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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "ziparchive/zip_archive.h"
#include <errno.h>
#include <getopt.h>
#include <stdio.h>
#include <unistd.h>
#include <vector>
#include <gtest/gtest.h>
static std::string test_data_dir;
static const std::string kValidZip = "valid.zip";
static const uint8_t kATxtContents[] = {
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
'\n'
};
static const uint8_t kBTxtContents[] = {
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
'\n'
};
static int32_t OpenArchiveWrapper(const std::string& name,
ZipArchiveHandle* handle) {
const std::string abs_path = test_data_dir + "/" + name;
return OpenArchive(abs_path.c_str(), handle);
}
static void AssertNameEquals(const std::string& name_str,
const ZipEntryName& name) {
ASSERT_EQ(name_str.size(), name.name_length);
ASSERT_EQ(0, memcmp(name_str.c_str(), name.name, name.name_length));
}
TEST(ziparchive, Open) {
ZipArchiveHandle handle;
ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle));
CloseArchive(handle);
}
TEST(ziparchive, Iteration) {
ZipArchiveHandle handle;
ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle));
void* iteration_cookie;
ASSERT_EQ(0, StartIteration(handle, &iteration_cookie, NULL));
ZipEntry data;
ZipEntryName name;
// b/c.txt
ASSERT_EQ(0, Next(iteration_cookie, &data, &name));
AssertNameEquals("b/c.txt", name);
// b/d.txt
ASSERT_EQ(0, Next(iteration_cookie, &data, &name));
AssertNameEquals("b/d.txt", name);
// a.txt
ASSERT_EQ(0, Next(iteration_cookie, &data, &name));
AssertNameEquals("a.txt", name);
// b.txt
ASSERT_EQ(0, Next(iteration_cookie, &data, &name));
AssertNameEquals("b.txt", name);
// b/
ASSERT_EQ(0, Next(iteration_cookie, &data, &name));
AssertNameEquals("b/", name);
// End of iteration.
ASSERT_EQ(-1, Next(iteration_cookie, &data, &name));
CloseArchive(handle);
}
TEST(ziparchive, FindEntry) {
ZipArchiveHandle handle;
ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle));
ZipEntry data;
ASSERT_EQ(0, FindEntry(handle, "a.txt", &data));
// Known facts about a.txt, from zipinfo -v.
ASSERT_EQ(63, data.offset);
ASSERT_EQ(kCompressDeflated, data.method);
ASSERT_EQ(static_cast<uint32_t>(17), data.uncompressed_length);
ASSERT_EQ(static_cast<uint32_t>(13), data.compressed_length);
ASSERT_EQ(0x950821c5, data.crc32);
// An entry that doesn't exist. Should be a negative return code.
ASSERT_LT(FindEntry(handle, "nonexistent.txt", &data), 0);
CloseArchive(handle);
}
TEST(ziparchive, ExtractToMemory) {
ZipArchiveHandle handle;
ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle));
// An entry that's deflated.
ZipEntry data;
ASSERT_EQ(0, FindEntry(handle, "a.txt", &data));
const uint32_t a_size = data.uncompressed_length;
ASSERT_EQ(a_size, sizeof(kATxtContents));
uint8_t* buffer = new uint8_t[a_size];
ASSERT_EQ(0, ExtractToMemory(handle, &data, buffer, a_size));
ASSERT_EQ(0, memcmp(buffer, kATxtContents, a_size));
delete[] buffer;
// An entry that's stored.
ASSERT_EQ(0, FindEntry(handle, "b.txt", &data));
const uint32_t b_size = data.uncompressed_length;
ASSERT_EQ(b_size, sizeof(kBTxtContents));
buffer = new uint8_t[b_size];
ASSERT_EQ(0, ExtractToMemory(handle, &data, buffer, b_size));
ASSERT_EQ(0, memcmp(buffer, kBTxtContents, b_size));
delete[] buffer;
CloseArchive(handle);
}
TEST(ziparchive, ExtractToFile) {
char kTempFilePattern[] = "zip_archive_test_XXXXXX";
int fd = mkstemp(kTempFilePattern);
ASSERT_NE(-1, fd);
const uint8_t data[8] = { '1', '2', '3', '4', '5', '6', '7', '8' };
const ssize_t data_size = sizeof(data);
ASSERT_EQ(data_size, TEMP_FAILURE_RETRY(write(fd, data, data_size)));
ZipArchiveHandle handle;
ASSERT_EQ(0, OpenArchiveWrapper(kValidZip, &handle));
ZipEntry entry;
ASSERT_EQ(0, FindEntry(handle, "a.txt", &entry));
ASSERT_EQ(0, ExtractEntryToFile(handle, &entry, fd));
// Assert that the first 8 bytes of the file haven't been clobbered.
uint8_t read_buffer[data_size];
ASSERT_EQ(0, lseek64(fd, 0, SEEK_SET));
ASSERT_EQ(data_size, TEMP_FAILURE_RETRY(read(fd, read_buffer, data_size)));
ASSERT_EQ(0, memcmp(read_buffer, data, data_size));
// Assert that the remainder of the file contains the incompressed data.
std::vector<uint8_t> uncompressed_data(entry.uncompressed_length);
ASSERT_EQ(static_cast<ssize_t>(entry.uncompressed_length),
TEMP_FAILURE_RETRY(
read(fd, &uncompressed_data[0], entry.uncompressed_length)));
ASSERT_EQ(0, memcmp(&uncompressed_data[0], kATxtContents,
sizeof(kATxtContents)));
// Assert that the total length of the file is sane
ASSERT_EQ(data_size + sizeof(kATxtContents), lseek64(fd, 0, SEEK_END));
close(fd);
}
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
static struct option options[] = {
{ "test_data_dir", required_argument, NULL, 't' },
{ NULL, 0, NULL, 0 }
};
while (true) {
int option_index;
const int c = getopt_long_only(argc, argv, "", options, &option_index);
if (c == -1) {
break;
}
if (c == 't') {
test_data_dir = optarg;
}
}
if (test_data_dir.size() == 0) {
printf("Test data flag (--test_data_dir) required\n\n");
return -1;
}
if (test_data_dir[0] != '/') {
printf("Test data must be an absolute path, was %s\n\n",
test_data_dir.c_str());
return -2;
}
return RUN_ALL_TESTS();
}
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