av/rtmp/rtmp_test.go

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2018-08-22 09:48:38 +03:00
/*
NAME
rtmp_test.go
DESCRIPTION
See Readme.md
AUTHOR
Saxon Nelson-Milton <saxon@ausocean.org>
LICENSE
rtmp_test.go is Copyright (C) 2017 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
along with revid in gpl.txt. If not, see http://www.gnu.org/licenses.
*/
package rtmp
import (
"testing"
"unsafe"
)
const (
arrStart = 0
arrEnd = 5
arrSize = 6
inc = 3
dec = 3
)
const (
byteSize = 1
int32Size = 4
int64Size = 8
)
var (
byteArr = [arrSize]byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06}
int32Arr = [arrSize]int32{1, 2, 3, 4, 5, 6}
int64Arr = [arrSize]int64{1, 2, 3, 4, 5, 6}
errMsg = "Obtained: %v, but wanted: %v"
)
func TestIncPtr(t *testing.T) {
// Test how it deals with bytes
bytePtr := unsafe.Pointer(&byteArr[arrStart])
valueByte := *(*byte)(incPtr(bytePtr, inc, byteSize))
if valueByte != byteArr[inc] {
t.Errorf(errMsg, valueByte, byteArr[inc])
}
// Test how it deals with int32s
int32Ptr := unsafe.Pointer(&int32Arr[arrStart])
valueInt32 := *(*int32)(incPtr(int32Ptr, inc, int32Size))
if valueInt32 != int32Arr[inc] {
t.Errorf(errMsg, valueInt32, int32Arr[inc])
}
// Test how it deals with int64
int64Ptr := unsafe.Pointer(&int64Arr[arrStart])
valueInt64 := *(*int64)(incPtr(int64Ptr, inc, int64Size))
if valueInt64 != int64Arr[inc] {
t.Errorf(errMsg, valueInt64, int64Arr[inc])
}
}
func TestDecPtr(t *testing.T) {
// Test how it deals with bytes
bytePtr := unsafe.Pointer(&byteArr[arrEnd])
valueByte := *(*byte)(decPtr(bytePtr, dec, byteSize))
if valueByte != byteArr[arrEnd-dec] {
t.Errorf(errMsg, valueByte, byteArr[inc])
}
// Test how it deals with ints
int32Ptr := unsafe.Pointer(&int32Arr[arrEnd])
valueInt32 := *(*int32)(decPtr(int32Ptr, dec, int32Size))
if valueInt32 != int32Arr[arrEnd-inc] {
t.Errorf(errMsg, valueInt32, int32Arr[inc])
}
// Test how it deals with int64
int64Ptr := unsafe.Pointer(&int64Arr[arrEnd])
valueInt64 := *(*int64)(decPtr(int64Ptr, dec, int64Size))
if valueInt64 != int64Arr[arrEnd-dec] {
t.Errorf(errMsg, valueInt64, int64Arr[inc])
}
}