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
129
130
131
|
/*
* Copyright (c) 2008-2025 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#import "ObjFW.h"
#import "ObjFWTest.h"
@interface OFStreamTests: OTTestCase
@end
@interface OFTestStream: OFStream
{
int _state;
}
@end
@implementation OFStreamTests
- (void)testStream
{
size_t pageSize = [OFSystemInfo pageSize];
OFTestStream *stream = objc_autorelease([[OFTestStream alloc] init]);
char *cString = OFAllocMemory(pageSize - 2, 1);
@try {
OFString *string;
memset(cString, 'X', pageSize - 3);
cString[pageSize - 3] = '\0';
OTAssertEqualObjects([stream readLine], @"foo");
string = [stream readLine];
OTAssertNotNil(string);
OTAssertEqual(string.length, pageSize - 3);
OTAssertEqual(strcmp(string.UTF8String, cString), 0);
string = [stream readString];
OTAssertEqualObjects(string, @"aaa");
string = [stream readString];
OTAssertEqualObjects(string, @"b");
} @finally {
OFFreeMemory(cString);
}
}
@end
@implementation OFTestStream
- (bool)lowlevelIsAtEndOfStream
{
return (_state > 7);
}
- (size_t)lowlevelReadIntoBuffer: (void *)buffer length: (size_t)size
{
size_t pageSize = [OFSystemInfo pageSize];
switch (_state) {
case 0:
if (size < 1)
return 0;
memcpy(buffer, "f", 1);
_state++;
return 1;
case 1:
if (size < pageSize)
return 0;
memcpy(buffer, "oo\n", 3);
memset((char *)buffer + 3, 'X', pageSize - 3);
_state++;
return pageSize;
case 2:
if (size < 1)
return 0;
memcpy(buffer, "", 1);
_state++;
return 1;
case 3:
case 4:
case 5:
if (size < 1)
return 0;
memcpy(buffer, "a", 1);
_state++;
return 1;
case 6:
if (size < 1)
return 0;
memcpy(buffer, "", 1);
_state++;
return 1;
case 7:
if (size < 1)
return 0;
memcpy(buffer, "b", 1);
_state++;
return 1;
}
return 0;
}
@end
|
