--- /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\Prediction;
+
+use Prophecy\Call\Call;
+use Prophecy\Prophecy\ObjectProphecy;
+use Prophecy\Prophecy\MethodProphecy;
+use Prophecy\Util\StringUtil;
+use Prophecy\Exception\Prediction\UnexpectedCallsException;
+
+/**
+ * No calls prediction.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class NoCallsPrediction implements PredictionInterface
+{
+ private $util;
+
+ /**
+ * Initializes prediction.
+ *
+ * @param null|StringUtil $util
+ */
+ public function __construct(StringUtil $util = null)
+ {
+ $this->util = $util ?: new StringUtil;
+ }
+
+ /**
+ * Tests that there were no calls made.
+ *
+ * @param Call[] $calls
+ * @param ObjectProphecy $object
+ * @param MethodProphecy $method
+ *
+ * @throws \Prophecy\Exception\Prediction\UnexpectedCallsException
+ */
+ public function check(array $calls, ObjectProphecy $object, MethodProphecy $method)
+ {
+ if (!count($calls)) {
+ return;
+ }
+
+ $verb = count($calls) === 1 ? 'was' : 'were';
+
+ throw new UnexpectedCallsException(sprintf(
+ "No calls expected that match:\n".
+ " %s->%s(%s)\n".
+ "but %d %s made:\n%s",
+ get_class($object->reveal()),
+ $method->getMethodName(),
+ $method->getArgumentsWildcard(),
+ count($calls),
+ $verb,
+ $this->util->stringifyCalls($calls)
+ ), $method, $calls);
+ }
+}