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87 lines
2.4 KiB
87 lines
2.4 KiB
// 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 common
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import (
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"math/big"
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"testing"
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)
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func TestBytesConversion(t *testing.T) {
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bytes := []byte{5}
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hash := BytesToHash(bytes)
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var exp Hash
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exp[31] = 5
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if hash != exp {
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t.Errorf("expected %x got %x", exp, hash)
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}
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}
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func TestHashJsonValidation(t *testing.T) {
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var h Hash
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var tests = []struct {
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Prefix string
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Size int
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Error error
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}{
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{"", 2, hashJsonLengthErr},
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{"", 62, hashJsonLengthErr},
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{"", 66, hashJsonLengthErr},
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{"", 65, hashJsonLengthErr},
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{"0X", 64, nil},
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{"0x", 64, nil},
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{"0x", 62, hashJsonLengthErr},
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}
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for i, test := range tests {
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if err := h.UnmarshalJSON(append([]byte(test.Prefix), make([]byte, test.Size)...)); err != test.Error {
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t.Errorf("test #%d: error mismatch: have %v, want %v", i, err, test.Error)
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}
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}
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}
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func TestAddressUnmarshalJSON(t *testing.T) {
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var a Address
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var tests = []struct {
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Input string
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ShouldErr bool
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Output *big.Int
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}{
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{"", true, nil},
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{`""`, true, nil},
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{`"0x"`, true, nil},
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{`"0x00"`, true, nil},
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{`"0xG000000000000000000000000000000000000000"`, true, nil},
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{`"0x0000000000000000000000000000000000000000"`, false, big.NewInt(0)},
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{`"0x0000000000000000000000000000000000000010"`, false, big.NewInt(16)},
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}
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for i, test := range tests {
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err := a.UnmarshalJSON([]byte(test.Input))
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if err != nil && !test.ShouldErr {
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t.Errorf("test #%d: unexpected error: %v", i, err)
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}
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if err == nil {
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if test.ShouldErr {
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t.Errorf("test #%d: expected error, got none", i)
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}
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if a.Big().Cmp(test.Output) != 0 {
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t.Errorf("test #%d: address mismatch: have %v, want %v", i, a.Big(), test.Output)
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}
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}
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}
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}
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