Add unit test against very large messages.

paragonie · Feb 5, 2018 · 8964da4 · 8964da4
1 parent c30efaf
commit 8964da4
Showing 1 changed file with 26 additions and 0 deletions.
diff --git a/test/unit/SymmetricTest.php b/test/unit/SymmetricTest.php
@@ -94,6 +94,32 @@ public function testEncrypt()
         $this->assertSame($plain->getString(), 'test message');
     }
 
+    /**
+     * @throws CryptoException\CannotPerformOperation
+     * @throws CryptoException\InvalidDigestLength
+     * @throws CryptoException\InvalidKey
+     * @throws CryptoException\InvalidMessage
+     * @throws CryptoException\InvalidSignature
+     * @throws CryptoException\InvalidType
+     * @throws TypeError
+     */
+    public function testEncryptLarge()
+    {
+        $msg = str_repeat("\xff", 1 << 17);
+        $key = new EncryptionKey(new HiddenString(str_repeat('A', 32)));
+        $message = Symmetric::encrypt(
+            new HiddenString($msg),
+            $key
+        );
+        $this->assertSame(
+            strpos($message, Halite::VERSION_PREFIX),
+            0
+        );
+
+        $plain = Symmetric::decrypt($message, $key);
+        $this->assertSame($plain->getString(), $msg);
+    }
+
     /**
      * @throws CryptoException\CannotPerformOperation
      * @throws CryptoException\InvalidDigestLength