From 79ac24af271ee86fa9668ed0c3471aa9f1dfcc09 Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Sat, 23 Sep 2017 15:14:30 +0200
Subject: [PATCH] Add testes for the padding functions

---
 README.md                     | 14 ++++++++++++++
 SodiumTests/ReadmeTests.swift | 11 +++++++++++
 2 files changed, 25 insertions(+)

diff --git a/README.md b/README.md
index 5ee1c2c..e0515b5 100644
--- a/README.md
+++ b/README.md
@@ -327,6 +327,20 @@ let secret2 = "Secret key".data(using:.utf8)!
 let equality = sodium.utils.equals(secret1, secret2)
 ```
 
+Padding
+-------
+
+```swift
+let sodium = Sodium()
+var data = "test".toData()!
+
+// make data.count a multiple of 16
+sodium.utils.pad(data: &data, blockSize: 16)!
+
+// restore original size
+sodium.utils.unpad(data: &data, blockSize: 16)!
+```
+
 Constant-time hexadecimal encoding
 ----------------------------------
 
diff --git a/SodiumTests/ReadmeTests.swift b/SodiumTests/ReadmeTests.swift
index efe0f46..26a475c 100644
--- a/SodiumTests/ReadmeTests.swift
+++ b/SodiumTests/ReadmeTests.swift
@@ -254,4 +254,15 @@ class ReadmeTests : XCTestCase {
         XCTAssertEqual(data2, "data".toData())
         XCTAssertEqual(data3, "data".toData())
     }
+    
+    func testPadding() {
+        let sodium = Sodium()
+        var data = "test".toData()!
+        
+        // make data.count a multiple of 16
+        sodium.utils.pad(data: &data, blockSize: 16)!
+        
+        // restore original size
+        sodium.utils.unpad(data: &data, blockSize: 16)!
+    }
 }