add test

hutool-core/src/test/java/cn/hutool/core/io/file/FileSystemUtilTest.java

@@ -0,0 +1,31 @@
+package cn.hutool.core.io.file;
+
+import cn.hutool.core.lang.Console;
+import cn.hutool.core.util.CharsetUtil;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.nio.file.FileSystem;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Path;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
+
+public class FileSystemUtilTest {
+
+	@Test
+	@Ignore
+	public void listTest(){
+		final FileSystem fileSystem = FileSystemUtil.createZip("d:/test/test.zip",
+				CharsetUtil.CHARSET_GBK);
+		final Path root = FileSystemUtil.getRoot(fileSystem);
+		PathUtil.walkFiles(root, new SimpleFileVisitor<Path>() {
+
+			@Override
+			public FileVisitResult visitFile(Path path, BasicFileAttributes attrs) {
+				Console.log(path);
+				return FileVisitResult.CONTINUE;
+			}
+		});
+	}
+}