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testsuite: Add tests for gsk_path_measure_get_closest_point()

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This commit is contained in:
Benjamin Otte
2020-11-25 00:16:47 +01:00
committed by Matthias Clasen
parent 614e043c94
commit c1111d9c4d
1 changed files with 86 additions and 0 deletions
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86
testsuite/gsk/path.c
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@@ -264,6 +264,91 @@ test_segment (void)
} }
} }
static void
test_closest_point (void)
{
static const float tolerance = 0.5;
GskPath *path, *path1, *path2;
GskPathMeasure *measure, *measure1, *measure2;
GskPathBuilder *builder;
guint i, j;
for (i = 0; i < 10; i++)
{
path1 = create_random_path ();
measure1 = gsk_path_measure_new_with_tolerance (path1, tolerance);
path2 = create_random_path ();
measure2 = gsk_path_measure_new_with_tolerance (path2, tolerance);
builder = gsk_path_builder_new ();
gsk_path_builder_add_path (builder, path1);
gsk_path_builder_add_path (builder, path2);
path = gsk_path_builder_free_to_path (builder);
measure = gsk_path_measure_new_with_tolerance (path, tolerance);
for (j = 0; j < 100; j++)
{
graphene_point_t test = GRAPHENE_POINT_INIT (g_test_rand_double_range (-1000, 1000),
g_test_rand_double_range (-1000, 1000));
graphene_point_t p1, p2, p;
graphene_vec2_t t1, t2, t;
float offset1, offset2, offset;
float distance1, distance2, distance;
gboolean found1, found2, found;
found1 = gsk_path_measure_get_closest_point_full (measure1,
&test,
INFINITY,
&distance1,
&p1,
&offset1,
&t1);
found2 = gsk_path_measure_get_closest_point_full (measure2,
&test,
INFINITY,
&distance2,
&p2,
&offset2,
&t2);
found = gsk_path_measure_get_closest_point_full (measure,
&test,
INFINITY,
&distance,
&p,
&offset,
&t);
if (found1 && (!found2 || distance1 < distance2 + tolerance))
{
g_assert_cmpfloat (distance1, ==, distance);
g_assert_cmpfloat (p1.x, ==, p.x);
g_assert_cmpfloat (p1.y, ==, p.y);
g_assert_cmpfloat (offset1, ==, offset);
g_assert_true (graphene_vec2_equal (&t1, &t));
}
else if (found2)
{
g_assert_cmpfloat (distance2, ==, distance);
g_assert_cmpfloat (p2.x, ==, p.x);
g_assert_cmpfloat (p2.y, ==, p.y);
g_assert_cmpfloat_with_epsilon (offset2 + gsk_path_measure_get_length (measure1), offset, MAX (G_MINFLOAT, offset / 1024));
g_assert_true (graphene_vec2_equal (&t2, &t));
}
else
{
g_assert (!found);
}
}
gsk_path_measure_unref (measure2);
gsk_path_measure_unref (measure1);
gsk_path_measure_unref (measure);
gsk_path_unref (path2);
gsk_path_unref (path1);
gsk_path_unref (path);
}
}
int int
main (int argc, main (int argc,
char *argv[]) char *argv[])
@@ -275,6 +360,7 @@ main (int argc,
g_test_add_func ("/path/segment_end", test_segment_end); g_test_add_func ("/path/segment_end", test_segment_end);
g_test_add_func ("/path/segment_chunk", test_segment_chunk); g_test_add_func ("/path/segment_chunk", test_segment_chunk);
g_test_add_func ("/path/segment", test_segment); g_test_add_func ("/path/segment", test_segment);
g_test_add_func ("/path/closest_point", test_closest_point);
return g_test_run (); return g_test_run ();
} }