File: rope_stress.c

package info (click to toggle)
tarantool 1.7.2.385.g952d79e-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 21,556 kB
  • ctags: 28,405
  • sloc: ansic: 180,313; cpp: 26,044; sh: 15,513; python: 4,893; makefile: 1,412
file content (72 lines) | stat: -rw-r--r-- 1,655 bytes parent folder | download | duplicates (2)
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
#include "salad/rope.h"
#include <time.h>
#include "unit.h"
#include "rope_common.h"

static char *data[] = {"a", "bc", "def", "ghij", "klmno"};

static void
test_rope_stress_small()
{
	header();

	struct rope *rope = rope_new(str_getn, NULL, mem_alloc, mem_free, NULL);
	const int iterations = 500;
	int i = 0;
	for (i = 0; i < iterations; ++i) {
		char *d = data[((rope_size_t) rand())%5];
		int len = strlen(d);
		rope_size_t size = rope_size(rope);
		rope_size_t offset = ((rope_size_t) rand()) % (size + 1);
		rope_insert(rope, offset, d, len);
		fail_unless(size + len == rope_size(rope));
		rope_check(rope);
		size = rope_size(rope);
		offset = ((rope_size_t) rand()) % size;
		if (offset == size)
			offset--;
		rope_erase(rope, offset);
		fail_unless(size == rope_size(rope) + 1);
		rope_check(rope);
	}
	rope_delete(rope);

	footer();
}

static void
test_rope_stress_large()
{
	header();

	struct rope *rope = rope_new(str_getn, NULL, mem_alloc, mem_free, NULL);
	const int iterations = 50000;
	int i = 0;
	for (i = 0; i < iterations; ++i) {
		char *d = data[((rope_size_t) rand())%5];
		int len = strlen(d);
		rope_size_t size = rope_size(rope);
		rope_size_t offset = ((rope_size_t) rand()) % (size + 1);
		rope_insert(rope, offset, d, len);
		fail_unless(size + len == rope_size(rope));
		size = rope_size(rope);
		offset = ((rope_size_t) rand()) % size;
		if (offset == size)
			offset--;
		rope_erase(rope, offset);
		fail_unless(size == rope_size(rope) + 1);
		if (i % 1000 == 0)
			rope_check(rope);
	}
	rope_delete(rope);

	footer();
}
int
main()
{
	srand(time(NULL));
	test_rope_stress_small();
	test_rope_stress_large();
	return 0;
}