byteio/bigendianwriter_test.go at master · MJKWoolnough/byteio · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
package byteio

import (
	"bytes"
	"io"
	"testing"
)

func TestWriteBigEndian(t *testing.T) {
	const testData = "\x0a\x0b\x0c\x0d\x0c\x0d\x01\x02\x03\x04\x05\x06\x07\x08A"
	var b bytes.Buffer
	w := BigEndianWriter{Writer: &b}

	if n, err := w.WriteUint32(168496141); err != nil {
		t.Errorf("test 1: unexpected error: %s", err)
	} else if n != 4 {
		t.Errorf("test 1: expecting to write 4 bytes, read %d", n)
	}
	if n, err := w.WriteUint16(3085); err != nil {
		t.Errorf("test 2: unexpected error: %s", err)
	} else if n != 2 {
		t.Errorf("test 2: expecting to write 2 bytes, read %d", n)
	}
	if n, err := w.WriteUint64(72623859790382856); err != nil {
		t.Errorf("test 3: unexpected error: %s", err)
	} else if n != 8 {
		t.Errorf("test 3: expecting to write 8 bytes, read %d", n)
	}
	if n, err := w.WriteUint8(65); err != nil {
		t.Errorf("test 4: unexpected error: %s", err)
	} else if n != 1 {
		t.Errorf("test 4: expecting to write 1 byte, read %d", n)
	}
	if str := b.String(); str != testData {
		t.Errorf("expecting %q, got %q", testData, str)
	}
}

func BenchmarkWriteBigUint8(b *testing.B) {
	w := BigEndianWriter{Writer: io.Discard}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		w.WriteUint8(1)
	}
}

func BenchmarkWriteBigInt8(b *testing.B) {
	w := BigEndianWriter{Writer: io.Discard}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		w.WriteInt8(1)
	}
}

func BenchmarkWriteBigUint16(b *testing.B) {
	w := BigEndianWriter{Writer: io.Discard}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		w.WriteUint16(1)
	}
}

func BenchmarkWriteBigInt16(b *testing.B) {
	w := BigEndianWriter{Writer: io.Discard}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		w.WriteInt16(1)
	}
}

func BenchmarkWriteBigUint32(b *testing.B) {
	w := BigEndianWriter{Writer: io.Discard}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		w.WriteUint32(1)
	}
}

func BenchmarkWriteBigInt32(b *testing.B) {
	w := BigEndianWriter{Writer: io.Discard}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		w.WriteInt32(1)
	}
}

func BenchmarkWriteBigUint64(b *testing.B) {
	w := BigEndianWriter{Writer: io.Discard}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		w.WriteUint64(1)
	}
}

func BenchmarkWriteBigInt64(b *testing.B) {
	w := BigEndianWriter{Writer: io.Discard}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		w.WriteInt64(1)
	}
}