--- /dev/null
+<?php
+
+/*
+ * This file is part of the Prophecy.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ * Marcello Duarte <marcello.duarte@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Prophecy\Comparator;
+
+use SebastianBergmann\Comparator\Comparator;
+use SebastianBergmann\Comparator\ComparisonFailure;
+
+/**
+ * Closure comparator.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+final class ClosureComparator extends Comparator
+{
+ public function accepts($expected, $actual)
+ {
+ return is_object($expected) && $expected instanceof \Closure
+ && is_object($actual) && $actual instanceof \Closure;
+ }
+
+ public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false)
+ {
+ throw new ComparisonFailure(
+ $expected,
+ $actual,
+ // we don't need a diff
+ '',
+ '',
+ false,
+ 'all closures are born different'
+ );
+ }
+}