+++ /dev/null
-// © 2019 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-
-// Fuzzer for ucasemap.
-
-#include <stddef.h>
-#include <stdint.h>
-#include <memory>
-#include "fuzzer_utils.h"
-#include "unicode/ucasemap.h"
-
-IcuEnvironment* env = new IcuEnvironment();
-
-template<typename T>
-using deleted_unique_ptr = std::unique_ptr<T,std::function<void(T*)>>;
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
- UErrorCode status = U_ZERO_ERROR;
- uint8_t rnd8 = 0;
- uint16_t rnd16 = 0;
- uint32_t rnd32 = 0;
-
- if (size < 7) {
- return 0;
- }
- // Extract one, two, and four bytes from fuzzer data for random selection
- // purposes.
- rnd8 = *data;
- data++;
- rnd16 = *(reinterpret_cast<const uint16_t *>(data));
- data = data + 2;
- rnd32 = *(reinterpret_cast<const uint32_t *>(data));
- data = data + 4;
- size = size - 7;
-
- std::unique_ptr<char[]> fuzzbuff(new char[size]);
- std::memcpy(fuzzbuff.get(), data, size);
-
- const icu::Locale& locale = GetRandomLocale(rnd16);
- uint32_t open_flags = rnd32;
-
- deleted_unique_ptr<UCaseMap> csm(
- ucasemap_open(locale.getName(), open_flags, &status),
- [](UCaseMap* map) { ucasemap_close(map); });
-
- if (U_FAILURE(status)) {
- return 0;
- }
-
- int32_t dst_size = size * 2;
- std::unique_ptr<char[]> dst(new char[dst_size]);
- auto src = reinterpret_cast<const char*>(fuzzbuff.get());
-
- switch (rnd8 % 4) {
- case 0: ucasemap_utf8ToLower(csm.get(), dst.get(), dst_size, src, size,
- &status);
- break;
- case 1: ucasemap_utf8ToUpper(csm.get(), dst.get(), dst_size, src, size,
- &status);
- break;
- case 2: ucasemap_utf8ToTitle(csm.get(), dst.get(), dst_size, src, size,
- &status);
- break;
- case 3: ucasemap_utf8FoldCase(csm.get(), dst.get(), dst_size, src, size,
- &status);
- break;
- }
-
- return 0;
-}