/*
- * Copyright 2014 Facebook, Inc.
+ * Copyright 2015 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* limitations under the License.
*/
-#include "folly/Random.h"
-#include "folly/Range.h"
-#include "folly/Benchmark.h"
-#include "folly/Foreach.h"
+#include <folly/Random.h>
+#include <folly/Range.h>
+#include <folly/Benchmark.h>
+#include <folly/Foreach.h>
#include <glog/logging.h>
#include <gtest/gtest.h>
using namespace folly;
+TEST(Random, StateSize) {
+ using namespace folly::detail;
+
+ // uint_fast32_t is uint64_t on x86_64, w00t
+ EXPECT_EQ(sizeof(uint_fast32_t) / 4 + 3,
+ StateSize<std::minstd_rand0>::value);
+ EXPECT_EQ(624, StateSize<std::mt19937>::value);
+#if FOLLY_HAVE_EXTRANDOM_SFMT19937
+ EXPECT_EQ(624, StateSize<__gnu_cxx::sfmt19937>::value);
+#endif
+ EXPECT_EQ(24, StateSize<std::ranlux24_base>::value);
+}
+
TEST(Random, Simple) {
uint32_t prev = 0, seed = 0;
for (int i = 0; i < 1024; ++i) {
}
TEST(Random, MultiThreaded) {
- const int n = 1024;
+ const int n = 100;
std::vector<uint32_t> seeds(n);
std::vector<std::thread> threads;
for (int i = 0; i < n; ++i) {
int main(int argc, char** argv) {
testing::InitGoogleTest(&argc, argv);
- google::ParseCommandLineFlags(&argc, &argv, true);
+ gflags::ParseCommandLineFlags(&argc, &argv, true);
if (FLAGS_benchmark) {
folly::runBenchmarks();