The core protocol of WoopChain
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woop/internal/utils/bytes_test.go

109 lines
2.3 KiB

package utils
import (
"bytes"
"testing"
checker "gopkg.in/check.v1"
)
type BytesSuite struct{}
var _ = checker.Suite(&BytesSuite{})
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) 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) 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 TestFromHex(t *testing.T) {
input := "0x01"
expected := []byte{1}
result := FromHex(input)
if !bytes.Equal(expected, result) {
t.Errorf("Expected %x got %x", expected, result)
}
}
func TestIsHex(t *testing.T) {
tests := []struct {
input string
ok bool
}{
{"", true},
{"0", false},
{"00", true},
{"a9e67e", true},
{"A9E67E", true},
{"0xa9e67e", false},
{"a9e67e001", false},
{"0xHELLO_MY_NAME_IS_STEVEN_@#$^&*", false},
}
for _, test := range tests {
if ok := IsHex(test.input); ok != test.ok {
t.Errorf("isHex(%q) = %v, want %v", test.input, ok, test.ok)
}
}
}
func TestFromHexOddLength(t *testing.T) {
input := "0x1"
expected := []byte{1}
result := FromHex(input)
if !bytes.Equal(expected, result) {
t.Errorf("Expected %x got %x", expected, result)
}
}
func TestNoPrefixShortHexOddLength(t *testing.T) {
input := "1"
expected := []byte{1}
result := FromHex(input)
if !bytes.Equal(expected, result) {
t.Errorf("Expected %x got %x", expected, result)
}
}
func TestCopyBytes(t *testing.T) {
expected := []byte{1, 2, 3}
result := CopyBytes(expected)
if !bytes.Equal(expected, result) {
t.Errorf("Expected %x got %x", expected, result)
}
expected[0] = 0
if result[0] == 0 {
t.Errorf("should not be 0")
}
}
func TestPadBytes(test *testing.T) {
byteSuite := BytesSuite{}
c := checker.C{}
byteSuite.TestCopyBytes(&c)
byteSuite.TestLeftPadBytes(&c)
byteSuite.TestRightPadBytes(&c)
}