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
|
// Copyright 2009 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 io_test
import (
"bytes";
. "io";
"testing";
)
// An version of bytes.Buffer without ReadFrom and WriteTo
type Buffer struct {
bytes.Buffer;
ReaderFrom; // conflicts with and hides bytes.Buffer's ReaderFrom.
WriterTo; // conflicts with and hides bytes.Buffer's WriterTo.
}
// Simple tests, primarily to verify the ReadFrom and WriteTo callouts inside Copy and Copyn.
func TestCopy(t *testing.T) {
rb := new(Buffer);
wb := new(Buffer);
rb.WriteString("hello, world.");
Copy(wb, rb);
if wb.String() != "hello, world." {
t.Errorf("Copy did not work properly")
}
}
func TestCopyReadFrom(t *testing.T) {
rb := new(Buffer);
wb := new(bytes.Buffer); // implements ReadFrom.
rb.WriteString("hello, world.");
Copy(wb, rb);
if wb.String() != "hello, world." {
t.Errorf("Copy did not work properly")
}
}
func TestCopyWriteTo(t *testing.T) {
rb := new(bytes.Buffer); // implements WriteTo.
wb := new(Buffer);
rb.WriteString("hello, world.");
Copy(wb, rb);
if wb.String() != "hello, world." {
t.Errorf("Copy did not work properly")
}
}
func TestCopyn(t *testing.T) {
rb := new(Buffer);
wb := new(Buffer);
rb.WriteString("hello, world.");
Copyn(wb, rb, 5);
if wb.String() != "hello" {
t.Errorf("Copyn did not work properly")
}
}
func TestCopynReadFrom(t *testing.T) {
rb := new(Buffer);
wb := new(bytes.Buffer); // implements ReadFrom.
rb.WriteString("hello");
Copyn(wb, rb, 5);
if wb.String() != "hello" {
t.Errorf("Copyn did not work properly")
}
}
func TestCopynWriteTo(t *testing.T) {
rb := new(bytes.Buffer); // implements WriteTo.
wb := new(Buffer);
rb.WriteString("hello, world.");
Copyn(wb, rb, 5);
if wb.String() != "hello" {
t.Errorf("Copyn did not work properly")
}
}
|
