github.com/tumi8/quic-go@v0.37.4-tum/noninternal/utils/ringbuffer/ringbuffer_test.go (about)

     1  package ringbuffer
     2  
     3  import (
     4  	. "github.com/onsi/ginkgo/v2"
     5  	. "github.com/onsi/gomega"
     6  )
     7  
     8  var _ = Describe("RingBuffer", func() {
     9  	It("push and pop", func() {
    10  		r := RingBuffer[int]{}
    11  		Expect(len(r.ring)).To(Equal(0))
    12  		Expect(func() { r.PopFront() }).To(Panic())
    13  		r.PushBack(1)
    14  		r.PushBack(2)
    15  		r.PushBack(3)
    16  		Expect(r.PopFront()).To(Equal(1))
    17  		Expect(r.PopFront()).To(Equal(2))
    18  		r.PushBack(4)
    19  		r.PushBack(5)
    20  		Expect(r.Len()).To(Equal(3))
    21  		r.PushBack(6)
    22  		Expect(r.Len()).To(Equal(4))
    23  		Expect(r.PopFront()).To(Equal(3))
    24  		Expect(r.PopFront()).To(Equal(4))
    25  		Expect(r.PopFront()).To(Equal(5))
    26  		Expect(r.PopFront()).To(Equal(6))
    27  	})
    28  	It("clear", func() {
    29  		r := RingBuffer[int]{}
    30  		r.Init(2)
    31  		r.PushBack(1)
    32  		r.PushBack(2)
    33  		Expect(r.full).To(BeTrue())
    34  		r.Clear()
    35  		Expect(r.full).To(BeFalse())
    36  		Expect(r.Len()).To(Equal(0))
    37  	})
    38  })