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
|
/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. You may not use this file except in compliance with the License.
*
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Copyright (C) 2020 Cloudius Systems, Ltd.
*/
#include <seastar/testing/test_case.hh>
#include <seastar/util/log.hh>
using namespace seastar;
SEASTAR_TEST_CASE(log_buf_realloc) {
std::array<char, 128> external_buf;
const auto external_buf_ptr = reinterpret_cast<uintptr_t>(external_buf.data());
internal::log_buf b(external_buf.data(), external_buf.size());
BOOST_REQUIRE_EQUAL(reinterpret_cast<uintptr_t>(b.data()), external_buf_ptr);
auto it = b.back_insert_begin();
for (auto i = 0; i < 128; ++i) {
*it++ = 'a';
}
*it = 'a'; // should trigger realloc
BOOST_REQUIRE_NE(reinterpret_cast<uintptr_t>(b.data()), reinterpret_cast<uintptr_t>(external_buf.data()));
const char* p = b.data();
for (auto i = 0; i < 129; ++i) {
BOOST_REQUIRE_EQUAL(p[i], 'a');
}
return make_ready_future<>();
}
SEASTAR_TEST_CASE(log_buf_insert_iterator_format_to) {
constexpr size_t size = 128;
auto external_buf = std::make_unique<char[]>(size);
auto external_buf_ptr = external_buf.get();
char str[size + 1];
internal::log_buf b(external_buf_ptr, size);
BOOST_REQUIRE_EQUAL(reinterpret_cast<uintptr_t>(b.data()), reinterpret_cast<uintptr_t>(external_buf_ptr));
auto it = b.back_insert_begin();
memset(str, 'a', size);
str[size] = '\0';
#if FMT_VERSION >= 80000
it = fmt::format_to(it, fmt::runtime(str), size);
#else
it = fmt::format_to(it, str, size);
#endif
BOOST_REQUIRE_EQUAL(reinterpret_cast<uintptr_t>(b.data()), reinterpret_cast<uintptr_t>(external_buf_ptr));
*it++ = '\n';
BOOST_REQUIRE_NE(reinterpret_cast<uintptr_t>(b.data()), reinterpret_cast<uintptr_t>(external_buf_ptr));
memset(str, 'b', size);
#if FMT_VERSION >= 80000
it = fmt::format_to(it, fmt::runtime(str), size);
#else
it = fmt::format_to(it, str, size);
#endif
*it++ = '\n';
const char* p = b.data();
size_t pos = 0;
for (size_t i = 0; i < size; i++) {
BOOST_REQUIRE_EQUAL(p[pos++], 'a');
}
BOOST_REQUIRE_EQUAL(p[pos++], '\n');
for (size_t i = 0; i < size; i++) {
BOOST_REQUIRE_EQUAL(p[pos++], 'b');
}
BOOST_REQUIRE_EQUAL(p[pos++], '\n');
return make_ready_future<>();
}
SEASTAR_TEST_CASE(log_buf_clear) {
internal::log_buf buf;
auto it = buf.back_insert_begin();
fmt::format_to(it, "abcd");
BOOST_CHECK_EQUAL(buf.view(), "abcd");
auto cap_before = buf.capacity();
buf.clear();
BOOST_CHECK_EQUAL(cap_before, buf.capacity());
BOOST_CHECK_EQUAL(0, buf.size());
fmt::format_to(it, "uuvvwwxxyyzz");
BOOST_CHECK_EQUAL(buf.view(), "uuvvwwxxyyzz");
cap_before = buf.capacity();
buf.clear();
BOOST_CHECK_EQUAL(cap_before, buf.capacity());
BOOST_CHECK_EQUAL(0, buf.size());
return make_ready_future<>();
}
|
