Include Vendor

vendor/hamcrest/hamcrest-php/hamcrest/Hamcrest/Text/IsEmptyString.php

@@ -0,0 +1,85 @@
+<?php
+namespace Hamcrest\Text;
+
+/*
+ Copyright (c) 2009 hamcrest.org
+ */
+use Hamcrest\BaseMatcher;
+use Hamcrest\Core\AnyOf;
+use Hamcrest\Core\IsNull;
+use Hamcrest\Description;
+
+/**
+ * Matches empty Strings (and null).
+ */
+class IsEmptyString extends BaseMatcher
+{
+
+    private static $_INSTANCE;
+    private static $_NULL_OR_EMPTY_INSTANCE;
+    private static $_NOT_INSTANCE;
+
+    private $_empty;
+
+    public function __construct($empty = true)
+    {
+        $this->_empty = $empty;
+    }
+
+    public function matches($item)
+    {
+        return $this->_empty
+            ? ($item === '')
+            : is_string($item) && $item !== '';
+    }
+
+    public function describeTo(Description $description)
+    {
+        $description->appendText($this->_empty ? 'an empty string' : 'a non-empty string');
+    }
+
+    /**
+     * Matches if value is a zero-length string.
+     *
+     * @factory emptyString
+     */
+    public static function isEmptyString()
+    {
+        if (!self::$_INSTANCE) {
+            self::$_INSTANCE = new self(true);
+        }
+
+        return self::$_INSTANCE;
+    }
+
+    /**
+     * Matches if value is null or a zero-length string.
+     *
+     * @factory nullOrEmptyString
+     */
+    public static function isEmptyOrNullString()
+    {
+        if (!self::$_NULL_OR_EMPTY_INSTANCE) {
+            self::$_NULL_OR_EMPTY_INSTANCE = AnyOf::anyOf(
+                IsNull::nullvalue(),
+                self::isEmptyString()
+            );
+        }
+
+        return self::$_NULL_OR_EMPTY_INSTANCE;
+    }
+
+    /**
+     * Matches if value is a non-zero-length string.
+     *
+     * @factory nonEmptyString
+     */
+    public static function isNonEmptyString()
+    {
+        if (!self::$_NOT_INSTANCE) {
+            self::$_NOT_INSTANCE = new self(false);
+        }
+
+        return self::$_NOT_INSTANCE;
+    }
+}