github.com/xmplusdev/xmcore@v1.8.11-0.20240412132628-5518b55526af/common/serial/serial_test.go (about)

     1  package serial_test
     2  
     3  import (
     4  	"bytes"
     5  	"testing"
     6  
     7  	"github.com/google/go-cmp/cmp"
     8  	"github.com/xmplusdev/xmcore/common"
     9  	"github.com/xmplusdev/xmcore/common/buf"
    10  	"github.com/xmplusdev/xmcore/common/serial"
    11  )
    12  
    13  func TestUint16Serial(t *testing.T) {
    14  	b := buf.New()
    15  	defer b.Release()
    16  
    17  	n, err := serial.WriteUint16(b, 10)
    18  	common.Must(err)
    19  	if n != 2 {
    20  		t.Error("expect 2 bytes writtng, but actually ", n)
    21  	}
    22  	if diff := cmp.Diff(b.Bytes(), []byte{0, 10}); diff != "" {
    23  		t.Error(diff)
    24  	}
    25  }
    26  
    27  func TestUint64Serial(t *testing.T) {
    28  	b := buf.New()
    29  	defer b.Release()
    30  
    31  	n, err := serial.WriteUint64(b, 10)
    32  	common.Must(err)
    33  	if n != 8 {
    34  		t.Error("expect 8 bytes writtng, but actually ", n)
    35  	}
    36  	if diff := cmp.Diff(b.Bytes(), []byte{0, 0, 0, 0, 0, 0, 0, 10}); diff != "" {
    37  		t.Error(diff)
    38  	}
    39  }
    40  
    41  func TestReadUint16(t *testing.T) {
    42  	testCases := []struct {
    43  		Input  []byte
    44  		Output uint16
    45  	}{
    46  		{
    47  			Input:  []byte{0, 1},
    48  			Output: 1,
    49  		},
    50  	}
    51  
    52  	for _, testCase := range testCases {
    53  		v, err := serial.ReadUint16(bytes.NewReader(testCase.Input))
    54  		common.Must(err)
    55  		if v != testCase.Output {
    56  			t.Error("for input ", testCase.Input, " expect output ", testCase.Output, " but got ", v)
    57  		}
    58  	}
    59  }
    60  
    61  func BenchmarkReadUint16(b *testing.B) {
    62  	reader := buf.New()
    63  	defer reader.Release()
    64  
    65  	common.Must2(reader.Write([]byte{0, 1}))
    66  	b.ResetTimer()
    67  
    68  	for i := 0; i < b.N; i++ {
    69  		_, err := serial.ReadUint16(reader)
    70  		common.Must(err)
    71  		reader.Clear()
    72  		reader.Extend(2)
    73  	}
    74  }
    75  
    76  func BenchmarkWriteUint64(b *testing.B) {
    77  	writer := buf.New()
    78  	defer writer.Release()
    79  
    80  	b.ResetTimer()
    81  
    82  	for i := 0; i < b.N; i++ {
    83  		_, err := serial.WriteUint64(writer, 8)
    84  		common.Must(err)
    85  		writer.Clear()
    86  	}
    87  }