docs for int and string backed enums

arch-testing.md

@@ -14,10 +14,12 @@ Architecture testing enables you to specify expectations that test whether your
 - [`toBeAbstract()`](#expect-toBeAbstract)
 - [`toBeClasses()`](#expect-toBeClasses)
 - [`toBeEnums()`](#expect-toBeEnums)
+- [`toBeIntBackedEnums()`](#expect-toBeIntBackedEnums)
 - [`toBeInterfaces()`](#expect-toBeInterfaces)
 - [`toBeInvokable()`](#expect-toBeInvokable)
 - [`toBeFinal()`](#expect-toBeFinal)
 - [`toBeReadonly()`](#expect-toBeReadonly)
+- [`toBeStringBackedEnums()`](#expect-toBeStringBackedEnums)
 - [`toBeTraits()`](#expect-toBeTraits)
 - [`toBeUsed()`](#expect-toBeUsed)
 - [`toBeUsedIn()`](#expect-toBeUsedIn)
@@ -73,6 +75,17 @@ test('app')
     ->toBeEnums();
 ```
 
+<a name="expect-toBeIntBackedEnums"></a>
+### `toBeIntBackedEnums()`
+
+The `toBeIntBackedEnums()` method may be used to ensure that all files within a given namespace are backed by an integer.
+
+```php
+test('app')
+    ->expect('App\Enums')
+    ->toBeIntBackedEnums();
+```
+
 <a name="expect-toBeInterfaces"></a>
 ### `toBeInterfaces()`
 
@@ -146,6 +159,17 @@ test('app')
     ->toBeReadonly();
 ```
 
+<a name="expect-toBeStringBackedEnums"></a>
+### `toBeStringBackedEnums()`
+
+The `toBeStringBackedEnums()` method may be used to ensure that all files within a given namespace are backed by a string.
+
+```php
+test('app')
+    ->expect('App\Enums')
+    ->toBeStringBackedEnums();
+```
+
 <a name="expect-toBeUsed"></a>
 ### `toBeUsed()`