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