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common: Add tests for Address#UnmarshalJSON

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This commit is contained in:
Paulo L F Casaretto 2016-04-21 23:33:24 -03:00
parent 18580e152c
commit a20d3fc362
2 changed files with 37 additions and 3 deletions
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2
common/types.go
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@ -167,7 +167,7 @@ func (a Address) MarshalJSON() ([]byte, error) {
// Parse address from raw json data
func (a *Address) UnmarshalJSON(data []byte) error {
if len(data) > 2 && data[0] == '"' && data[len(data)-1] == '"' {
data = data[:len(data)-1][1:]
data = data[1 : len(data)-1]
}
if len(data) > 2 && data[0] == '0' && data[1] == 'x' {

38
common/types_test.go
View File

@ -16,7 +16,10 @@
package common
import "testing"
import (
"math/big"
"testing"
)
func TestBytesConversion(t *testing.T) {
bytes := []byte{5}
@ -47,7 +50,38 @@ func TestHashJsonValidation(t *testing.T) {
}
for i, test := range tests {
if err := h.UnmarshalJSON(append([]byte(test.Prefix), make([]byte, test.Size)...)); err != test.Error {
t.Error(i, "expected", test.Error, "got", err)
t.Errorf("test #%d: error mismatch: have %v, want %v", i, err, test.Error)
}
}
}
func TestAddressUnmarshalJSON(t *testing.T) {
var a Address
var tests = []struct {
Input string
ShouldErr bool
Output *big.Int
}{
{"", true, nil},
{`""`, true, nil},
{`"0x"`, true, nil},
{`"0x00"`, true, nil},
{`"0xG000000000000000000000000000000000000000"`, true, nil},
{`"0x0000000000000000000000000000000000000000"`, false, big.NewInt(0)},
{`"0x0000000000000000000000000000000000000010"`, false, big.NewInt(16)},
}
for i, test := range tests {
err := a.UnmarshalJSON([]byte(test.Input))
if err != nil && !test.ShouldErr {
t.Errorf("test #%d: unexpected error: %v", i, err)
}
if err == nil {
if test.ShouldErr {
t.Errorf("test #%d: expected error, got none", i)
}
if a.Big().Cmp(test.Output) != 0 {
t.Errorf("test #%d: address mismatch: have %v, want %v", i, a.Big(), test.Output)
}
}
}
}