74 lines
2.1 KiB
Go
74 lines
2.1 KiB
Go
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// 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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"bytes"
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"encoding/json"
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"math/big"
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"testing"
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)
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func TestNewHexNumber(t *testing.T) {
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tests := []interface{}{big.NewInt(123), int64(123), uint64(123), int8(123), uint8(123)}
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for i, v := range tests {
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hn := NewHexNumber(v)
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if hn == nil {
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t.Fatalf("Unable to create hex number instance for tests[%d]", i)
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}
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if hn.Int64() != 123 {
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t.Fatalf("expected %d, got %d on value tests[%d]", 123, hn.Int64(), i)
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}
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}
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failures := []interface{}{"", nil, []byte{1, 2, 3, 4}}
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for i, v := range failures {
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hn := NewHexNumber(v)
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if hn != nil {
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t.Fatalf("Creating a nex number instance of %T should fail (failures[%d])", failures[i], i)
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}
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}
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}
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func TestHexNumberUnmarshalJSON(t *testing.T) {
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tests := []string{`"0x4d2"`, "1234", `"1234"`}
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for i, v := range tests {
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var hn HexNumber
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if err := json.Unmarshal([]byte(v), &hn); err != nil {
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t.Fatalf("Test %d failed - %s", i, err)
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}
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if hn.Int64() != 1234 {
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t.Fatalf("Expected %d, got %d for test[%d]", 1234, hn.Int64(), i)
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}
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}
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}
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func TestHexNumberMarshalJSON(t *testing.T) {
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hn := NewHexNumber(1234567890)
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got, err := json.Marshal(hn)
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if err != nil {
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t.Fatalf("Unable to marshal hex number - %s", err)
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}
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exp := []byte(`"0x499602d2"`)
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if bytes.Compare(exp, got) != 0 {
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t.Fatalf("Invalid json.Marshal, expected '%s', got '%s'", exp, got)
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}
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}
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