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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"
- "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)
- }
- }
- }
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