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Add test driver for h3-pg#56 #502

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Add test driver for h3-pg#56 #502

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27 changes: 27 additions & 0 deletions src/apps/testapps/testPolygonToCellsReported.c
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Original file line number Diff line number Diff line change
Expand Up @@ -157,4 +157,31 @@ SUITE(polygonToCells_reported) {
t_assert(actualNumIndexes == 4353, "got expected polygonToCells size");
free(hexagons);
}

TEST(h3pg_56) {
LatLng testVerts[] = {{H3_EXPORT(degsToRads)(72.1254917),
H3_EXPORT(degsToRads)(-110.0018386)},
{H3_EXPORT(degsToRads)(72.5810473),
H3_EXPORT(degsToRads)(-110.0018638)},
{H3_EXPORT(degsToRads)(72.108825),
H3_EXPORT(degsToRads)(-110.0018377)},
{H3_EXPORT(degsToRads)(72.1254917),
H3_EXPORT(degsToRads)(-110.0018386)}};
GeoLoop testGeoLoop = {.numVerts = 4, .verts = testVerts};
GeoPolygon testPolygon;
testPolygon.geoloop = testGeoLoop;
testPolygon.numHoles = 0;

int res = 8;
int numHexagons = H3_EXPORT(maxPolygonToCellsSize)(&testPolygon, res);
t_assert(numHexagons == 153382344,
"number of hexagons estimated is very large");
H3Index *hexagons = calloc(numHexagons, sizeof(H3Index));

H3_EXPORT(polygonToCells)(&testPolygon, res, hexagons);
int actualNumIndexes = countNonNullIndexes(hexagons, numHexagons);

t_assert(actualNumIndexes == 0, "actual number of cells is zero");
free(hexagons);
}
}