github.com/n1ghtfa1l/go-vnt@v0.6.4-alpha.6/params/config_test.go (about)

     1  // Copyright 2017 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package params
    18  
    19  import (
    20  	"math/big"
    21  	"reflect"
    22  	"testing"
    23  )
    24  
    25  func TestCheckCompatible(t *testing.T) {
    26  	type test struct {
    27  		stored, new *ChainConfig
    28  		head        uint64
    29  		wantErr     *ConfigCompatError
    30  	}
    31  	tests := []test{
    32  		{stored: TestChainConfig, new: TestChainConfig, head: 0, wantErr: nil},
    33  		{
    34  			stored: TestChainConfig,
    35  			new:    &ChainConfig{ChainID: big.NewInt(1), HubbleBlock: big.NewInt(4)},
    36  			head:   4,
    37  			wantErr: &ConfigCompatError{
    38  				What:         "Hubble fork block",
    39  				StoredConfig: big.NewInt(0),
    40  				NewConfig:    big.NewInt(4),
    41  				RewindTo:     0,
    42  			},
    43  		},
    44  	}
    45  
    46  	for _, test := range tests {
    47  		err := test.stored.CheckCompatible(test.new, test.head)
    48  		if !reflect.DeepEqual(err, test.wantErr) {
    49  			t.Errorf("error mismatch:\nstored: %v\nnew: %v\nhead: %v\nerr: %v\nwant: %v", test.stored, test.new, test.head, err, test.wantErr)
    50  		}
    51  	}
    52  }