gecko-dev/tools/fuzzing/common/FuzzingTraits.cpp

36 строки
918 B
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "FuzzingTraits.h"
namespace mozilla {
namespace fuzzing {
/* static */
unsigned int
FuzzingTraits::Random(unsigned int aMax)
{
MOZ_ASSERT(aMax > 0, "aMax needs to be bigger than 0");
return static_cast<unsigned int>(random() % aMax);
}
/* static */
bool
FuzzingTraits::Sometimes(unsigned int aProbability)
{
return FuzzingTraits::Random(aProbability) == 0;
}
/*static */
size_t
FuzzingTraits::Frequency(const size_t aSize, const uint64_t aFactor)
{
return RandomIntegerRange<size_t>(0, ceil(float(aSize) / aFactor)) + 1;
}
} // namespace fuzzing
} // namespace mozilla