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Finalize half-edge consistency tests

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hasufell 2014-05-16 01:11:21 +02:00
parent a3bac07c2b
commit a2b604de2f
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3 changed files with 56 additions and 0 deletions
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2
src/test/cunit.c
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@ -104,6 +104,8 @@ int main(void)
test_parse_obj4)) ||
(NULL == CU_add_test(pSuite, "test5 parsing .obj",
test_parse_obj5)) ||
(NULL == CU_add_test(pSuite, "test6 parsing .obj",
test_parse_obj6)) ||
(NULL == CU_add_test(pSuite, "test1 finding center ob obj",
test_find_center1)) ||
(NULL == CU_add_test(pSuite, "test2 finding center ob obj",

1
src/test/cunit.h
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@ -43,6 +43,7 @@ void test_parse_obj2(void);
void test_parse_obj3(void);
void test_parse_obj4(void);
void test_parse_obj5(void);
void test_parse_obj6(void);
void test_find_center1(void);
void test_find_center2(void);

53
src/test/cunit_half_edge.c
View File

@ -469,13 +469,66 @@ void test_parse_obj5(void)
while(next_edge != start_edge) {
CU_ASSERT_PTR_NOT_NULL(next_edge);
CU_ASSERT_PTR_NOT_NULL(next_edge->pair->pair);
/* check if edges have all the same face */
CU_ASSERT_EQUAL(next_edge->face, &(obj->faces[i]));
/* check if pairs are consistently set */
CU_ASSERT_EQUAL(next_edge->pair->pair, next_edge);
CU_ASSERT_NOT_EQUAL(next_edge->pair, next_edge);
/* check if vertices are consistent with edges */
CU_ASSERT_PTR_NOT_NULL(next_edge->vert->edge);
CU_ASSERT_EQUAL(next_edge->vert->edge->vert, next_edge->vert);
next_edge = next_edge->next;
}
}
}
/**
* Test the whole object for consistency by walking
* through all vertices and checking them for consistency.
*/
void test_parse_obj6(void)
{
char const * const string = ""
"v 9.0 10.0 11.0\n"
"v 11.0 10.0 11.0\n"
"v 9.0 11.0 11.0\n"
"v 11.0 11.0 11.0\n"
"v 9.0 11.0 9.0\n"
"v 11.0 11.0 9.0\n"
"v 9.0 10.0 9.0\n"
"v 11.0 10.0 9.0\n"
"f 1 2 4 3\n"
"f 3 4 6 5\n"
"f 5 6 8 7\n"
"f 7 8 2 1\n"
"f 2 8 6 4\n"
"f 7 1 3 5\n";
HE_obj *obj = parse_obj(string);
CU_ASSERT_PTR_NOT_NULL(obj);
for (uint32_t i = 0; i < obj->vc; i++) {
HE_edge *edge = obj->vertices[i].edge;
do {
/* check if pairs are consistently set */
CU_ASSERT_EQUAL(edge->pair->pair, edge);
CU_ASSERT_NOT_EQUAL(edge->pair, edge);
/* check if neighbor vertex is consistently connected
* to half-edge */
CU_ASSERT_NOT_EQUAL(edge->pair->vert, edge->vert);
CU_ASSERT_PTR_NOT_NULL(edge->pair->vert->edge);
CU_ASSERT_EQUAL(edge->pair->next->vert, edge->vert);
CU_ASSERT_EQUAL(edge->vert->edge->vert, edge->vert);
edge = edge->pair->next;
} while (edge && edge != obj->vertices[i].edge);
}
}
/**
* Test finding the center of an object.
*/