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types_test.go
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types_test.go
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// 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"
"reflect"
"testing"
"github.com/ethereum/go-ethereum/common"
"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)
}
}
}
func TestBlockNumberOrHash_UnmarshalJSON(t *testing.T) {
tests := []struct {
input string
mustFail bool
expected BlockNumberOrHash
}{
0: {`"0x"`, true, BlockNumberOrHash{}},
1: {`"0x0"`, false, BlockNumberOrHashWithNumber(0)},
2: {`"0X1"`, false, BlockNumberOrHashWithNumber(1)},
3: {`"0x00"`, true, BlockNumberOrHash{}},
4: {`"0x01"`, true, BlockNumberOrHash{}},
5: {`"0x1"`, false, BlockNumberOrHashWithNumber(1)},
6: {`"0x12"`, false, BlockNumberOrHashWithNumber(18)},
7: {`"0x7fffffffffffffff"`, false, BlockNumberOrHashWithNumber(math.MaxInt64)},
8: {`"0x8000000000000000"`, true, BlockNumberOrHash{}},
9: {"0", true, BlockNumberOrHash{}},
10: {`"ff"`, true, BlockNumberOrHash{}},
11: {`"pending"`, false, BlockNumberOrHashWithNumber(PendingBlockNumber)},
12: {`"latest"`, false, BlockNumberOrHashWithNumber(LatestBlockNumber)},
13: {`"earliest"`, false, BlockNumberOrHashWithNumber(EarliestBlockNumber)},
14: {`someString`, true, BlockNumberOrHash{}},
15: {`""`, true, BlockNumberOrHash{}},
16: {``, true, BlockNumberOrHash{}},
17: {`"0x0000000000000000000000000000000000000000000000000000000000000000"`, false, BlockNumberOrHashWithHash(common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"), false)},
18: {`{"blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}`, false, BlockNumberOrHashWithHash(common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"), false)},
19: {`{"blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000","requireCanonical":false}`, false, BlockNumberOrHashWithHash(common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"), false)},
20: {`{"blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000","requireCanonical":true}`, false, BlockNumberOrHashWithHash(common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000000"), true)},
21: {`{"blockNumber":"0x1"}`, false, BlockNumberOrHashWithNumber(1)},
22: {`{"blockNumber":"pending"}`, false, BlockNumberOrHashWithNumber(PendingBlockNumber)},
23: {`{"blockNumber":"latest"}`, false, BlockNumberOrHashWithNumber(LatestBlockNumber)},
24: {`{"blockNumber":"earliest"}`, false, BlockNumberOrHashWithNumber(EarliestBlockNumber)},
25: {`{"blockNumber":"0x1", "blockHash":"0x0000000000000000000000000000000000000000000000000000000000000000"}`, true, BlockNumberOrHash{}},
}
for i, test := range tests {
var bnh BlockNumberOrHash
err := json.Unmarshal([]byte(test.input), &bnh)
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
}
hash, hashOk := bnh.Hash()
expectedHash, expectedHashOk := test.expected.Hash()
num, numOk := bnh.Number()
expectedNum, expectedNumOk := test.expected.Number()
if bnh.RequireCanonical != test.expected.RequireCanonical ||
hash != expectedHash || hashOk != expectedHashOk ||
num != expectedNum || numOk != expectedNumOk {
t.Errorf("Test %d got unexpected value, want %v, got %v", i, test.expected, bnh)
}
}
}
func TestBlockNumberOrHash_WithNumber_MarshalAndUnmarshal(t *testing.T) {
tests := []struct {
name string
number int64
}{
{"max", math.MaxInt64},
{"pending", int64(PendingBlockNumber)},
{"latest", int64(LatestBlockNumber)},
{"earliest", int64(EarliestBlockNumber)},
}
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
bnh := BlockNumberOrHashWithNumber(BlockNumber(test.number))
marshalled, err := json.Marshal(bnh)
if err != nil {
t.Fatal("cannot marshal:", err)
}
var unmarshalled BlockNumberOrHash
err = json.Unmarshal(marshalled, &unmarshalled)
if err != nil {
t.Fatal("cannot unmarshal:", err)
}
if !reflect.DeepEqual(bnh, unmarshalled) {
t.Fatalf("wrong result: expected %v, got %v", bnh, unmarshalled)
}
})
}
}