--- /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.
+ */
+
+/**
+ * Asserts whether or not two JSON objects are equal.
+ *
+ * @since Class available since Release 3.7.0
+ */
+class PHPUnit_Framework_Constraint_JsonMatches extends PHPUnit_Framework_Constraint
+{
+ /**
+ * @var string
+ */
+ protected $value;
+
+ /**
+ * Creates a new constraint.
+ *
+ * @param string $value
+ */
+ public function __construct($value)
+ {
+ parent::__construct();
+ $this->value = $value;
+ }
+
+ /**
+ * Evaluates the constraint for parameter $other. Returns true if the
+ * constraint is met, false otherwise.
+ *
+ * This method can be overridden to implement the evaluation algorithm.
+ *
+ * @param mixed $other Value or object to evaluate.
+ *
+ * @return bool
+ */
+ protected function matches($other)
+ {
+ $decodedOther = json_decode($other);
+ if (json_last_error()) {
+ return false;
+ }
+
+ $decodedValue = json_decode($this->value);
+ if (json_last_error()) {
+ return false;
+ }
+
+ return $decodedOther == $decodedValue;
+ }
+
+ /**
+ * Returns a string representation of the object.
+ *
+ * @return string
+ */
+ public function toString()
+ {
+ return sprintf(
+ 'matches JSON string "%s"',
+ $this->value
+ );
+ }
+}