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109 lines
2.3 KiB
109 lines
2.3 KiB
package utils
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import (
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"bytes"
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"testing"
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checker "gopkg.in/check.v1"
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)
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type BytesSuite struct{}
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var _ = checker.Suite(&BytesSuite{})
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func (s *BytesSuite) TestCopyBytes(c *checker.C) {
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data1 := []byte{1, 2, 3, 4}
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exp1 := []byte{1, 2, 3, 4}
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res1 := CopyBytes(data1)
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c.Assert(res1, checker.DeepEquals, exp1)
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}
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func (s *BytesSuite) TestLeftPadBytes(c *checker.C) {
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val1 := []byte{1, 2, 3, 4}
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exp1 := []byte{0, 0, 0, 0, 1, 2, 3, 4}
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res1 := LeftPadBytes(val1, 8)
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res2 := LeftPadBytes(val1, 2)
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c.Assert(res1, checker.DeepEquals, exp1)
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c.Assert(res2, checker.DeepEquals, val1)
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}
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func (s *BytesSuite) TestRightPadBytes(c *checker.C) {
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val := []byte{1, 2, 3, 4}
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exp := []byte{1, 2, 3, 4, 0, 0, 0, 0}
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resstd := RightPadBytes(val, 8)
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resshrt := RightPadBytes(val, 2)
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c.Assert(resstd, checker.DeepEquals, exp)
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c.Assert(resshrt, checker.DeepEquals, val)
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}
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func TestFromHex(t *testing.T) {
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input := "0x01"
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expected := []byte{1}
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result := FromHex(input)
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if !bytes.Equal(expected, result) {
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t.Errorf("Expected %x got %x", expected, result)
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}
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}
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func TestIsHex(t *testing.T) {
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tests := []struct {
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input string
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ok bool
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}{
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{"", true},
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{"0", false},
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{"00", true},
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{"a9e67e", true},
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{"A9E67E", true},
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{"0xa9e67e", false},
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{"a9e67e001", false},
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{"0xHELLO_MY_NAME_IS_STEVEN_@#$^&*", false},
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}
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for _, test := range tests {
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if ok := isHex(test.input); ok != test.ok {
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t.Errorf("isHex(%q) = %v, want %v", test.input, ok, test.ok)
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}
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}
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}
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func TestFromHexOddLength(t *testing.T) {
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input := "0x1"
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expected := []byte{1}
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result := FromHex(input)
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if !bytes.Equal(expected, result) {
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t.Errorf("Expected %x got %x", expected, result)
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}
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}
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func TestNoPrefixShortHexOddLength(t *testing.T) {
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input := "1"
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expected := []byte{1}
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result := FromHex(input)
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if !bytes.Equal(expected, result) {
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t.Errorf("Expected %x got %x", expected, result)
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}
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}
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func TestCopyBytes(t *testing.T) {
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expected := []byte{1, 2, 3}
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result := CopyBytes(expected)
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if !bytes.Equal(expected, result) {
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t.Errorf("Expected %x got %x", expected, result)
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}
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expected[0] = 0
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if result[0] == 0 {
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t.Errorf("should not be 0")
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}
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}
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func TestPadBytes(test *testing.T) {
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byteSuite := BytesSuite{}
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c := checker.C{}
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byteSuite.TestCopyBytes(&c)
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byteSuite.TestLeftPadBytes(&c)
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byteSuite.TestRightPadBytes(&c)
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}
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