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[yaffs-website] / vendor / phpunit / phpunit / src / Framework / Constraint / IsEmpty.php

diff --git a/vendor/phpunit/phpunit/src/Framework/Constraint/IsEmpty.php b/vendor/phpunit/phpunit/src/Framework/Constraint/IsEmpty.php
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+<?php
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Constraint that checks whether a variable is empty().
+ *
+ * @since Class available since Release 3.5.0
+ */
+class PHPUnit_Framework_Constraint_IsEmpty extends PHPUnit_Framework_Constraint
+{
+    /**
+     * Evaluates the constraint for parameter $other. Returns true if the
+     * constraint is met, false otherwise.
+     *
+     * @param mixed $other Value or object to evaluate.
+     *
+     * @return bool
+     */
+    protected function matches($other)
+    {
+        if ($other instanceof Countable) {
+            return count($other) === 0;
+        }
+
+        return empty($other);
+    }
+
+    /**
+     * Returns a string representation of the constraint.
+     *
+     * @return string
+     */
+    public function toString()
+    {
+        return 'is empty';
+    }
+
+    /**
+     * Returns the description of the failure
+     *
+     * The beginning of failure messages is "Failed asserting that" in most
+     * cases. This method should return the second part of that sentence.
+     *
+     * @param mixed $other Evaluated value or object.
+     *
+     * @return string
+     */
+    protected function failureDescription($other)
+    {
+        $type = gettype($other);
+
+        return sprintf(
+            '%s %s %s',
+            $type[0] == 'a' || $type[0] == 'o' ? 'an' : 'a',
+            $type,
+            $this->toString()
+        );
+    }
+}