blob: 1361e2496b78b5c1510275fd583b635151d98249 [file] [log] [blame]
// Copyright 2017 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "core/fxcrt/fx_random.h"
#include <array>
#include <set>
#include "testing/gtest/include/gtest/gtest.h"
TEST(FX_Random, GenerateMT3600times) {
// Prove this doesn't spin wait for a second each time.
// Since our global seeds are sequential, they wont't collide once
// seeded until 2^32 calls, and if the PNRG is any good, we won't
// get the same sequence from different seeds, esp. with this few
// iterations.
std::set<std::array<uint32_t, 16>> seen;
std::array<uint32_t, 16> current;
for (int i = 0; i < 3600; ++i) {
FX_Random_GenerateMT(, 16);