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[yaffs-website] / vendor / sebastian / comparator / src / ObjectComparator.php
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+<?php
+/*
+ * This file is part of the Comparator package.
+ *
+ * (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.
+ */
+
+namespace SebastianBergmann\Comparator;
+
+/**
+ * Compares objects for equality.
+ */
+class ObjectComparator extends ArrayComparator
+{
+    /**
+     * Returns whether the comparator can compare two values.
+     *
+     * @param  mixed $expected The first value to compare
+     * @param  mixed $actual   The second value to compare
+     * @return bool
+     */
+    public function accepts($expected, $actual)
+    {
+        return is_object($expected) && is_object($actual);
+    }
+
+    /**
+     * Asserts that two values are equal.
+     *
+     * @param mixed $expected     First value to compare
+     * @param mixed $actual       Second value to compare
+     * @param float $delta        Allowed numerical distance between two values to consider them equal
+     * @param bool  $canonicalize Arrays are sorted before comparison when set to true
+     * @param bool  $ignoreCase   Case is ignored when set to true
+     * @param array $processed    List of already processed elements (used to prevent infinite recursion)
+     *
+     * @throws ComparisonFailure
+     */
+    public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false, array &$processed = array())
+    {
+        if (get_class($actual) !== get_class($expected)) {
+            throw new ComparisonFailure(
+                $expected,
+                $actual,
+                $this->exporter->export($expected),
+                $this->exporter->export($actual),
+                false,
+                sprintf(
+                    '%s is not instance of expected class "%s".',
+                    $this->exporter->export($actual),
+                    get_class($expected)
+                )
+            );
+        }
+
+        // don't compare twice to allow for cyclic dependencies
+        if (in_array(array($actual, $expected), $processed, true) ||
+            in_array(array($expected, $actual), $processed, true)) {
+            return;
+        }
+
+        $processed[] = array($actual, $expected);
+
+        // don't compare objects if they are identical
+        // this helps to avoid the error "maximum function nesting level reached"
+        // CAUTION: this conditional clause is not tested
+        if ($actual !== $expected) {
+            try {
+                parent::assertEquals(
+                    $this->toArray($expected),
+                    $this->toArray($actual),
+                    $delta,
+                    $canonicalize,
+                    $ignoreCase,
+                    $processed
+                );
+            } catch (ComparisonFailure $e) {
+                throw new ComparisonFailure(
+                    $expected,
+                    $actual,
+                    // replace "Array" with "MyClass object"
+                    substr_replace($e->getExpectedAsString(), get_class($expected) . ' Object', 0, 5),
+                    substr_replace($e->getActualAsString(), get_class($actual) . ' Object', 0, 5),
+                    false,
+                    'Failed asserting that two objects are equal.'
+                );
+            }
+        }
+    }
+
+    /**
+     * Converts an object to an array containing all of its private, protected
+     * and public properties.
+     *
+     * @param  object $object
+     * @return array
+     */
+    protected function toArray($object)
+    {
+        return $this->exporter->toArray($object);
+    }
+}