lotus/storage/sector_utils_test.go

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package storage
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import (
"testing"
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"github.com/stretchr/testify/assert"
"github.com/filecoin-project/lotus/lib/sectorbuilder"
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)
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func testFill(t *testing.T, n uint64, exp []uint64) {
f, err := fillersFromRem(n)
assert.NoError(t, err)
assert.Equal(t, exp, f)
var sum uint64
for _, u := range f {
sum += u
}
assert.Equal(t, n, sum)
}
func TestFillersFromRem(t *testing.T) {
for i := 8; i < 32; i++ {
// single
ub := sectorbuilder.UserBytesForSectorSize(uint64(1) << i)
testFill(t, ub, []uint64{ub})
// 2
ub = sectorbuilder.UserBytesForSectorSize(uint64(5) << i)
ub1 := sectorbuilder.UserBytesForSectorSize(uint64(1) << i)
ub3 := sectorbuilder.UserBytesForSectorSize(uint64(4) << i)
testFill(t, ub, []uint64{ub1, ub3})
// 4
ub = sectorbuilder.UserBytesForSectorSize(uint64(15) << i)
ub2 := sectorbuilder.UserBytesForSectorSize(uint64(2) << i)
ub4 := sectorbuilder.UserBytesForSectorSize(uint64(8) << i)
testFill(t, ub, []uint64{ub1, ub2, ub3, ub4})
// different 2
ub = sectorbuilder.UserBytesForSectorSize(uint64(9) << i)
testFill(t, ub, []uint64{ub1, ub4})
}
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}