AlexanderSaydakov commented on code in PR #458:
URL: https://github.com/apache/datasketches-cpp/pull/458#discussion_r2136259181
##########
tdigest/test/tdigest_test.cpp:
##########
@@ -453,4 +453,18 @@ TEST_CASE("deserialize from reference implementation bytes
float", "[tdigest]")
REQUIRE(td.get_rank(n) == 1);
}
+TEST_CASE("iterate centroids", "[tdigest]") {
+ tdigest_double td(100);
+ for (int i = 0; i < 10; i++) {
+ td.update(i);
+ }
+
+ auto centroid_count = 0;
+ for (const auto ¢roid: td) {
+ centroid_count++;
+ }
+ // Ensure that centroids are retrieved for a case where there is buffered
values
+ REQUIRE(centroid_count == 10);
Review Comment:
perhaps we could do better than just counting, but I am not sure whether
that would be assuming too much about implementation
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