34 lines
810 B
Go
34 lines
810 B
Go
package rpc
|
|
|
|
import (
|
|
"cgl.tideland.biz/asserts"
|
|
"net"
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
func addrPort(address net.Addr) string {
|
|
parts := strings.Split(address.String(), ":")
|
|
return parts[len(parts) - 1]
|
|
}
|
|
|
|
func Test_netListenerInRange(t *testing.T) {
|
|
assert := asserts.NewTestingAsserts(t, true)
|
|
|
|
// Open up port 10000 so that we take up a port
|
|
L1000, err := net.Listen("tcp", ":11000")
|
|
defer L1000.Close()
|
|
assert.Nil(err, "should be able to bind to port 10000")
|
|
|
|
if err == nil {
|
|
// Verify it selects an open port
|
|
L := netListenerInRange(11000, 11005)
|
|
assert.NotNil(L, "should have a listener")
|
|
assert.Equal(addrPort(L.Addr()), "11001", "should bind to open port")
|
|
|
|
// Returns nil if there are no open ports
|
|
L = netListenerInRange(11000, 11000)
|
|
assert.Nil(L, "should not get a listener")
|
|
}
|
|
}
|