upload android base code part3

android/art/runtime/zip_archive_test.cc

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2011 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 "zip_archive.h"
+
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <zlib.h>
+#include <memory>
+
+#include "base/unix_file/fd_file.h"
+#include "common_runtime_test.h"
+#include "os.h"
+
+namespace art {
+
+class ZipArchiveTest : public CommonRuntimeTest {};
+
+TEST_F(ZipArchiveTest, FindAndExtract) {
+  std::string error_msg;
+  std::unique_ptr<ZipArchive> zip_archive(ZipArchive::Open(GetLibCoreDexFileNames()[0].c_str(), &error_msg));
+  ASSERT_TRUE(zip_archive.get() != nullptr) << error_msg;
+  ASSERT_TRUE(error_msg.empty());
+  std::unique_ptr<ZipEntry> zip_entry(zip_archive->Find("classes.dex", &error_msg));
+  ASSERT_TRUE(zip_entry.get() != nullptr);
+  ASSERT_TRUE(error_msg.empty());
+
+  ScratchFile tmp;
+  ASSERT_NE(-1, tmp.GetFd());
+  std::unique_ptr<File> file(new File(tmp.GetFd(), tmp.GetFilename(), false));
+  ASSERT_TRUE(file.get() != nullptr);
+  bool success = zip_entry->ExtractToFile(*file, &error_msg);
+  ASSERT_TRUE(success) << error_msg;
+  ASSERT_TRUE(error_msg.empty());
+  file.reset(nullptr);
+
+  uint32_t computed_crc = crc32(0L, Z_NULL, 0);
+  int fd = open(tmp.GetFilename().c_str(), O_RDONLY);
+  ASSERT_NE(-1, fd);
+  const size_t kBufSize = 32768;
+  uint8_t buf[kBufSize];
+  while (true) {
+    ssize_t bytes_read = TEMP_FAILURE_RETRY(read(fd, buf, kBufSize));
+    if (bytes_read == 0) {
+      break;
+    }
+    computed_crc = crc32(computed_crc, buf, bytes_read);
+  }
+  EXPECT_EQ(zip_entry->GetCrc32(), computed_crc);
+}
+
+}  // namespace art