rok commented on code in PR #14341:
URL: https://github.com/apache/arrow/pull/14341#discussion_r1297147443
##########
cpp/src/parquet/test_util.cc:
##########
@@ -132,5 +133,54 @@ void random_byte_array(int n, uint32_t seed, uint8_t* buf,
ByteArray* out, int m
random_byte_array(n, seed, buf, out, 0, max_size);
}
+void prefixed_random_byte_array(int n, uint32_t seed, uint8_t* buf, ByteArray*
out,
+ int min_size, int max_size, double
prefixed_probability) {
+ std::default_random_engine gen(seed);
+ std::uniform_int_distribution<int> dist_size(min_size, max_size);
+ std::uniform_int_distribution<int> dist_byte(0, 255);
+ std::bernoulli_distribution dist_has_prefix(prefixed_probability);
+ std::uniform_real_distribution<double> dist_prefix_length(0, 1);
+
+ for (int i = 0; i < n; ++i) {
+ int len = dist_size(gen);
+ out[i].len = len;
+ out[i].ptr = buf;
+
+ bool do_prefix = dist_has_prefix(gen) && i > 0;
+ std::uniform_int_distribution<int> d4(min_size, len);
Review Comment:
Removed.
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