mirror of
https://github.com/aler9/gortsplib
synced 2025-10-06 07:37:07 +08:00
60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
package rtptimedec
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func TestOverflow(t *testing.T) {
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d := New(90000)
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i := uint32(4294877296)
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secs := time.Duration(0)
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pts := d.Decode(i)
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require.Equal(t, time.Duration(0), pts)
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const stride = 150
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lim := uint32(uint64(4294967296 - (stride * 90000)))
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for n := 0; n < 100; n++ {
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// overflow
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i += 90000 * stride
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secs += stride
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pts = d.Decode(i)
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require.Equal(t, secs*time.Second, pts)
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// reach 2^32 slowly
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secs += stride
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i += 90000 * stride
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for ; i < lim; i += 90000 * stride {
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pts = d.Decode(i)
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require.Equal(t, secs*time.Second, pts)
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secs += stride
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}
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}
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}
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func TestOverflowAndBack(t *testing.T) {
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d := New(90000)
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pts := d.Decode(4294877296)
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require.Equal(t, time.Duration(0), pts)
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pts = d.Decode(90000)
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require.Equal(t, 2*time.Second, pts)
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pts = d.Decode(4294877296)
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require.Equal(t, time.Duration(0), pts)
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pts = d.Decode(4294877296 - 90000)
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require.Equal(t, -1*time.Second, pts)
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pts = d.Decode(4294877296)
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require.Equal(t, time.Duration(0), pts)
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pts = d.Decode(90000)
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require.Equal(t, 2*time.Second, pts)
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}
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