adding the full files update

vendor/hamcrest/hamcrest-php/hamcrest/Hamcrest/Collection/IsEmptyTraversable.php

@@ -0,0 +1,71 @@
+<?php
+namespace Hamcrest\Collection;
+
+/*
+ Copyright (c) 2009 hamcrest.org
+ */
+use Hamcrest\BaseMatcher;
+use Hamcrest\Description;
+
+/**
+ * Matches if traversable is empty or non-empty.
+ */
+class IsEmptyTraversable extends BaseMatcher
+{
+
+    private static $_INSTANCE;
+    private static $_NOT_INSTANCE;
+
+    private $_empty;
+
+    public function __construct($empty = true)
+    {
+        $this->_empty = $empty;
+    }
+
+    public function matches($item)
+    {
+        if (!$item instanceof \Traversable) {
+            return false;
+        }
+
+        foreach ($item as $value) {
+            return !$this->_empty;
+        }
+
+        return $this->_empty;
+    }
+
+    public function describeTo(Description $description)
+    {
+        $description->appendText($this->_empty ? 'an empty traversable' : 'a non-empty traversable');
+    }
+
+    /**
+     * Returns true if traversable is empty.
+     *
+     * @factory
+     */
+    public static function emptyTraversable()
+    {
+        if (!self::$_INSTANCE) {
+            self::$_INSTANCE = new self;
+        }
+
+        return self::$_INSTANCE;
+    }
+
+    /**
+     * Returns true if traversable is not empty.
+     *
+     * @factory
+     */
+    public static function nonEmptyTraversable()
+    {
+        if (!self::$_NOT_INSTANCE) {
+            self::$_NOT_INSTANCE = new self(false);
+        }
+
+        return self::$_NOT_INSTANCE;
+    }
+}