Files
gortsplib/pkg/rtptimedec/decoder_test.go

55 lines
1.0 KiB
Go

package rtptimedec
import (
"testing"
"time"
"github.com/stretchr/testify/require"
)
func TestOverflow(t *testing.T) {
d := New(90000)
i := uint32(4294877296)
pts := d.Decode(i)
require.Equal(t, time.Duration(0), pts)
// 1st overflow
i += 90000 * 2
pts = d.Decode(i)
require.Equal(t, 2*time.Second, pts)
// reach 4294890000 slowly
for ; i < 4294890000; i += 90000 * 10 {
pts = d.Decode(i)
require.Equal(t, 2*time.Second+time.Second*time.Duration(i-90000)/90000, pts)
}
// 2nd overflow
i += 90000 * 10
pts = d.Decode(i)
require.Equal(t, 47732*time.Second, pts)
}
func TestOverflowAndBack(t *testing.T) {
d := New(90000)
pts := d.Decode(4294877296)
require.Equal(t, time.Duration(0), pts)
pts = d.Decode(90000)
require.Equal(t, 2*time.Second, pts)
pts = d.Decode(4294877296)
require.Equal(t, time.Duration(0), pts)
pts = d.Decode(4294877296 - 90000)
require.Equal(t, -1*time.Second, pts)
pts = d.Decode(4294877296)
require.Equal(t, time.Duration(0), pts)
pts = d.Decode(90000)
require.Equal(t, 2*time.Second, pts)
}