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base / time / time_fuzzer.cc [blame]
// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <fuzzer/FuzzedDataProvider.h>
#include <stddef.h>
#include <stdint.h>
#include <string>
#include <tuple>
#include "base/test/icu_test_util.h"
#include "base/time/time.h"
namespace {
void FuzzStringConversions(const uint8_t* data, size_t size) {
FuzzedDataProvider provider(data, size);
std::string str = provider.ConsumeRemainingBytesAsString();
base::Time dummy;
std::ignore = base::Time::FromString(str.c_str(), &dummy);
std::ignore = base::Time::FromUTCString(str.c_str(), &dummy);
}
void FuzzExplodedConversions(const uint8_t* data, size_t size) {
FuzzedDataProvider provider(data, size);
base::Time::Exploded exploded = {
.year = provider.ConsumeIntegral<int>(),
.month = provider.ConsumeIntegral<int>(),
.day_of_week = provider.ConsumeIntegral<int>(),
.day_of_month = provider.ConsumeIntegral<int>(),
.hour = provider.ConsumeIntegral<int>(),
.minute = provider.ConsumeIntegral<int>(),
.second = provider.ConsumeIntegral<int>(),
.millisecond = provider.ConsumeIntegral<int>(),
};
base::Time dummy;
std::ignore = base::Time::FromUTCExploded(exploded, &dummy);
std::ignore = base::Time::FromLocalExploded(exploded, &dummy);
}
} // namespace
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
// Fuzz with a constant time zone to make reproduction of bugs easier.
base::test::ScopedRestoreDefaultTimezone test_tz("America/Los_Angeles");
FuzzStringConversions(data, size);
FuzzExplodedConversions(data, size);
return 0;
}