blob: 6b4d64ddab429e365fa27e299cca6e4389fef58b (
plain)
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
|
/*
Copyright 2015 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/align/align_down.hpp>
#include <boost/align/is_aligned.hpp>
#include <boost/core/lightweight_test.hpp>
template<std::size_t Alignment>
void test()
{
char s[Alignment << 1];
char* b = s;
while (!boost::alignment::is_aligned(b, Alignment)) {
++b;
}
{
void* p = &b[Alignment];
BOOST_TEST(boost::alignment::align_down(p, Alignment) == p);
}
{
void* p = &b[Alignment - 1];
void* q = b;
BOOST_TEST(boost::alignment::align_down(p, Alignment) == q);
}
}
int main()
{
test<1>();
test<2>();
test<4>();
test<8>();
test<16>();
test<32>();
test<64>();
test<128>();
return boost::report_errors();
}
|
