naiveproxy/net/http2/tools/http2_random.cc
2018-01-28 13:32:06 -05:00

59 lines
1.4 KiB
C++

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/http2/tools/http2_random.h"
#include <memory>
#include "base/rand_util.h"
namespace net {
namespace test {
bool Http2Random::OneIn(int n) {
return base::RandGenerator(n) == 0;
}
int32_t Http2Random::Uniform(int32_t n) {
return base::RandGenerator(n);
}
uint8_t Http2Random::Rand8() {
return base::RandGenerator(
static_cast<uint64_t>(std::numeric_limits<uint8_t>::max()) + 1);
}
uint16_t Http2Random::Rand16() {
return base::RandGenerator(
static_cast<uint64_t>(std::numeric_limits<uint16_t>::max()) + 1);
}
uint32_t Http2Random::Rand32() {
return base::RandGenerator(
static_cast<uint64_t>(std::numeric_limits<uint32_t>::max()) + 1);
}
uint64_t Http2Random::Rand64() {
return base::RandUint64();
}
int32_t Http2Random::Next() {
return Rand32();
}
int32_t Http2Random::Skewed(int max_log) {
const uint32_t base = Rand32() % (max_log + 1);
const uint32_t mask = ((base < 32) ? (1u << base) : 0u) - 1u;
return Rand32() & mask;
}
Http2String Http2Random::RandString(int length) {
std::unique_ptr<char[]> buffer(new char[length]);
base::RandBytes(buffer.get(), length);
return Http2String(buffer.get(), length);
}
} // namespace test
} // namespace net