commit 25b94879100ca5416a10c7285e3195d2691e4faf Author: David Fifield <da...@bamsoftware.com> Date: Tue Nov 26 22:46:12 2013 -0800
Add tests for extOrPortSendUserAddr. --- pt_test.go | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/pt_test.go b/pt_test.go index 1201e8a..cd9c280 100644 --- a/pt_test.go +++ b/pt_test.go @@ -2,6 +2,7 @@ package pt import ( "bytes" + "encoding/binary" "fmt" "io/ioutil" "net" @@ -431,3 +432,41 @@ func TestExtOrSendCommand(t *testing.T) { } } } + +func TestExtOrSendUserAddr(t *testing.T) { + addrs := [...]net.TCPAddr{ + net.TCPAddr{IP: net.ParseIP("0.0.0.0"), Port: 0}, + net.TCPAddr{IP: net.ParseIP("1.2.3.4"), Port: 9999}, + net.TCPAddr{IP: net.ParseIP("255.255.255.255"), Port: 65535}, + net.TCPAddr{IP: net.ParseIP("::"), Port: 0}, + net.TCPAddr{IP: net.ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"), Port: 65535}, + } + + for _, addr := range addrs { + var buf bytes.Buffer + err := extOrPortSendUserAddr(&buf, &addr) + if err != nil { + t.Errorf("%s unexpectedly returned an error: %s", addr, err) + } + var cmd, length uint16 + binary.Read(&buf, binary.BigEndian, &cmd) + if cmd != extOrCmdUserAddr { + t.Errorf("%s â cmd 0x%04x (expected 0x%04x)", addr, cmd, extOrCmdUserAddr) + } + binary.Read(&buf, binary.BigEndian, &length) + p := make([]byte, length+1) + n, err := buf.Read(p) + if n != int(length) { + t.Errorf("%s said length %d but had at least %d", addr, length, n) + } + // test that parsing the address gives something equivalent to + // the original. + outputAddr, err := resolveAddr(string(p)) + if err != nil { + t.Fatal(err) + } + if !tcpAddrsEqual(&addr, outputAddr) { + t.Errorf("%s â %s", addr, outputAddr) + } + } +}
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