1 package iobufpool
2
3 import (
4 "testing"
5
6 "github.com/stretchr/testify/assert"
7 )
8
9 func TestPoolIdx(t *testing.T) {
10 tests := []struct {
11 size int
12 expected int
13 }{
14 {size: 0, expected: 0},
15 {size: 1, expected: 0},
16 {size: 255, expected: 0},
17 {size: 256, expected: 0},
18 {size: 257, expected: 1},
19 {size: 511, expected: 1},
20 {size: 512, expected: 1},
21 {size: 513, expected: 2},
22 {size: 1023, expected: 2},
23 {size: 1024, expected: 2},
24 {size: 1025, expected: 3},
25 {size: 2047, expected: 3},
26 {size: 2048, expected: 3},
27 {size: 2049, expected: 4},
28 {size: 8388607, expected: 15},
29 {size: 8388608, expected: 15},
30 {size: 8388609, expected: 16},
31 }
32 for _, tt := range tests {
33 idx := getPoolIdx(tt.size)
34 assert.Equalf(t, tt.expected, idx, "size: %d", tt.size)
35 }
36 }
37
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