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buffer_pool_test.go
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/
buffer_pool_test.go
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package quic
import (
"github.com/quic-go/quic-go/internal/protocol"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("Buffer Pool", func() {
It("returns buffers of cap", func() {
buf1 := getPacketBuffer()
Expect(buf1.Data).To(HaveCap(protocol.MaxPacketBufferSize))
buf2 := getLargePacketBuffer()
Expect(buf2.Data).To(HaveCap(protocol.MaxLargePacketBufferSize))
})
It("releases buffers", func() {
buf1 := getPacketBuffer()
buf1.Release()
buf2 := getLargePacketBuffer()
buf2.Release()
})
It("gets the length", func() {
buf := getPacketBuffer()
buf.Data = append(buf.Data, []byte("foobar")...)
Expect(buf.Len()).To(BeEquivalentTo(6))
})
It("panics if wrong-sized buffers are passed", func() {
buf := getPacketBuffer()
buf.Data = make([]byte, 10)
Expect(func() { buf.Release() }).To(Panic())
})
It("panics if it is released twice", func() {
buf := getPacketBuffer()
buf.Release()
Expect(func() { buf.Release() }).To(Panic())
})
It("panics if it is decremented too many times", func() {
buf := getPacketBuffer()
buf.Decrement()
Expect(func() { buf.Decrement() }).To(Panic())
})
It("waits until all parts have been released", func() {
buf := getPacketBuffer()
buf.Split()
buf.Split()
// now we have 3 parts
buf.Decrement()
buf.Decrement()
buf.Decrement()
Expect(func() { buf.Decrement() }).To(Panic())
})
})