1 
2 /**
3  *    Copyright (C) 2018-present MongoDB, Inc.
4  *
5  *    This program is free software: you can redistribute it and/or modify
6  *    it under the terms of the Server Side Public License, version 1,
7  *    as published by MongoDB, Inc.
8  *
9  *    This program is distributed in the hope that it will be useful,
10  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *    Server Side Public License for more details.
13  *
14  *    You should have received a copy of the Server Side Public License
15  *    along with this program. If not, see
16  *    <http://www.mongodb.com/licensing/server-side-public-license>.
17  *
18  *    As a special exception, the copyright holders give permission to link the
19  *    code of portions of this program with the OpenSSL library under certain
20  *    conditions as described in each individual source file and distribute
21  *    linked combinations including the program with the OpenSSL library. You
22  *    must comply with the Server Side Public License in all respects for
23  *    all of the code used other than as permitted herein. If you modify file(s)
24  *    with this exception, you may extend this exception to your version of the
25  *    file(s), but you are not obligated to do so. If you do not wish to do so,
26  *    delete this exception statement from your version. If you delete this
27  *    exception statement from all source files in the program, then also delete
28  *    it in the license file.
29  */
30 
31 #include "mongo/base/data_type.h"
32 
33 #include "mongo/base/data_range.h"
34 #include "mongo/base/data_range_cursor.h"
35 #include "mongo/base/data_type_terminated.h"
36 #include "mongo/unittest/unittest.h"
37 
38 namespace mongo {
39 
TEST(DataTypeStringData,Basic)40 TEST(DataTypeStringData, Basic) {
41     char buf[100];
42     StringData a("a");
43     StringData b("bb");
44     StringData c("ccc");
45 
46     {
47         DataRangeCursor drc(buf, buf + sizeof(buf));
48 
49         ASSERT_OK(drc.writeAndAdvance(Terminated<'\0', StringData>(a)));
50         ASSERT_OK(drc.writeAndAdvance(Terminated<'\0', StringData>(b)));
51         ASSERT_OK(drc.writeAndAdvance(Terminated<'\0', StringData>(c)));
52 
53         ASSERT_EQUALS(1 + 2 + 3 + 3, drc.data() - buf);
54     }
55 
56     {
57         ConstDataRangeCursor cdrc(buf, buf + sizeof(buf));
58 
59         Terminated<'\0', StringData> tsd;
60 
61         ASSERT_OK(cdrc.readAndAdvance(&tsd));
62         ASSERT_EQUALS(a, tsd.value);
63 
64         ASSERT_OK(cdrc.readAndAdvance(&tsd));
65         ASSERT_EQUALS(b, tsd.value);
66 
67         ASSERT_OK(cdrc.readAndAdvance(&tsd));
68         ASSERT_EQUALS(c, tsd.value);
69     }
70 }
71 
72 }  // namespace mongo
73