1 files changed, 86 insertions, 0 deletions
diff --git a/vendor/sebastian/comparator/src/NumericComparator.php b/vendor/sebastian/comparator/src/NumericComparator.php
new file mode 100644
index 000000000..12e6721d6
--- /dev/null
+++ b/vendor/sebastian/comparator/src/NumericComparator.php
@@ -0,0 +1,86 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/comparator.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Comparator;
+
+use function abs;
+use function is_float;
+use function is_infinite;
+use function is_nan;
+use function is_numeric;
+use function is_string;
+use function sprintf;
+
+/**
+ * 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($actual) &&
+               !(is_float($expected) || is_float($actual)) &&
+               !(is_string($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, $ignoreCase = false)/*: void*/
+    {
+        if ($this->isInfinite($actual) && $this->isInfinite($expected)) {
+            return;
+        }
+
+        if (($this->isInfinite($actual) xor $this->isInfinite($expected)) ||
+            ($this->isNan($actual) || $this->isNan($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)
+                )
+            );
+        }
+    }
+
+    private function isInfinite($value): bool
+    {
+        return is_float($value) && is_infinite($value);
+    }
+
+    private function isNan($value): bool
+    {
+        return is_float($value) && is_nan($value);
+    }
+}