-
Notifications
You must be signed in to change notification settings - Fork 17
/
test_bit_vector.cpp
77 lines (64 loc) · 2.03 KB
/
test_bit_vector.cpp
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
#define BOOST_TEST_MODULE bit_vector
#include "test_common.hpp"
#include "test_rank_select_common.hpp"
#include <cstdlib>
#include <boost/foreach.hpp>
#include "mapper.hpp"
#include "bit_vector.hpp"
BOOST_AUTO_TEST_CASE(bit_vector)
{
srand(42);
std::vector<bool> v = random_bit_vector();
{
succinct::bit_vector_builder bvb;
for (size_t i = 0; i < v.size(); ++i) {
bvb.push_back(v[i]);
}
succinct::bit_vector bitmap(&bvb);
test_equal_bits(v, bitmap, "Random bits (push_back)");
}
{
succinct::bit_vector_builder bvb(v.size());
for (size_t i = 0; i < v.size(); ++i) {
bvb.set(i, v[i]);
}
bvb.push_back(0);
v.push_back(0);
bvb.push_back(1);
v.push_back(1);
succinct::bit_vector bitmap(&bvb);
test_equal_bits(v, bitmap, "Random bits (set)");
}
{
uint64_t ints[] = {uint64_t(-1), uint64_t(1) << 63, 1, 1, 1, 3, 5, 7, 0xFFF, 0xF0F, 1, 0xFFFFFF, 0x123456, uint64_t(1) << 63, uint64_t(-1)};
succinct::bit_vector_builder bvb;
BOOST_FOREACH(uint64_t i, ints) {
uint64_t len = succinct::broadword::msb(i) + 1;
bvb.append_bits(i, len);
}
succinct::bit_vector bitmap(&bvb);
uint64_t pos = 0;
BOOST_FOREACH(uint64_t i, ints) {
uint64_t len = succinct::broadword::msb(i) + 1;
BOOST_REQUIRE_EQUAL(i, bitmap.get_bits(pos, len));
pos += len;
}
}
}
BOOST_AUTO_TEST_CASE(bit_vector_enumerator)
{
srand(42);
std::vector<bool> v = random_bit_vector();
succinct::bit_vector bitmap(v);
size_t i = 0;
size_t pos = 0;
succinct::bit_vector::enumerator e(bitmap, pos);
while (pos < bitmap.size()) {
bool next = e.next();
MY_REQUIRE_EQUAL(next, v[pos], "pos = " << pos << " i = " << i);
pos += 1;
pos += rand() % (bitmap.size() - pos + 1);
e = succinct::bit_vector::enumerator(bitmap, pos);
i += 1;
}
}