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