// TestFilterCLearLatest tests the MsgFilterLoad API against the latest protocol
// version.
func TestFilterLoadLatest(t *testing.T) {
pver := wire.ProtocolVersion
data := []byte{0x01, 0x02}
msg := wire.NewMsgFilterLoad(data, 10, 0, 0)
// Ensure the command is expected value.
wantCmd := "filterload"
if cmd := msg.Command(); cmd != wantCmd {
t.Errorf("NewMsgFilterLoad: wrong command - got %v want %v",
cmd, wantCmd)
}
// Ensure max payload is expected value for latest protocol version.
wantPayload := uint32(36012)
maxPayload := msg.MaxPayloadLength(pver)
if maxPayload != wantPayload {
t.Errorf("MaxPayLoadLength: wrong max payload length for "+
"protocol version %d - got %v, want %v", pver,
maxPayload, wantPayload)
}
// Test encode with latest protocol version.
var buf bytes.Buffer
err := msg.BtcEncode(&buf, pver)
if err != nil {
t.Errorf("encode of MsgFilterLoad failed %v err <%v>", msg, err)
}
// Test decode with latest protocol version.
readmsg := wire.MsgFilterLoad{}
err = readmsg.BtcDecode(&buf, pver)
if err != nil {
t.Errorf("decode of MsgFilterLoad failed [%v] err <%v>", buf, err)
}
return
}
// TestFilterLoadWireErrors performs negative tests against wire encode and decode
// of MsgFilterLoad to confirm error paths work correctly.
func TestFilterLoadWireErrors(t *testing.T) {
pver := wire.ProtocolVersion
baseFilter := []byte{0x01, 0x02, 0x03, 0x04}
baseFilterLoad := wire.NewMsgFilterLoad(baseFilter, 10, 0,
wire.BloomUpdateNone)
baseFilterLoadEncoded := append([]byte{0x04}, baseFilter...)
baseFilterLoadEncoded = append(baseFilterLoadEncoded,
0x00, 0x00, 0x00, 0x0a, // HashFuncs
0x00, 0x00, 0x00, 0x00, // Tweak
0x00) // Flags
tests := []struct {
in *wire.MsgFilterLoad // Value to encode
buf []byte // Wire encoding
pver uint32 // Protocol version for wire encoding
max int // Max size of fixed buffer to induce errors
writeErr error // Expected write error
readErr error // Expected read error
}{
// Latest protocol version with intentional read/write errors.
// Force error in filter size.
{
baseFilterLoad, baseFilterLoadEncoded, pver, 0,
io.ErrShortWrite, io.EOF,
},
// Force error in filter.
{
baseFilterLoad, baseFilterLoadEncoded, pver, 1,
io.ErrShortWrite, io.EOF,
},
// Force error in hash funcs.
{
baseFilterLoad, baseFilterLoadEncoded, pver, 5,
io.ErrShortWrite, io.EOF,
},
// Force error in tweak.
{
baseFilterLoad, baseFilterLoadEncoded, pver, 9,
io.ErrShortWrite, io.EOF,
},
// Force error in flags.
{
baseFilterLoad, baseFilterLoadEncoded, pver, 13,
io.ErrShortWrite, io.EOF,
},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
// Encode to wire format.
w := newFixedWriter(test.max)
err := test.in.BtcEncode(w, test.pver)
if reflect.TypeOf(err) != reflect.TypeOf(test.writeErr) {
t.Errorf("BtcEncode #%d wrong error got: %v, want: %v",
i, err, test.writeErr)
continue
}
// For errors which are not of type wire.MessageError, check
// them for equality.
if _, ok := err.(*wire.MessageError); !ok {
if err != test.writeErr {
t.Errorf("BtcEncode #%d wrong error got: %v, "+
"want: %v", i, err, test.writeErr)
continue
}
}
// Decode from wire format.
var msg wire.MsgFilterLoad
r := newFixedReader(test.max, test.buf)
err = msg.BtcDecode(r, test.pver)
if reflect.TypeOf(err) != reflect.TypeOf(test.readErr) {
t.Errorf("BtcDecode #%d wrong error got: %v, want: %v",
i, err, test.readErr)
continue
}
// For errors which are not of type wire.MessageError, check
// them for equality.
if _, ok := err.(*wire.MessageError); !ok {
if err != test.readErr {
t.Errorf("BtcDecode #%d wrong error got: %v, "+
"want: %v", i, err, test.readErr)
continue
}
}
}
}