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
|
package memcall
import (
"fmt"
"strings"
"testing"
)
func TestCycle(t *testing.T) {
buffer, err := Alloc(32)
if err != nil {
t.Error(err)
}
if len(buffer) != 32 || cap(buffer) != 32 {
t.Error("allocation has invalid size")
}
for i := range buffer {
if buffer[i] != 0 {
t.Error("allocated memory not zeroed:", buffer)
}
}
if err := Lock(buffer); err != nil {
t.Error(err)
}
for i := range buffer {
buffer[i] = 1
if buffer[i] != 1 {
t.Error("read back data different to what was written")
}
}
if err := Unlock(buffer); err != nil {
t.Error(err)
}
if err := Free(buffer); err != nil {
t.Error(err)
}
if err := DisableCoreDumps(); err != nil {
t.Error(err)
}
}
func TestProtect(t *testing.T) {
buffer, _ := Alloc(32)
if err := Protect(buffer, ReadWrite()); err != nil {
t.Error(err)
}
if err := Protect(buffer, ReadOnly()); err != nil {
t.Error(err)
}
if err := Protect(buffer, NoAccess()); err != nil {
t.Error(err)
}
if err := Protect(buffer, MemoryProtectionFlag{4}); err.Error() != ErrInvalidFlag {
t.Error("expected error")
}
Free(buffer)
}
func TestProtFlags(t *testing.T) {
if NoAccess().flag != 1 {
t.Error("NoAccess value is", NoAccess().flag)
}
if ReadOnly().flag != 2 {
t.Error("ReadOnly value is", ReadOnly().flag)
}
if ReadWrite().flag != 6 {
t.Error("ReadWrite value is", ReadWrite().flag)
}
}
func TestGetStartPtr(t *testing.T) {
str := fmt.Sprintf("<memcall> could not deallocate %p", _getStartPtr(nil))
if !strings.HasPrefix(str, "<memcall> could not deallocate") {
t.Error("Formatted start pointer error is", str)
}
str = fmt.Sprintf("<memcall> could not deallocate %p", _getStartPtr([]byte{}))
if !strings.HasPrefix(str, "<memcall> could not deallocate") {
t.Error("Formatted start pointer error is", str)
}
str = fmt.Sprintf("<memcall> could not deallocate %p", _getStartPtr([]byte{1, 2, 3}))
if !strings.HasPrefix(str, "<memcall> could not deallocate") {
t.Error("Formatted start pointer error is", str)
}
}
|
