add test and comment

Fileable.xcodeproj/project.pbxproj

@@ -23,6 +23,7 @@
 /* Begin PBXBuildFile section */
 		25DF38DA21932D5A004D5123 /* BasicOperation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2520021B219329420052BBA8 /* BasicOperation.swift */; };
 		25DF38DB21932D5C004D5123 /* Info.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2520021D2193294A0052BBA8 /* Info.swift */; };
+		25F1EFE4219B419900687C37 /* iOSDirs.swift in Sources */ = {isa = PBXBuildFile; fileRef = 25F1EFE3219B419900687C37 /* iOSDirs.swift */; };
 		OBJ_28 /* Errors.swift in Sources */ = {isa = PBXBuildFile; fileRef = OBJ_9 /* Errors.swift */; };
 		OBJ_29 /* FHS+Fileable.swift in Sources */ = {isa = PBXBuildFile; fileRef = OBJ_10 /* FHS+Fileable.swift */; };
 		OBJ_30 /* Fileable+StoredProperties.swift in Sources */ = {isa = PBXBuildFile; fileRef = OBJ_11 /* Fileable+StoredProperties.swift */; };
@@ -55,6 +56,7 @@
 /* Begin PBXFileReference section */
 		2520021B219329420052BBA8 /* BasicOperation.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BasicOperation.swift; sourceTree = "<group>"; };
 		2520021D2193294A0052BBA8 /* Info.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Info.swift; sourceTree = "<group>"; };
+		25F1EFE3219B419900687C37 /* iOSDirs.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = iOSDirs.swift; sourceTree = "<group>"; };
 		"Fileable::Fileable::Product" /* Fileable.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; path = Fileable.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		"Fileable::FileableTests::Product" /* FileableTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; path = FileableTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		OBJ_10 /* FHS+Fileable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "FHS+Fileable.swift"; sourceTree = "<group>"; };
@@ -103,6 +105,7 @@
 				2520021B219329420052BBA8 /* BasicOperation.swift */,
 				OBJ_17 /* FileableTestMain.swift */,
 				OBJ_18 /* XCTest.swift */,
+				25F1EFE3219B419900687C37 /* iOSDirs.swift */,
 			);
 			name = FileableTests;
 			path = Tests/FileableTests;
@@ -241,6 +244,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 0;
 			files = (
+				25F1EFE4219B419900687C37 /* iOSDirs.swift in Sources */,
 				OBJ_28 /* Errors.swift in Sources */,
 				OBJ_29 /* FHS+Fileable.swift in Sources */,
 				OBJ_30 /* Fileable+StoredProperties.swift in Sources */,

Sources/Fileable/iOS+Fileable.swift

@@ -51,13 +51,19 @@ extension Path {
 
 
 
+
+/// iOSDir enum is list of iOS application directories
 public enum iOSDir {
+    
+    /// .document returns iOS Documents directory
     case document
     case inbox
     case library
     case cache
     case tmp
     
+    
+    /// path propaty returns directory path as String type
     var path: String! {
         switch self {
         

Tests/FileableTests/BasicOperation.swift

@@ -33,6 +33,16 @@ class BasicOperation: XCTestCase {
         XCTAssertEqual(current, moved)
     }
     
+    func testPwdMoveDir() {
+        let current: String = Path.pwd
+        
+        Path.pwd = Path.pwd
+        
+        let moved: String = Path.pwd
+        
+        XCTAssertEqual(current, moved)
+    }
+    
     
     func testPwd() {
         let current: String = Path.pwd

Tests/FileableTests/iOSDirs.swift

@@ -0,0 +1,43 @@
+//
+//  iOSDirs.swift
+//  Fileable
+//
+//  Created by Shota Shimazu on 2018/11/14.
+//
+
+import XCTest
+@testable import Fileable
+
+
+class IOSDirs: XCTestCase {
+    
+    override func setUp() {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+    
+    override func tearDown() {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+    
+    func testIOSDir() {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct results.
+        
+        let documentDirectory: String = iOSDir.document.path
+        let libraryDirectory: String = iOSDir.library.path
+        
+        NSLog("LOG: ")
+        NSLog(documentDirectory)
+        NSLog(libraryDirectory)
+        // XCTAssertEqual(current, moved)
+    }
+
+    
+    func testPerformanceExample() {
+        // This is an example of a performance test case.
+        self.measure {
+            // Put the code you want to measure the time of here.
+        }
+    }
+    
+}