testHexRanges.c in h3-3.4.4

- old
+ new

@@ -23,10 +23,11 @@
     H3Index sfHex = H3_EXPORT(geoToH3)(&sf, 9);
     H3Index* sfHexPtr = &sfHex;
 
     H3Index k1[] = {0x89283080ddbffff, 0x89283080c37ffff, 0x89283080c27ffff,
                     0x89283080d53ffff, 0x89283080dcfffff, 0x89283080dc3ffff};
+    H3Index withPentagon[] = {0x8029fffffffffff, 0x801dfffffffffff};
 
     TEST(identityKRing) {
         int err;
 
         H3Index k0[] = {0};
@@ -71,7 +72,16 @@
                 t_assert(k1[index] == allKrings2[i],
                          "The beginning of the segment is the correct hexagon");
             }
         }
         free(allKrings2);
+    }
+
+    TEST(failed) {
+        int err;
+        H3Index* allKrings = calloc(2 * (1 + 6), sizeof(H3Index));
+        err = H3_EXPORT(hexRanges)(withPentagon, 2, 1, allKrings);
+
+        t_assert(err != 0, "Expected error on hexRanges");
+        free(allKrings);
     }
 }