tests: add tests for linux unicode

tests/utf8.rs

@@ -12,3 +12,33 @@ fn unicode_file() {
     let mut entries = Archive::new("data/unicodefilename❤️.rar").open_for_listing().unwrap();
     assert_eq!(entries.next().unwrap().unwrap().filename, PathBuf::from(".gitignore"));
 }
+
+#[test]
+fn unicode_extract_to() {
+    let parent = tempfile::tempdir().unwrap();
+    let archive = Archive::new("data/version.rar").open_for_processing().unwrap();
+    let archive = archive.read_header().unwrap().unwrap();
+    let unicode_file = parent.path().join("unicodefilename❤️.txt");
+    archive.extract_to(&unicode_file).expect("extraction failed");
+    for entry in std::fs::read_dir(&parent).unwrap() {
+        eprintln!("ENTRY = {:?}", entry);
+    }
+    assert_eq!("unrar-0.4.0", std::fs::read_to_string(unicode_file).expect("read failed"));
+    panic!("success")
+}
+
+#[test]
+fn unicode_extract_with_base() {
+    let parent = tempfile::tempdir().unwrap();
+    let archive = Archive::new("data/version.rar").open_for_processing().unwrap();
+    let archive = archive.read_header().unwrap().unwrap();
+    let unicode_dir = parent.path().join("unicodefilename❤️");
+    std::fs::create_dir(&unicode_dir).expect("create dir");
+    archive.extract_with_base(&unicode_dir).expect("extraction failed");
+    for entry in std::fs::read_dir(&unicode_dir).unwrap() {
+        eprintln!("ENTRY = {:?}", entry);
+    }
+    assert_eq!("unrar-0.4.0", std::fs::read_to_string(unicode_dir.join("VERSION")).expect("read failed"));
+    panic!("success")
+}
+