--- /dev/null
+<?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.
+ */
+
+/**
+ * @since Class available since Release 3.6.6
+ */
+class PHPUnit_Framework_Constraint_ExceptionMessage extends PHPUnit_Framework_Constraint
+{
+ /**
+ * @var int
+ */
+ protected $expectedMessage;
+
+ /**
+ * @param string $expected
+ */
+ public function __construct($expected)
+ {
+ parent::__construct();
+ $this->expectedMessage = $expected;
+ }
+
+ /**
+ * Evaluates the constraint for parameter $other. Returns true if the
+ * constraint is met, false otherwise.
+ *
+ * @param Exception $other
+ *
+ * @return bool
+ */
+ protected function matches($other)
+ {
+ return strpos($other->getMessage(), $this->expectedMessage) !== false;
+ }
+
+ /**
+ * 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)
+ {
+ return sprintf(
+ "exception message '%s' contains '%s'",
+ $other->getMessage(),
+ $this->expectedMessage
+ );
+ }
+
+ /**
+ * @return string
+ */
+ public function toString()
+ {
+ return 'exception message contains ';
+ }
+}