016beb8559
If you need to do a case transformation for a Unicode string, you need to use icu4c. This only worked for ASCII, which is just silly. Luckily it doesn't seem to be used anywhere. Test: treehugger Change-Id: I4a864823ec35a0b57b50909587cc3efac3f531a7 Merged-In: I4a864823ec35a0b57b50909587cc3efac3f531a7
117 lines
5.1 KiB
C++
117 lines
5.1 KiB
C++
/*
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* Copyright 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <iostream>
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#include "fuzzer/FuzzedDataProvider.h"
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#include "utils/String16.h"
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static constexpr int MAX_STRING_BYTES = 256;
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static constexpr uint8_t MAX_OPERATIONS = 50;
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std::vector<std::function<void(FuzzedDataProvider&, android::String16, android::String16)>>
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operations = {
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// Bytes and size
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([](FuzzedDataProvider&, android::String16 str1, android::String16) -> void {
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str1.string();
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}),
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([](FuzzedDataProvider&, android::String16 str1, android::String16) -> void {
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str1.isStaticString();
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}),
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([](FuzzedDataProvider&, android::String16 str1, android::String16) -> void {
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str1.size();
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}),
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// Comparison
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([](FuzzedDataProvider&, android::String16 str1, android::String16 str2) -> void {
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str1.startsWith(str2);
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}),
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([](FuzzedDataProvider&, android::String16 str1, android::String16 str2) -> void {
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str1.contains(str2.string());
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}),
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([](FuzzedDataProvider&, android::String16 str1, android::String16 str2) -> void {
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str1.compare(str2);
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}),
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// Append and format
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([](FuzzedDataProvider&, android::String16 str1, android::String16 str2) -> void {
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str1.append(str2);
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}),
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([](FuzzedDataProvider& dataProvider, android::String16 str1,
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android::String16 str2) -> void {
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int pos = dataProvider.ConsumeIntegralInRange<int>(0, str1.size());
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str1.insert(pos, str2.string());
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}),
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// Find and replace operations
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([](FuzzedDataProvider& dataProvider, android::String16 str1,
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android::String16) -> void {
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char16_t findChar = dataProvider.ConsumeIntegral<char16_t>();
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str1.findFirst(findChar);
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}),
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([](FuzzedDataProvider& dataProvider, android::String16 str1,
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android::String16) -> void {
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char16_t findChar = dataProvider.ConsumeIntegral<char16_t>();
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str1.findLast(findChar);
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}),
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([](FuzzedDataProvider& dataProvider, android::String16 str1,
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android::String16) -> void {
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char16_t findChar = dataProvider.ConsumeIntegral<char16_t>();
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char16_t replaceChar = dataProvider.ConsumeIntegral<char16_t>();
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str1.replaceAll(findChar, replaceChar);
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}),
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([](FuzzedDataProvider& dataProvider, android::String16 str1,
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android::String16) -> void {
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size_t len = dataProvider.ConsumeIntegral<size_t>();
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size_t begin = dataProvider.ConsumeIntegral<size_t>();
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str1.remove(len, begin);
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}),
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};
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void callFunc(uint8_t index, FuzzedDataProvider& dataProvider, android::String16 str1,
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android::String16 str2) {
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operations[index](dataProvider, str1, str2);
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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FuzzedDataProvider dataProvider(data, size);
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// We're generating two char vectors.
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// First, generate lengths.
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const size_t kVecOneLen = dataProvider.ConsumeIntegralInRange<size_t>(1, MAX_STRING_BYTES);
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const size_t kVecTwoLen = dataProvider.ConsumeIntegralInRange<size_t>(1, MAX_STRING_BYTES);
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// Next, populate the vectors
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std::vector<char> vec = dataProvider.ConsumeBytesWithTerminator<char>(kVecOneLen);
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std::vector<char> vec_two = dataProvider.ConsumeBytesWithTerminator<char>(kVecTwoLen);
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// Get pointers to their data
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char* char_one = vec.data();
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char* char_two = vec_two.data();
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// Create UTF16 representations
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android::String16 str_one_utf16 = android::String16(char_one);
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android::String16 str_two_utf16 = android::String16(char_two);
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// Run operations against strings
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int opsRun = 0;
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while (dataProvider.remaining_bytes() > 0 && opsRun++ < MAX_OPERATIONS) {
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uint8_t op = dataProvider.ConsumeIntegralInRange<uint8_t>(0, operations.size() - 1);
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callFunc(op, dataProvider, str_one_utf16, str_two_utf16);
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}
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str_one_utf16.remove(0, str_one_utf16.size());
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str_two_utf16.remove(0, str_two_utf16.size());
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return 0;
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}
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