Move random_shuffle to tests.h.

tdutils/td/utils/Random.h

@@ -8,9 +8,6 @@
 
 #include "td/utils/common.h"
 #include "td/utils/Slice.h"
-#include "td/utils/Span.h"
-
-#include <utility>
 
 namespace td {
 
@@ -57,13 +54,4 @@ class Random {
   };
 };
 
-template <class T, class R>
-void random_shuffle(MutableSpan<T> v, R &rnd) {
-  for (size_t i = 1; i < v.size(); i++) {
-    auto pos = static_cast<size_t>(rnd()) % (i + 1);
-    using std::swap;
-    swap(v[i], v[pos]);
-  }
-}
-
 }  // namespace td

tdutils/td/utils/tests.h

@@ -12,6 +12,7 @@
 #include "td/utils/logging.h"
 #include "td/utils/port/sleep.h"
 #include "td/utils/Slice.h"
+#include "td/utils/Span.h"
 #include "td/utils/Status.h"
 
 #include <atomic>
@@ -165,6 +166,15 @@ string rand_string(int from, int to, size_t len);
 
 vector<string> rand_split(Slice str);
 
+template <class T, class R>
+void rand_shuffle(MutableSpan<T> v, R &rnd) {
+  for (size_t i = 1; i < v.size(); i++) {
+    auto pos = static_cast<size_t>(rnd()) % (i + 1);
+    using std::swap;
+    swap(v[i], v[pos]);
+  }
+}
+
 template <class T1, class T2>
 void assert_eq_impl(const T1 &expected, const T2 &got, const char *file, int line) {
   LOG_CHECK(expected == got) << tag("expected", expected) << tag("got", got) << " in " << file << " at line " << line;

tdutils/test/ChainScheduler.cpp

@@ -139,7 +139,7 @@ TEST(ChainScheduler, Stress) {
     int chain_n = rnd.fast(1, ChainsN);
     td::vector<ChainId> chain_ids(ChainsN);
     std::iota(chain_ids.begin(), chain_ids.end(), 0);
-    td::random_shuffle(td::as_mutable_span(chain_ids), rnd);
+    td::rand_shuffle(td::as_mutable_span(chain_ids), rnd);
     chain_ids.resize(chain_n);
     for (auto chain_id : chain_ids) {
       chains[td::narrow_cast<size_t>(chain_id)].push_back(query);

tdutils/test/hashset_benchmark.cpp

@@ -204,7 +204,7 @@ static void BM_Get(benchmark::State &state) {
   }
 
   std::size_t key_i = 0;
-  td::random_shuffle(td::as_mutable_span(keys), rnd);
+  td::rand_shuffle(td::as_mutable_span(keys), rnd);
   auto next_key = [&] {
     key_i++;
     if (key_i == data.size()) {

tdutils/test/heap.cpp

@@ -23,7 +23,7 @@ TEST(Heap, sort_random_perm) {
     v[i] = i;
   }
   td::Random::Xorshift128plus rnd(123);
-  td::random_shuffle(td::as_mutable_span(v), rnd);
+  td::rand_shuffle(td::as_mutable_span(v), rnd);
   td::vector<td::HeapNode> nodes(n);
   td::KHeap<int> kheap;
   for (int i = 0; i < n; i++) {

test/online.cpp

@@ -23,6 +23,7 @@
 #include "td/utils/port/signals.h"
 #include "td/utils/Promise.h"
 #include "td/utils/Random.h"
+#include "td/utils/tests.h"
 
 #include <iostream>
 #include <map>
@@ -437,7 +438,7 @@ class TestDownloadFile : public Task {
       begin = end;
     }
 
-    random_shuffle(as_mutable_span(ranges_), rnd);
+    rand_shuffle(as_mutable_span(ranges_), rnd);
     start_chunk();
   }