Official Go implementation of the Ethereum protocol
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go-ethereum/ethutil/bytes_test.go

194 lines
4.9 KiB

package ethutil
import (
checker "gopkg.in/check.v1"
)
type BytesSuite struct{}
var _ = checker.Suite(&BytesSuite{})
func (s *BytesSuite) TestByteString(c *checker.C) {
var data Bytes
data = []byte{102, 111, 111}
exp := "foo"
res := data.String()
c.Assert(res, checker.Equals, exp)
}
/*
func (s *BytesSuite) TestDeleteFromByteSlice(c *checker.C) {
data := []byte{1, 2, 3, 4}
slice := []byte{1, 2, 3, 4}
exp := []byte{1, 4}
res := DeleteFromByteSlice(data, slice)
c.Assert(res, checker.DeepEquals, exp)
}
*/
func (s *BytesSuite) TestNumberToBytes(c *checker.C) {
// data1 := int(1)
// res1 := NumberToBytes(data1, 16)
// c.Check(res1, checker.Panics)
var data2 float64 = 3.141592653
exp2 := []byte{0xe9, 0x38}
res2 := NumberToBytes(data2, 16)
c.Assert(res2, checker.DeepEquals, exp2)
}
func (s *BytesSuite) TestBytesToNumber(c *checker.C) {
datasmall := []byte{0xe9, 0x38, 0xe9, 0x38}
datalarge := []byte{0xe9, 0x38, 0xe9, 0x38, 0xe9, 0x38, 0xe9, 0x38}
var expsmall uint64 = 0xe938e938
var explarge uint64 = 0x0
ressmall := BytesToNumber(datasmall)
reslarge := BytesToNumber(datalarge)
c.Assert(ressmall, checker.Equals, expsmall)
c.Assert(reslarge, checker.Equals, explarge)
}
func (s *BytesSuite) TestReadVarInt(c *checker.C) {
data8 := []byte{1, 2, 3, 4, 5, 6, 7, 8}
data4 := []byte{1, 2, 3, 4}
data2 := []byte{1, 2}
data1 := []byte{1}
exp8 := uint64(72623859790382856)
exp4 := uint64(16909060)
exp2 := uint64(258)
exp1 := uint64(1)
res8 := ReadVarInt(data8)
res4 := ReadVarInt(data4)
res2 := ReadVarInt(data2)
res1 := ReadVarInt(data1)
c.Assert(res8, checker.Equals, exp8)
c.Assert(res4, checker.Equals, exp4)
c.Assert(res2, checker.Equals, exp2)
c.Assert(res1, checker.Equals, exp1)
}
func (s *BytesSuite) TestBinaryLength(c *checker.C) {
data1 := 0
data2 := 920987656789
exp1 := 0
exp2 := 5
res1 := BinaryLength(data1)
res2 := BinaryLength(data2)
c.Assert(res1, checker.Equals, exp1)
c.Assert(res2, checker.Equals, exp2)
}
func (s *BytesSuite) TestCopyBytes(c *checker.C) {
data1 := []byte{1, 2, 3, 4}
exp1 := []byte{1, 2, 3, 4}
res1 := CopyBytes(data1)
c.Assert(res1, checker.DeepEquals, exp1)
}
func (s *BytesSuite) TestIsHex(c *checker.C) {
data1 := "a9e67e"
exp1 := false
res1 := IsHex(data1)
c.Assert(res1, checker.DeepEquals, exp1)
data2 := "0xa9e67e00"
exp2 := true
res2 := IsHex(data2)
c.Assert(res2, checker.DeepEquals, exp2)
}
func (s *BytesSuite) TestParseDataString(c *checker.C) {
res1 := ParseData("hello", "world", "0x0106")
data := "68656c6c6f000000000000000000000000000000000000000000000000000000776f726c640000000000000000000000000000000000000000000000000000000106000000000000000000000000000000000000000000000000000000000000"
exp1 := Hex2Bytes(data)
c.Assert(res1, checker.DeepEquals, exp1)
}
func (s *BytesSuite) TestParseDataBytes(c *checker.C) {
data1 := []byte{232, 212, 165, 16, 0}
exp1 := []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 232, 212, 165, 16, 0}
res1 := ParseData(data1)
c.Assert(res1, checker.DeepEquals, exp1)
}
func (s *BytesSuite) TestLeftPadBytes(c *checker.C) {
val1 := []byte{1, 2, 3, 4}
exp1 := []byte{0, 0, 0, 0, 1, 2, 3, 4}
res1 := LeftPadBytes(val1, 8)
res2 := LeftPadBytes(val1, 2)
c.Assert(res1, checker.DeepEquals, exp1)
c.Assert(res2, checker.DeepEquals, val1)
}
func (s *BytesSuite) TestFormatData(c *checker.C) {
data1 := ""
data2 := "0xa9e67e00"
data3 := "a9e67e"
data4 := "\"a9e67e00\""
// exp1 := []byte{}
exp2 := []byte{00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 0xa9, 0xe6, 0x7e, 00}
exp3 := []byte{00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00}
exp4 := []byte{0x61, 0x39, 0x65, 0x36, 0x37, 0x65, 0x30, 0x30, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00}
res1 := FormatData(data1)
res2 := FormatData(data2)
res3 := FormatData(data3)
res4 := FormatData(data4)
c.Assert(res1, checker.IsNil)
c.Assert(res2, checker.DeepEquals, exp2)
c.Assert(res3, checker.DeepEquals, exp3)
c.Assert(res4, checker.DeepEquals, exp4)
}
func (s *BytesSuite) TestRightPadBytes(c *checker.C) {
val := []byte{1, 2, 3, 4}
exp := []byte{1, 2, 3, 4, 0, 0, 0, 0}
resstd := RightPadBytes(val, 8)
resshrt := RightPadBytes(val, 2)
c.Assert(resstd, checker.DeepEquals, exp)
c.Assert(resshrt, checker.DeepEquals, val)
}
func (s *BytesSuite) TestLeftPadString(c *checker.C) {
val := "test"
exp := "\x30\x30\x30\x30" + val
resstd := LeftPadString(val, 8)
resshrt := LeftPadString(val, 2)
c.Assert(resstd, checker.Equals, exp)
c.Assert(resshrt, checker.Equals, val)
}
func (s *BytesSuite) TestRightPadString(c *checker.C) {
val := "test"
exp := val + "\x30\x30\x30\x30"
resstd := RightPadString(val, 8)
resshrt := RightPadString(val, 2)
c.Assert(resstd, checker.Equals, exp)
c.Assert(resshrt, checker.Equals, val)
}