51 lines
977 B
Go
51 lines
977 B
Go
package blobovnicza
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestSizes(t *testing.T) {
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for _, item := range []struct {
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sz uint64 // object size
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upperBound uint64 // upper bound of expected range
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}{
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{
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sz: 0,
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upperBound: firstBucketBound,
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},
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{
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sz: firstBucketBound,
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upperBound: firstBucketBound,
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},
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{
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sz: firstBucketBound + 1,
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upperBound: 2 * firstBucketBound,
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},
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{
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sz: 2 * firstBucketBound,
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upperBound: 2 * firstBucketBound,
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},
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{
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sz: 2*firstBucketBound + 1,
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upperBound: 4 * firstBucketBound,
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},
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} {
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key := bucketForSize(item.sz)
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require.Equal(t, bucketKeyFromBounds(item.upperBound), key)
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}
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}
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func BenchmarkUpperBound(b *testing.B) {
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for _, size := range []uint64{1, 1023, 65 * 1024, 40 * 1024 * 1024} {
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b.Run(fmt.Sprintf("size=%d", size), func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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_ = upperPowerOfTwo(size)
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}
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})
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}
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}
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