46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package sealing
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import (
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"testing"
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"github.com/filecoin-project/specs-actors/actors/abi"
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"github.com/stretchr/testify/assert"
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)
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func testFill(t *testing.T, n abi.UnpaddedPieceSize, exp []abi.UnpaddedPieceSize) {
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f, err := fillersFromRem(n)
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assert.NoError(t, err)
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assert.Equal(t, exp, f)
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var sum abi.UnpaddedPieceSize
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for _, u := range f {
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sum += u
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}
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assert.Equal(t, n, sum)
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}
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func TestFillersFromRem(t *testing.T) {
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for i := 8; i < 32; i++ {
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// single
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ub := abi.PaddedPieceSize(uint64(1) << i).Unpadded()
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testFill(t, ub, []abi.UnpaddedPieceSize{ub})
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// 2
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ub = abi.PaddedPieceSize(uint64(5) << i).Unpadded()
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ub1 := abi.PaddedPieceSize(uint64(1) << i).Unpadded()
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ub3 := abi.PaddedPieceSize(uint64(4) << i).Unpadded()
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testFill(t, ub, []abi.UnpaddedPieceSize{ub1, ub3})
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// 4
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ub = abi.PaddedPieceSize(uint64(15) << i).Unpadded()
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ub2 := abi.PaddedPieceSize(uint64(2) << i).Unpadded()
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ub4 := abi.PaddedPieceSize(uint64(8) << i).Unpadded()
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testFill(t, ub, []abi.UnpaddedPieceSize{ub1, ub2, ub3, ub4})
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// different 2
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ub = abi.PaddedPieceSize(uint64(9) << i).Unpadded()
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testFill(t, ub, []abi.UnpaddedPieceSize{ub1, ub4})
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}
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}
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