src/apps/testapps/testMaxH3ToChildrenSize.c

/*
 * Copyright 2017-2018 Uber Technologies, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <stdlib.h>

#include "h3Index.h"
#include "test.h"

SUITE(maxH3ToChildrenSize) {
    GeoCoord sf = {0.659966917655, 2 * 3.14159 - 2.1364398519396};

    TEST(maxH3ToChildrenSize) {
        H3Index parent = H3_EXPORT(geoToH3)(&sf, 7);

        t_assert(H3_EXPORT(maxH3ToChildrenSize)(parent, 3) == 0,
                 "got expected size for coarser res");
        t_assert(H3_EXPORT(maxH3ToChildrenSize)(parent, 7) == 1,
                 "got expected size for same res");
        t_assert(H3_EXPORT(maxH3ToChildrenSize)(parent, 8) == 7,
                 "got expected size for child res");
        t_assert(H3_EXPORT(maxH3ToChildrenSize)(parent, 9) == 7 * 7,
                 "got expected size for grandchild res");
    }
}