github.com/sberex/go-sberex@v1.8.2-0.20181113200658-ed96ac38f7d7/rpc/types_test.go (about)

     1  // This file is part of the go-sberex library. The go-sberex library is 
     2  // free software: you can redistribute it and/or modify it under the terms 
     3  // of the GNU Lesser General Public License as published by the Free 
     4  // Software Foundation, either version 3 of the License, or (at your option)
     5  // any later version.
     6  //
     7  // The go-sberex library is distributed in the hope that it will be useful, 
     8  // but WITHOUT ANY WARRANTY; without even the implied warranty of
     9  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
    10  // General Public License <http://www.gnu.org/licenses/> for more details.
    11  
    12  package rpc
    13  
    14  import (
    15  	"encoding/json"
    16  	"testing"
    17  
    18  	"github.com/Sberex/go-sberex/common/math"
    19  )
    20  
    21  func TestBlockNumberJSONUnmarshal(t *testing.T) {
    22  	tests := []struct {
    23  		input    string
    24  		mustFail bool
    25  		expected BlockNumber
    26  	}{
    27  		0:  {`"0x"`, true, BlockNumber(0)},
    28  		1:  {`"0x0"`, false, BlockNumber(0)},
    29  		2:  {`"0X1"`, false, BlockNumber(1)},
    30  		3:  {`"0x00"`, true, BlockNumber(0)},
    31  		4:  {`"0x01"`, true, BlockNumber(0)},
    32  		5:  {`"0x1"`, false, BlockNumber(1)},
    33  		6:  {`"0x12"`, false, BlockNumber(18)},
    34  		7:  {`"0x7fffffffffffffff"`, false, BlockNumber(math.MaxInt64)},
    35  		8:  {`"0x8000000000000000"`, true, BlockNumber(0)},
    36  		9:  {"0", true, BlockNumber(0)},
    37  		10: {`"ff"`, true, BlockNumber(0)},
    38  		11: {`"pending"`, false, PendingBlockNumber},
    39  		12: {`"latest"`, false, LatestBlockNumber},
    40  		13: {`"earliest"`, false, EarliestBlockNumber},
    41  		14: {`someString`, true, BlockNumber(0)},
    42  		15: {`""`, true, BlockNumber(0)},
    43  		16: {``, true, BlockNumber(0)},
    44  	}
    45  
    46  	for i, test := range tests {
    47  		var num BlockNumber
    48  		err := json.Unmarshal([]byte(test.input), &num)
    49  		if test.mustFail && err == nil {
    50  			t.Errorf("Test %d should fail", i)
    51  			continue
    52  		}
    53  		if !test.mustFail && err != nil {
    54  			t.Errorf("Test %d should pass but got err: %v", i, err)
    55  			continue
    56  		}
    57  		if num != test.expected {
    58  			t.Errorf("Test %d got unexpected value, want %d, got %d", i, test.expected, num)
    59  		}
    60  	}
    61  }