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packet_pool_test.go
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86 lines (80 loc) · 5.6 KB
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package astits
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestHasDiscontinuity(t *testing.T) {
assert.False(t, hasDiscontinuity([]*Packet{{Header: PacketHeader{ContinuityCounter: 15}}}, &Packet{Header: PacketHeader{ContinuityCounter: 0, HasPayload: true}}))
assert.False(t, hasDiscontinuity([]*Packet{{Header: PacketHeader{ContinuityCounter: 15}}}, &Packet{Header: PacketHeader{ContinuityCounter: 15}}))
assert.False(t, hasDiscontinuity([]*Packet{{Header: PacketHeader{ContinuityCounter: 15}}}, &Packet{AdaptationField: &PacketAdaptationField{DiscontinuityIndicator: true}, Header: PacketHeader{ContinuityCounter: 0, HasAdaptationField: true, HasPayload: true}}))
assert.False(t, hasDiscontinuity([]*Packet{{Header: PacketHeader{ContinuityCounter: 15}}}, &Packet{Header: PacketHeader{PID: PIDNull}}))
assert.False(t, hasDiscontinuity([]*Packet{}, &Packet{Header: PacketHeader{ContinuityCounter: 5}}))
assert.True(t, hasDiscontinuity([]*Packet{{Header: PacketHeader{ContinuityCounter: 15}}}, &Packet{Header: PacketHeader{ContinuityCounter: 1, HasPayload: true}}))
assert.True(t, hasDiscontinuity([]*Packet{{Header: PacketHeader{ContinuityCounter: 15}}}, &Packet{Header: PacketHeader{ContinuityCounter: 0}}))
}
func TestIsSameAsPrevious(t *testing.T) {
assert.False(t, isSameAsPrevious([]*Packet{{Header: PacketHeader{ContinuityCounter: 1}}}, &Packet{Header: PacketHeader{ContinuityCounter: 1}}))
assert.False(t, isSameAsPrevious([]*Packet{{Header: PacketHeader{ContinuityCounter: 1}}}, &Packet{Header: PacketHeader{ContinuityCounter: 2, HasPayload: true}}))
assert.True(t, isSameAsPrevious([]*Packet{{Header: PacketHeader{ContinuityCounter: 1}}}, &Packet{Header: PacketHeader{ContinuityCounter: 1, HasPayload: true}}))
}
func TestPacketPool(t *testing.T) {
b := newPacketPool(nil)
ps := b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 0, HasPayload: true, PID: 1}})
assert.Len(t, ps, 0)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 1, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1}})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 1, HasPayload: true, PayloadUnitStartIndicator: true, PID: 2}})
assert.Len(t, ps, 0)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 2, HasPayload: true, PID: 1}})
assert.Len(t, ps, 0)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 3, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1}})
assert.Len(t, ps, 2)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 5, HasPayload: true, PID: 1}})
assert.Len(t, ps, 0)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 6, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1}})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 7, HasPayload: true, PID: 1}})
assert.Len(t, ps, 0)
ps = b.dumpUnlocked()
assert.Len(t, ps, 2)
assert.Equal(t, uint16(1), ps[0].Header.PID)
ps = b.dumpUnlocked()
assert.Len(t, ps, 1)
assert.Equal(t, uint16(2), ps[0].Header.PID)
ps = b.dumpUnlocked()
assert.Len(t, ps, 0)
}
func TestPacketPoolWithRarePackets(t *testing.T) {
payloadDVBTeletext := hexToBytes(`000001bd00b2848024293c972af5ffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffff10032cf5e4a8a80b0ba80ba80b2692
040404040404040404040404040404040404040404040404040404040404
0404032cd5e4a8a85757a8a8a80b26a80404040404040404040404040404
040404040404040404040404040404040404ff2cffffffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffff`)
b := newPacketPool(nil)
ps := b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 0, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 1, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 2, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 3, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 3, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 4, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 6, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 7, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 7, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 9, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.addUnlocked(&Packet{Header: PacketHeader{ContinuityCounter: 10, HasPayload: true, PayloadUnitStartIndicator: true, PID: 1004}, Payload: payloadDVBTeletext})
assert.Len(t, ps, 1)
ps = b.dumpUnlocked()
assert.Len(t, ps, 0)
}