summaryrefslogtreecommitdiffstats
path: root/vendor/golang.org/x/net/http2/fixed_buffer_test.go
blob: f5432f8d86446945cd721516aa3ce50025db5880 (plain)
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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package http2

import (
	"reflect"
	"testing"
)

var bufferReadTests = []struct {
	buf      fixedBuffer
	read, wn int
	werr     error
	wp       []byte
	wbuf     fixedBuffer
}{
	{
		fixedBuffer{[]byte{'a', 0}, 0, 1},
		5, 1, nil, []byte{'a'},
		fixedBuffer{[]byte{'a', 0}, 0, 0},
	},
	{
		fixedBuffer{[]byte{0, 'a'}, 1, 2},
		5, 1, nil, []byte{'a'},
		fixedBuffer{[]byte{0, 'a'}, 0, 0},
	},
	{
		fixedBuffer{[]byte{'a', 'b'}, 0, 2},
		1, 1, nil, []byte{'a'},
		fixedBuffer{[]byte{'a', 'b'}, 1, 2},
	},
	{
		fixedBuffer{[]byte{}, 0, 0},
		5, 0, errReadEmpty, []byte{},
		fixedBuffer{[]byte{}, 0, 0},
	},
}

func TestBufferRead(t *testing.T) {
	for i, tt := range bufferReadTests {
		read := make([]byte, tt.read)
		n, err := tt.buf.Read(read)
		if n != tt.wn {
			t.Errorf("#%d: wn = %d want %d", i, n, tt.wn)
			continue
		}
		if err != tt.werr {
			t.Errorf("#%d: werr = %v want %v", i, err, tt.werr)
			continue
		}
		read = read[:n]
		if !reflect.DeepEqual(read, tt.wp) {
			t.Errorf("#%d: read = %+v want %+v", i, read, tt.wp)
		}
		if !reflect.DeepEqual(tt.buf, tt.wbuf) {
			t.Errorf("#%d: buf = %+v want %+v", i, tt.buf, tt.wbuf)
		}
	}
}

var bufferWriteTests = []struct {
	buf       fixedBuffer
	write, wn int
	werr      error
	wbuf      fixedBuffer
}{
	{
		buf: fixedBuffer{
			buf: []byte{},
		},
		wbuf: fixedBuffer{
			buf: []byte{},
		},
	},
	{
		buf: fixedBuffer{
			buf: []byte{1, 'a'},
		},
		write: 1,
		wn:    1,
		wbuf: fixedBuffer{
			buf: []byte{0, 'a'},
			w:   1,
		},
	},
	{
		buf: fixedBuffer{
			buf: []byte{'a', 1},
			r:   1,
			w:   1,
		},
		write: 2,
		wn:    2,
		wbuf: fixedBuffer{
			buf: []byte{0, 0},
			w:   2,
		},
	},
	{
		buf: fixedBuffer{
			buf: []byte{},
		},
		write: 5,
		werr:  errWriteFull,
		wbuf: fixedBuffer{
			buf: []byte{},
		},
	},
}

func TestBufferWrite(t *testing.T) {
	for i, tt := range bufferWriteTests {
		n, err := tt.buf.Write(make([]byte, tt.write))
		if n != tt.wn {
			t.Errorf("#%d: wrote %d bytes; want %d", i, n, tt.wn)
			continue
		}
		if err != tt.werr {
			t.Errorf("#%d: error = %v; want %v", i, err, tt.werr)
			continue
		}
		if !reflect.DeepEqual(tt.buf, tt.wbuf) {
			t.Errorf("#%d: buf = %+v; want %+v", i, tt.buf, tt.wbuf)
		}
	}
}