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// Copyright 2015 The Chromium 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 "base/at_exit.h"
#include "base/i18n/icu_util.h"
#include "url/gurl.h"
struct TestCase {
TestCase() { CHECK(base::i18n::InitializeICU()); }
// used by ICU integration.
base::AtExitManager at_exit_manager;
};
TestCase* test_case = new TestCase();
// Empty replacements cause no change when applied.
GURL::Replacements* no_op = new GURL::Replacements();
// Entry point for LibFuzzer.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
if (size < 1)
return 0;
base::StringPiece string_piece_input(reinterpret_cast<const char*>(data),
size);
GURL url_from_string_piece(string_piece_input);
// Copying by applying empty replacements exercises interesting code paths.
// This can help discover issues like https://crbug.com/1075515.
GURL copy = url_from_string_piece.ReplaceComponents(*no_op);
CHECK_EQ(url_from_string_piece.is_valid(), copy.is_valid());
if (url_from_string_piece.is_valid()) {
CHECK_EQ(url_from_string_piece.spec(), copy.spec());
}
// Test for StringPiece16 if size is even.
if (size % 2 == 0) {
base::StringPiece16 string_piece_input16(
reinterpret_cast<const base::char16*>(data), size / 2);
GURL url_from_string_piece16(string_piece_input16);
}
// Resolve relative url tests.
size_t size_t_bytes = sizeof(size_t);
if (size < size_t_bytes + 1) {
return 0;
}
size_t relative_size =
*reinterpret_cast<const size_t*>(data) % (size - size_t_bytes);
std::string relative_string(
reinterpret_cast<const char*>(data + size_t_bytes), relative_size);
base::StringPiece string_piece_part_input(
reinterpret_cast<const char*>(data + size_t_bytes + relative_size),
size - relative_size - size_t_bytes);
GURL url_from_string_piece_part(string_piece_part_input);
url_from_string_piece_part.Resolve(relative_string);
if (relative_size % 2 == 0) {
base::string16 relative_string16(
reinterpret_cast<const base::char16*>(data + size_t_bytes),
relative_size / 2);
url_from_string_piece_part.Resolve(relative_string16);
}
return 0;
}
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