mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-25 04:47:18 +00:00
318 lines
8.6 KiB
Go
318 lines
8.6 KiB
Go
package ssz
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import (
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"bytes"
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"encoding/hex"
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"fmt"
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"strings"
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"testing"
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)
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type encTest struct {
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val interface{}
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output, error string
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}
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type encSizeTest struct {
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val interface{}
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size uint32
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error string
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}
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// Notice: spaces in the output string will be ignored.
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var encodeTests = []encTest{
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// boolean
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{val: false, output: "00"},
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{val: true, output: "01"},
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// uint8
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{val: uint8(0), output: "00"},
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{val: uint8(1), output: "01"},
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{val: uint8(16), output: "10"},
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{val: uint8(128), output: "80"},
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{val: uint8(255), output: "FF"},
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// uint16
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{val: uint16(0), output: "0000"},
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{val: uint16(1), output: "0100"},
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{val: uint16(16), output: "1000"},
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{val: uint16(128), output: "8000"},
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{val: uint16(255), output: "FF00"},
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{val: uint16(65535), output: "FFFF"},
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// uint32
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{val: uint32(0), output: "00000000"},
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{val: uint32(1), output: "01000000"},
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{val: uint32(16), output: "10000000"},
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{val: uint32(128), output: "80000000"},
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{val: uint32(255), output: "FF000000"},
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{val: uint32(65535), output: "FFFF0000"},
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{val: uint32(4294967295), output: "FFFFFFFF"},
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// uint64
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{val: uint64(0), output: "0000000000000000"},
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{val: uint64(1), output: "0100000000000000"},
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{val: uint64(16), output: "1000000000000000"},
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{val: uint64(128), output: "8000000000000000"},
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{val: uint64(255), output: "FF00000000000000"},
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{val: uint64(65535), output: "FFFF000000000000"},
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{val: uint64(4294967295), output: "FFFFFFFF00000000"},
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{val: uint64(18446744073709551615), output: "FFFFFFFFFFFFFFFF"},
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// bytes
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{val: []byte{}, output: "00000000"},
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{val: []byte{1}, output: "01000000 01"},
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{val: []byte{1, 2, 3, 4, 5, 6}, output: "06000000 010203040506"},
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// slice
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{val: []uint16{}, output: "00000000"},
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{val: []uint16{1}, output: "02000000 0100"},
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{val: []uint16{1, 2}, output: "04000000 0100 0200"},
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{val: [][]uint16{
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{1, 2, 3, 4},
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{5, 6, 7, 8},
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}, output: "18000000 08000000 0100 0200 0300 0400 08000000 0500 0600 0700 0800"},
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// array
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{val: [1]byte{1}, output: "01000000 01"},
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{val: [6]byte{1, 2, 3, 4, 5, 6}, output: "06000000 010203040506"},
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{val: [1]uint16{1}, output: "02000000 0100"},
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{val: [2]uint16{1, 2}, output: "04000000 0100 0200"},
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{val: [2][4]uint16{
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{1, 2, 3, 4},
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{5, 6, 7, 8},
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}, output: "18000000 08000000 0100 0200 0300 0400 08000000 0500 0600 0700 0800"},
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// struct
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{val: simpleStruct{}, output: "03000000 00 0000"},
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{val: simpleStruct{B: 2, A: 1}, output: "03000000 0200 01"},
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{val: outerStruct{
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V: 3,
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SubV: innerStruct{V: 6},
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}, output: "07000000 03 02000000 0600"},
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// slice + struct
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{val: arrayStruct{
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V: []simpleStruct{
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{B: 2, A: 1},
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{B: 4, A: 3},
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},
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}, output: "12000000 0E000000 03000000 020001 03000000 040003"},
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{val: []outerStruct{
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{V: 3, SubV: innerStruct{V: 6}},
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{V: 5, SubV: innerStruct{V: 7}},
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}, output: "16000000 07000000 03 02000000 0600 07000000 05 02000000 0700"},
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// pointer
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{val: &simpleStruct{B: 2, A: 1}, output: "03000000 0200 01"},
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{val: pointerStruct{P: &simpleStruct{B: 2, A: 1}, V: 3}, output: "08000000 03000000 0200 01 03"},
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{val: &pointerStruct{P: &simpleStruct{B: 2, A: 1}, V: 3}, output: "08000000 03000000 0200 01 03"},
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{val: &[]uint8{1, 2, 3, 4}, output: "04000000 01020304"},
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{val: &[]uint64{1, 2}, output: "10000000 0100000000000000 0200000000000000"},
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{val: []*simpleStruct{
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{B: 2, A: 1},
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{B: 4, A: 3},
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}, output: "0E000000 03000000 0200 01 03000000 0400 03"},
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{val: [2]*simpleStruct{
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{B: 2, A: 1},
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{B: 4, A: 3},
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}, output: "0E000000 03000000 0200 01 03000000 0400 03"},
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{val: []*pointerStruct{
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{P: &simpleStruct{B: 2, A: 1}, V: 0},
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{P: &simpleStruct{B: 4, A: 3}, V: 1},
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}, output: "18000000 08000000 03000000 0200 01 00 08000000 03000000 0400 03 01"},
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// error: nil pointer
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{val: nil, error: "encode error: nil is not supported for input type <nil>"},
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{val: (*[]uint8)(nil), error: "encode error: nil is not supported for input type *[]uint8"},
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{val: pointerStruct{P: nil, V: 0}, error: "encode error: failed to encode field of struct: nil is not supported for input type ssz.pointerStruct"},
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// error: unsupported type
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{val: string("abc"), error: "encode error: type string is not serializable for input type string"},
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}
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var encodeSizeTests = []encSizeTest{
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// boolean
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{val: false, size: 1},
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// uint8
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{val: uint8(0), size: 1},
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{val: uint8(255), size: 1},
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// uint16
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{val: uint16(0), size: 2},
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{val: uint16(65535), size: 2},
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// uint32
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{val: uint32(0), size: 4},
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{val: uint32(65535), size: 4},
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// uint64
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{val: uint64(0), size: 8},
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{val: uint64(65535), size: 8},
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// bytes
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{val: []byte{}, size: 4},
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{val: []byte{1}, size: 5},
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{val: []byte{1, 2, 3, 4, 5, 6}, size: 10},
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// slice
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{val: []uint16{}, size: 4},
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{val: []uint16{1}, size: 6},
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{val: []uint16{1, 2}, size: 8},
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{val: [][]uint16{
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{1, 2, 3, 4},
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{5, 6, 7, 8},
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}, size: 28},
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// array
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{val: [1]byte{1}, size: 5},
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{val: [6]byte{1, 2, 3, 4, 5, 6}, size: 10},
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{val: [1]uint16{1}, size: 6},
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{val: [2]uint16{1, 2}, size: 8},
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{val: [2][4]uint16{
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{1, 2, 3, 4},
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{5, 6, 7, 8},
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}, size: 28},
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// struct
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{val: simpleStruct{}, size: 7},
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{val: simpleStruct{B: 2, A: 1}, size: 7},
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{val: outerStruct{
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V: 3,
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SubV: innerStruct{V: 6},
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}, size: 11},
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// slice + struct
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{val: arrayStruct{
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V: []simpleStruct{
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{B: 2, A: 1},
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{B: 4, A: 3},
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},
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}, size: 22},
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{val: []outerStruct{
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{V: 3, SubV: innerStruct{V: 6}},
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{V: 5, SubV: innerStruct{V: 7}},
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}, size: 26},
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// pointer
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{val: &simpleStruct{B: 2, A: 1}, size: 7},
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{val: pointerStruct{P: &simpleStruct{B: 2, A: 1}, V: 3}, size: 12},
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{val: &pointerStruct{P: &simpleStruct{B: 2, A: 1}, V: 3}, size: 12},
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{val: &[]uint8{1, 2, 3, 4}, size: 8},
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{val: &[]uint64{1, 2}, size: 20},
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{val: []*simpleStruct{
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{B: 2, A: 1},
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{B: 4, A: 3},
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}, size: 18},
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{val: []*pointerStruct{
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{P: &simpleStruct{B: 2, A: 1}, V: 0},
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{P: &simpleStruct{B: 4, A: 3}, V: 1},
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}, size: 28},
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// error: nil pointer
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{val: nil, error: "encode error: nil is not supported for input type <nil>"},
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{val: (*[]uint8)(nil), error: "encode error: nil is not supported for input type *[]uint8"},
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{val: pointerStruct{P: nil, V: 0}, error: "encode error: failed to get encode size for field of struct: nil is not supported for input type ssz.pointerStruct"},
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// error: unsupported type
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{val: string("abc"), error: "encode error: type string is not serializable for input type string"},
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}
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func runEncTests(t *testing.T, encode func(val interface{}) ([]byte, error)) {
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for i, test := range encodeTests {
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output, err := encode(test.val)
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// Check unexpected error
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if test.error == "" && err != nil {
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t.Errorf("test %d: unexpected error: %v\nvalue %#v\ntype %T",
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i, err, test.val, test.val)
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continue
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}
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// Check expected error
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if test.error != "" && fmt.Sprint(err) != test.error {
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t.Errorf("test %d: error mismatch\ngot %v\nwant %v\nvalue %#v\ntype %T",
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i, err, test.error, test.val, test.val)
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continue
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}
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// Check expected output
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if err == nil && !bytes.Equal(output, unhex(test.output)) {
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t.Errorf("test %d: output mismatch:\ngot %X\nwant %s\nvalue %#v\ntype %T",
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i, output, stripSpace(test.output), test.val, test.val)
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}
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}
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}
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func runEncSizeTests(t *testing.T, encodeSize func(val interface{}) (uint32, error)) {
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for i, test := range encodeSizeTests {
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size, err := encodeSize(test.val)
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// Check unexpected error
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if test.error == "" && err != nil {
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t.Errorf("test %d: unexpected error: %v\nvalue %#v\ntype %T",
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i, err, test.val, test.val)
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continue
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}
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// Check expected error
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if test.error != "" && fmt.Sprint(err) != test.error {
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t.Errorf("test %d: error mismatch\ngot %v\nwant %v\nvalue %#v\ntype %T",
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i, err, test.error, test.val, test.val)
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continue
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}
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// Check expected output
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if err == nil && size != test.size {
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t.Errorf("test %d: output mismatch:\ngot %d\nwant %d\nvalue %#v\ntype %T",
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i, size, test.size, test.val, test.val)
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}
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}
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}
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func TestEncode(t *testing.T) {
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runEncTests(t, func(val interface{}) ([]byte, error) {
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b := new(bytes.Buffer)
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err := Encode(b, val)
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return b.Bytes(), err
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})
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}
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func TestEncodeSize(t *testing.T) {
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runEncSizeTests(t, func(val interface{}) (uint32, error) {
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size, err := EncodeSize(val)
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return size, err
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})
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}
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// unhex converts a hex string to byte array.
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func unhex(str string) []byte {
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b, err := hex.DecodeString(stripSpace(str))
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if err != nil {
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panic(fmt.Sprintf("invalid hex string: %q", str))
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}
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return b
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}
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func stripSpace(str string) string {
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return strings.Replace(str, " ", "", -1)
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}
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type simpleStruct struct {
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B uint16
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A uint8
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}
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type innerStruct struct {
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V uint16
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}
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type outerStruct struct {
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V uint8
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SubV innerStruct
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}
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type arrayStruct struct {
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V []simpleStruct
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}
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type pointerStruct struct {
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P *simpleStruct
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V uint8
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}
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