tisonkun commented on code in PR #128:
URL: https://github.com/apache/datasketches-rust/pull/128#discussion_r3241541461
##########
datasketches/tests/hll_serialization_test.rs:
##########
@@ -132,6 +133,61 @@ fn test_update_after_deserialize_list_mode() {
}
}
+#[test]
+fn test_serialized_bytes_match_reference_files_for_coupon_modes() {
+ fn serialized_mode_name(bytes: &[u8]) -> &'static str {
+ // The HLL preamble stores current mode in the low two bits of byte 7.
+ match bytes[7] & 0x3 {
+ 0 => "List",
+ 1 => "Set",
+ 2 => "HLL",
+ _ => "unknown",
+ }
+ }
+
+ for (hll_type, type_name) in [
+ (HllType::Hll4, "hll4"),
+ (HllType::Hll6, "hll6"),
+ (HllType::Hll8, "hll8"),
+ ] {
Review Comment:
Oops. That's it.
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