av/protocol/rtcp/parse_test.go

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2022-05-31 08:17:06 +03:00
/*
NAME
parse_test.go
DESCRIPTION
parse_test.go provides testing utilities for functionality found in parse.go.
AUTHORS
Saxon A. Nelson-Milton <saxon@ausocean.org>
LICENSE
This is Copyright (C) 2019 the Australian Ocean Lab (AusOcean)
It is free software: you can redistribute it and/or modify them
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
in gpl.txt. If not, see http://www.gnu.org/licenses.
*/
package rtcp
import (
"testing"
)
// TestTimestamp checks that Timestamp correctly returns the most signicicant
// word, and least signiciant word, of a receiver report timestamp.
func TestTimestamp(t *testing.T) {
const expectedMSW = 2209003992
const expectedLSW = 1956821460
report := []byte{
0x80, 0xc8, 0x00, 0x06,
0x6f, 0xad, 0x40, 0xc6,
0x83, 0xaa, 0xb9, 0xd8, // Most significant word of timestamp (2209003992)
0x74, 0xa2, 0xb9, 0xd4, // Least significant word of timestamp (1956821460)
0x4b, 0x1c, 0x5a, 0xa5,
0x00, 0x00, 0x00, 0x66,
0x00, 0x01, 0xc2, 0xc5,
}
ts, err := ParseTimestamp(report)
if err != nil {
t.Fatalf("did not expect error: %v", err)
}
if ts.Seconds != expectedMSW {
t.Errorf("most significant word of timestamp is not what's expected. \nGot: %v\n Want: %v\n", ts.Seconds, int64(expectedMSW))
}
if ts.Fraction != expectedLSW {
t.Errorf("least significant word of timestamp is not what's expected. \nGot: %v\n Want: %v\n", ts.Fraction, int64(expectedLSW))
}
}