plugeth/rpc/types_test.go
2018-02-14 13:49:11 +01:00

67 lines
2.1 KiB
Go

// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rpc
import (
"encoding/json"
"testing"
"github.com/ethereum/go-ethereum/common/math"
)
func TestBlockNumberJSONUnmarshal(t *testing.T) {
tests := []struct {
input string
mustFail bool
expected BlockNumber
}{
0: {`"0x"`, true, BlockNumber(0)},
1: {`"0x0"`, false, BlockNumber(0)},
2: {`"0X1"`, false, BlockNumber(1)},
3: {`"0x00"`, true, BlockNumber(0)},
4: {`"0x01"`, true, BlockNumber(0)},
5: {`"0x1"`, false, BlockNumber(1)},
6: {`"0x12"`, false, BlockNumber(18)},
7: {`"0x7fffffffffffffff"`, false, BlockNumber(math.MaxInt64)},
8: {`"0x8000000000000000"`, true, BlockNumber(0)},
9: {"0", true, BlockNumber(0)},
10: {`"ff"`, true, BlockNumber(0)},
11: {`"pending"`, false, PendingBlockNumber},
12: {`"latest"`, false, LatestBlockNumber},
13: {`"earliest"`, false, EarliestBlockNumber},
14: {`someString`, true, BlockNumber(0)},
15: {`""`, true, BlockNumber(0)},
16: {``, true, BlockNumber(0)},
}
for i, test := range tests {
var num BlockNumber
err := json.Unmarshal([]byte(test.input), &num)
if test.mustFail && err == nil {
t.Errorf("Test %d should fail", i)
continue
}
if !test.mustFail && err != nil {
t.Errorf("Test %d should pass but got err: %v", i, err)
continue
}
if num != test.expected {
t.Errorf("Test %d got unexpected value, want %d, got %d", i, test.expected, num)
}
}
}