48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
package pool
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import (
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"math/rand"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestAllocGet(t *testing.T) {
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alloc := NewAllocator()
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assert.Nil(t, alloc.Get(0))
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assert.Equal(t, 1, len(alloc.Get(1)))
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assert.Equal(t, 2, len(alloc.Get(2)))
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assert.Equal(t, 3, len(alloc.Get(3)))
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assert.Equal(t, 4, cap(alloc.Get(3)))
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assert.Equal(t, 4, cap(alloc.Get(4)))
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assert.Equal(t, 1023, len(alloc.Get(1023)))
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assert.Equal(t, 1024, cap(alloc.Get(1023)))
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assert.Equal(t, 1024, len(alloc.Get(1024)))
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assert.Equal(t, 65536, len(alloc.Get(65536)))
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assert.Nil(t, alloc.Get(65537))
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}
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func TestAllocPut(t *testing.T) {
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alloc := NewAllocator()
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assert.NotNil(t, alloc.Put(nil), "put nil misbehavior")
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assert.NotNil(t, alloc.Put(make([]byte, 3, 3)), "put elem:3 []bytes misbehavior")
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assert.Nil(t, alloc.Put(make([]byte, 4, 4)), "put elem:4 []bytes misbehavior")
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assert.Nil(t, alloc.Put(make([]byte, 1023, 1024)), "put elem:1024 []bytes misbehavior")
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assert.Nil(t, alloc.Put(make([]byte, 65536, 65536)), "put elem:65536 []bytes misbehavior")
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assert.NotNil(t, alloc.Put(make([]byte, 65537, 65537)), "put elem:65537 []bytes misbehavior")
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}
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func TestAllocPutThenGet(t *testing.T) {
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alloc := NewAllocator()
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data := alloc.Get(4)
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alloc.Put(data)
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newData := alloc.Get(4)
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assert.Equal(t, cap(data), cap(newData), "different cap while alloc.Get()")
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}
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func BenchmarkMSB(b *testing.B) {
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for i := 0; i < b.N; i++ {
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msb(rand.Int())
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}
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}
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