test_modification()

static void test_modification ( void  )

static

Definition at line 108 of file cu_iterator.c.

References inputs, LW_PARSER_CHECK_NONE, lwgeom_free(), lwgeom_from_wkt(), lwgeom_has_m(), lwgeom_has_z(), lwpointiterator_create(), lwpointiterator_create_rw(), lwpointiterator_destroy(), lwpointiterator_has_next(), lwpointiterator_modify_next(), lwpointiterator_next(), POINT4D::m, POINT4D::x, POINT4D::y, and POINT4D::z.

Referenced by iterator_suite_setup().

{
        uint32_t i;
        uint32_t j = 0;

        for (i = 0; i < sizeof(inputs)/sizeof(char*); i++)
        {
                LWGEOM* input = lwgeom_from_wkt(inputs[i], LW_PARSER_CHECK_NONE);
                LWPOINTITERATOR* it1 = lwpointiterator_create_rw(input);
                LWPOINTITERATOR* it2 = lwpointiterator_create(input);;

                while (lwpointiterator_has_next(it1))
                {
                        /* Make up a coordinate, assign it to the next spot in it1,
                         * read it from it2 to verify that it was assigned correctly. */
                        POINT4D p1, p2;
                        p1.x = sqrt(j++);
                        p1.y = sqrt(j++);
                        p1.z = sqrt(j++);
                        p1.m = sqrt(j++);

                        CU_ASSERT_TRUE(lwpointiterator_modify_next(it1, &p1));
                        CU_ASSERT_TRUE(lwpointiterator_next(it2, &p2));

                        CU_ASSERT_EQUAL(p1.x, p2.x);
                        CU_ASSERT_EQUAL(p1.y, p2.y);

                        if (lwgeom_has_z(input))
                                CU_ASSERT_EQUAL(p1.z, p2.z);

                        if (lwgeom_has_m(input))
                                CU_ASSERT_EQUAL(p1.m, p2.m);
                }

                lwgeom_free(input);

                lwpointiterator_destroy(it1);
                lwpointiterator_destroy(it2);
        }
}

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