blob: b6a66633b5c89de96c621b0ccf86e3cf37dc9d10 [file] [log] [blame]
// Copyright 2019 PDFium 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 "xfa/fgas/crt/cfgas_stringformatter.h"
#include <stdint.h>
#include "core/fxcrt/fx_memory.h"
#include "core/fxcrt/fx_string.h"
#include "third_party/base/ptr_util.h"
#include "xfa/fxfa/parser/cxfa_localemgr.h"
namespace {
const wchar_t* const kLocales[] = {L"en", L"fr", L"jp", L"zh"};
const FX_DATETIMETYPE kTypes[] = {FX_DATETIMETYPE_Date, FX_DATETIMETYPE_Time,
FX_DATETIMETYPE_DateTime,
FX_DATETIMETYPE_TimeDate};
} // namespace
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
if (size < 5 || size > 128) // Big strings are unlikely to help.
return 0;
// Static for speed.
static std::vector<std::unique_ptr<CXFA_LocaleMgr>> mgrs;
if (mgrs.empty()) {
for (const auto* locale : kLocales)
mgrs.push_back(pdfium::MakeUnique<CXFA_LocaleMgr>(nullptr, locale));
}
uint8_t test_selector = data[0] % 10;
uint8_t locale_selector = data[1] % FX_ArraySize(kLocales);
uint8_t type_selector = data[2] % FX_ArraySize(kTypes);
data += 3;
size -= 3;
size_t pattern_len = size / 2;
size_t value_len = size - pattern_len;
WideString pattern =
WideString::FromLatin1(ByteStringView(data, pattern_len));
WideString value =
WideString::FromLatin1(ByteStringView(data + pattern_len, value_len));
auto fmt = pdfium::MakeUnique<CFGAS_StringFormatter>(
mgrs[locale_selector].get(), pattern);
WideString result;
CFX_DateTime dt;
switch (test_selector) {
case 0:
fmt->FormatText(value, &result);
break;
case 1:
fmt->FormatNum(value, &result);
break;
case 2:
fmt->FormatDateTime(value, kTypes[type_selector], &result);
break;
case 3:
fmt->FormatNull(&result);
break;
case 4:
fmt->FormatZero(&result);
break;
case 5:
fmt->ParseText(value, &result);
break;
case 6:
fmt->ParseNum(value, &result);
break;
case 7:
fmt->ParseDateTime(value, kTypes[type_selector], &dt);
break;
case 8:
fmt->ParseNull(value);
break;
case 9:
fmt->ParseZero(value);
break;
}
return 0;
}