
import (
|
||
|
"fmt"
|
||
|
"testing"
|
||
|
)
|
||
|
|
||
|
func TestDNSThreadLimit(t *testing.T) {
|
||
|
if testing.Short() || !*testExternal {
|
||
|
t.Skip("skipping test to avoid external network")
|
||
|
}
|
||
|
|
||
|
const N = 10000
|
||
|
c := make(chan int, N)
|
||
|
for i := 0; i < N; i++ {
|
||
|
go func(i int) {
|
||
|
LookupIP(fmt.Sprintf("%d.net-test.golang.org", i))
|
||
|
c <- 1
|
||
|
}(i)
|
||
|
}
|
||
|
// Don't bother waiting for the stragglers; stop at 0.9 N.
|
||
|
for i := 0; i < N*9/10; i++ {
|
||
|
if i%100 == 0 {
|
||
|
//println("TestDNSThreadLimit:", i)
|
||
|
}
|
||
|
<-c
|
||
|
}
|
||
|
|
||
|
// If we're still here, it worked.
|
||
|
}
|