1 files changed, 52 insertions, 0 deletions
diff --git a/vendor/phpunit/phpunit/src/Framework/Constraint/Callback.php b/vendor/phpunit/phpunit/src/Framework/Constraint/Callback.php
new file mode 100644
index 000000000..b7cf95a12
--- /dev/null
+++ b/vendor/phpunit/phpunit/src/Framework/Constraint/Callback.php
@@ -0,0 +1,52 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace PHPUnit\Framework\Constraint;
+
+/**
+ * @psalm-template CallbackInput of mixed
+ *
+ * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
+ */
+final class Callback extends Constraint
+{
+    /**
+     * @var callable
+     *
+     * @psalm-var callable(CallbackInput $input): bool
+     */
+    private $callback;
+
+    /** @psalm-param callable(CallbackInput $input): bool $callback */
+    public function __construct(callable $callback)
+    {
+        $this->callback = $callback;
+    }
+
+    /**
+     * Returns a string representation of the constraint.
+     */
+    public function toString(): string
+    {
+        return 'is accepted by specified callback';
+    }
+
+    /**
+     * Evaluates the constraint for parameter $value. Returns true if the
+     * constraint is met, false otherwise.
+     *
+     * @param mixed $other value or object to evaluate
+     *
+     * @psalm-param CallbackInput $other
+     */
+    protected function matches($other): bool
+    {
+        return ($this->callback)($other);
+    }
+}