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
|
#include <gtk/gtk.h>
#include "gsk/gskcurveprivate.h"
static void
init_random_point (graphene_point_t *p)
{
p->x = g_test_rand_double_range (0, 1000);
p->y = g_test_rand_double_range (0, 1000);
}
static float
random_weight (void)
{
if (g_test_rand_bit ())
return g_test_rand_double_range (0, 100);
else
return 1.0 / g_test_rand_double_range (1, 100);
}
static void
init_random_curve (GskCurve *curve)
{
switch (g_test_rand_int_range (GSK_PATH_LINE, GSK_PATH_CONIC + 1))
{
case GSK_PATH_LINE:
{
graphene_point_t p[2];
init_random_point (&p[0]);
init_random_point (&p[1]);
gsk_curve_init (curve, gsk_pathop_encode (GSK_PATH_LINE, p));
}
break;
case GSK_PATH_CURVE:
{
graphene_point_t p[4];
init_random_point (&p[0]);
init_random_point (&p[1]);
init_random_point (&p[2]);
init_random_point (&p[3]);
gsk_curve_init (curve, gsk_pathop_encode (GSK_PATH_CURVE, p));
}
break;
case GSK_PATH_CONIC:
{
graphene_point_t p[4];
init_random_point (&p[0]);
init_random_point (&p[1]);
p[2] = GRAPHENE_POINT_INIT (random_weight(), 0);
init_random_point (&p[3]);
gsk_curve_init (curve, gsk_pathop_encode (GSK_PATH_CONIC, p));
}
break;
default:
g_assert_not_reached ();
}
}
static void
test_curve_points (void)
{
for (int i = 0; i < 100; i++)
{
GskCurve c;
graphene_point_t p;
init_random_curve (&c);
gsk_curve_eval (&c, 0, &p, NULL);
g_assert_true (graphene_point_near (gsk_curve_get_start_point (&c), &p, 0.01));
gsk_curve_eval (&c, 1, &p, NULL);
g_assert_true (graphene_point_near (gsk_curve_get_end_point (&c), &p, 0.01));
}
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/curve/points", test_curve_points);
return g_test_run ();
}
|
