github.com/arieschain/arieschain@v0.0.0-20191023063405-37c074544356/rpc/types_test.go (about)

     1  package rpc
     2  
     3  import (
     4  	"encoding/json"
     5  	"testing"
     6  
     7  	"github.com/quickchainproject/quickchain/common/math"
     8  )
     9  
    10  func TestBlockNumberJSONUnmarshal(t *testing.T) {
    11  	tests := []struct {
    12  		input    string
    13  		mustFail bool
    14  		expected BlockNumber
    15  	}{
    16  		0:  {`"0x"`, true, BlockNumber(0)},
    17  		1:  {`"0x0"`, false, BlockNumber(0)},
    18  		2:  {`"0X1"`, false, BlockNumber(1)},
    19  		3:  {`"0x00"`, true, BlockNumber(0)},
    20  		4:  {`"0x01"`, true, BlockNumber(0)},
    21  		5:  {`"0x1"`, false, BlockNumber(1)},
    22  		6:  {`"0x12"`, false, BlockNumber(18)},
    23  		7:  {`"0x7fffffffffffffff"`, false, BlockNumber(math.MaxInt64)},
    24  		8:  {`"0x8000000000000000"`, true, BlockNumber(0)},
    25  		9:  {"0", true, BlockNumber(0)},
    26  		10: {`"ff"`, true, BlockNumber(0)},
    27  		11: {`"pending"`, false, PendingBlockNumber},
    28  		12: {`"latest"`, false, LatestBlockNumber},
    29  		13: {`"earliest"`, false, EarliestBlockNumber},
    30  		14: {`someString`, true, BlockNumber(0)},
    31  		15: {`""`, true, BlockNumber(0)},
    32  		16: {``, true, BlockNumber(0)},
    33  	}
    34  
    35  	for i, test := range tests {
    36  		var num BlockNumber
    37  		err := json.Unmarshal([]byte(test.input), &num)
    38  		if test.mustFail && err == nil {
    39  			t.Errorf("Test %d should fail", i)
    40  			continue
    41  		}
    42  		if !test.mustFail && err != nil {
    43  			t.Errorf("Test %d should pass but got err: %v", i, err)
    44  			continue
    45  		}
    46  		if num != test.expected {
    47  			t.Errorf("Test %d got unexpected value, want %d, got %d", i, test.expected, num)
    48  		}
    49  	}
    50  }