1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include <stddef.h>
6 #include <stdint.h>
7
8 #include <algorithm>
9 #include <array>
10 #include <memory>
11 #include <vector>
12
13 #include "third_party/icu/source/common/unicode/unistr.h"
14 #include "third_party/icu/source/common/unicode/ucnv.h"
15 #include "third_party/icu/fuzzers/fuzzer_utils.h"
16
17 IcuEnvironment* env = new IcuEnvironment();
18
19 template <typename T>
20 using deleted_unique_ptr = std::unique_ptr<T, std::function<void(T*)>>;
21
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)22 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
23 UErrorCode status = U_ZERO_ERROR;
24 auto rng = CreateRng(data, size);
25 icu::UnicodeString str(UnicodeStringFromUtf8(data, size));
26
27 const char* converter_name =
28 ucnv_getAvailableName(rng() % ucnv_countAvailable());
29
30 deleted_unique_ptr<UConverter> converter(ucnv_open(converter_name, &status),
31 &ucnv_close);
32
33 if (U_FAILURE(status))
34 return 0;
35
36 static const size_t dest_buffer_size = 1024 * 1204;
37 static const std::unique_ptr<char[]> dest_buffer(new char[dest_buffer_size]);
38
39 str.extract(dest_buffer.get(), dest_buffer_size, converter.get(), status);
40
41 if (U_FAILURE(status))
42 return 0;
43
44 return 0;
45 }
46