early testing work

core-java/src/test/java/org/baeldung/java/io/JavaFileIntegrationTest.java

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+package org.baeldung.java.io;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.FileSystemException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.apache.commons.io.FileUtils;
+import org.junit.Test;
+
+public class JavaFileIntegrationTest {
+
+    // create a file
+
+    @Test
+    public void givenUsingJDK6_whenCreatingFile_thenCorrect() throws IOException {
+        final File newFile = new File("src/test/resources/newFile_jdk6.txt");
+        newFile.createNewFile();
+    }
+
+    @Test
+    public void givenUsingJDK7nio2_whenCreatingFile_thenCorrect() throws IOException {
+        final Path newFilePath = Paths.get("src/test/resources/newFile_jdk7.txt");
+        Files.createFile(newFilePath);
+    }
+
+    @Test
+    public void givenUsingApache_whenCreatingFile_thenCorrect() throws IOException {
+        FileUtils.touch(new File("src/test/resources/newFile_commonsio.txt"));
+    }
+
+    // move a file
+
+    @Test
+    public void givenUsingJDK6_whenMovingFile_thenCorrect() throws IOException {
+        final File fileToMove = new File("src/test/resources/toMoveFile_jdk6.txt");
+        fileToMove.exists();
+        final File destDir = new File("src/test/resources/");
+        destDir.mkdir();
+
+        final boolean isMoved = fileToMove.renameTo(new File("src/test/resources/movedFile_jdk6.txt"));
+        if (!isMoved) {
+            throw new FileSystemException("src/test/resources/movedFile_jdk6.txt");
+        }
+    }
+
+    @Test
+    public void givenUsingJDK7Nio2_whenMovingFile_thenCorrect() throws IOException {
+        final Path fileToMovePath = Files.createFile(Paths.get("src/test/resources/fileToMove.txt"));
+        final Path dirPath = Paths.get("src/test/resources/");
+        final Path targetPath = Files.createDirectory(dirPath);
+
+        Files.move(fileToMovePath, targetPath.resolve(fileToMovePath.getFileName()));
+    }
+
+    @Test
+    public void givenUsingGuava_whenMovingFile_thenCorrect() throws IOException {
+        final File fileToMove = new File("src/test/resources/fileToMove.txt");
+        fileToMove.createNewFile();
+        final File destDir = new File("src/test/resources/");
+        final File targetFile = new File(destDir, fileToMove.getName());
+        com.google.common.io.Files.createParentDirs(targetFile);
+        com.google.common.io.Files.move(fileToMove, targetFile);
+    }
+
+    @Test
+    public void givenUsingApache_whenMovingFile_thenCorrect() throws IOException {
+        FileUtils.moveFile(FileUtils.getFile("src/test/resources/fileToMove.txt"), FileUtils.getFile("src/test/resources/fileMoved.txt"));
+    }
+
+    // rename a file
+
+}