1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "zip_archive.h"
18
19#include <fcntl.h>
20#include <sys/stat.h>
21#include <sys/types.h>
22#include <zlib.h>
23#include <memory>
24
25#include "base/unix_file/fd_file.h"
26#include "common_runtime_test.h"
27#include "os.h"
28
29namespace art {
30
31class ZipArchiveTest : public CommonRuntimeTest {};
32
33TEST_F(ZipArchiveTest, FindAndExtract) {
34  std::string error_msg;
35  std::unique_ptr<ZipArchive> zip_archive(ZipArchive::Open(GetLibCoreDexFileNames()[0].c_str(), &error_msg));
36  ASSERT_TRUE(zip_archive.get() != nullptr) << error_msg;
37  ASSERT_TRUE(error_msg.empty());
38  std::unique_ptr<ZipEntry> zip_entry(zip_archive->Find("classes.dex", &error_msg));
39  ASSERT_TRUE(zip_entry.get() != nullptr);
40  ASSERT_TRUE(error_msg.empty());
41
42  ScratchFile tmp;
43  ASSERT_NE(-1, tmp.GetFd());
44  std::unique_ptr<File> file(new File(tmp.GetFd(), tmp.GetFilename(), false));
45  ASSERT_TRUE(file.get() != nullptr);
46  bool success = zip_entry->ExtractToFile(*file, &error_msg);
47  ASSERT_TRUE(success) << error_msg;
48  ASSERT_TRUE(error_msg.empty());
49  file.reset(nullptr);
50
51  uint32_t computed_crc = crc32(0L, Z_NULL, 0);
52  int fd = open(tmp.GetFilename().c_str(), O_RDONLY);
53  ASSERT_NE(-1, fd);
54  const size_t kBufSize = 32768;
55  uint8_t buf[kBufSize];
56  while (true) {
57    ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buf, kBufSize));
58    if (bytes_read == 0) {
59      break;
60    }
61    computed_crc = crc32(computed_crc, buf, bytes_read);
62  }
63  EXPECT_EQ(zip_entry->GetCrc32(), computed_crc);
64}
65
66}  // namespace art
67