comparison vendor/sebastian/comparator/src/NumericComparator.php @ 0:4c8ae668cc8c

Initial import (non-working)

+<?php
+/*
+ * This file is part of the Comparator package.
+ *
+ * (c) Sebastian Bergmann <[e-mail]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace SebastianBergmann\Comparator;
+
+/**
+ * Compares numerical values for equality.
+ */
+class NumericComparator extends ScalarComparator
+{
+    /**
+     * 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, $actual)
+    {
+        // all numerical values, but not if one of them is a double
+        // or both of them are strings
+        return is_numeric($expected) && is_numeric($actual) &&
+               !(is_double($expected) || is_double($actual)) &&
+               !(is_string($expected) && is_string($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  $ignoreCase   Case is ignored when set to true
+     *
+     * @throws ComparisonFailure
+     */
+    public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false)
+    {
+        if (is_infinite($actual) && is_infinite($expected)) {
+            return;
+        }
+
+        if ((is_infinite($actual) xor is_infinite($expected)) ||
+            (is_nan($actual) or is_nan($expected)) ||
+            abs($actual - $expected) > $delta) {
+            throw new ComparisonFailure(
+                $expected,
+                $actual,
+                '',
+                '',
+                false,
+                sprintf(
+                    'Failed asserting that %s matches expected %s.',
+                    $this->exporter->export($actual),
+                    $this->exporter->export($expected)
+                )
+            );
+        }
+    }
+}