Merge branch '8.5' into 9.5

Author: sebastianbergmann

ChangeLog-8.5.md

@@ -2,6 +2,12 @@
 
 All notable changes of the PHPUnit 8.5 release series are documented in this file using the [Keep a CHANGELOG](https://keepachangelog.com/) principles.
 
+## [8.5.24] - 2022-MM-DD
+
+### Changed
+
+* [#4874](https://github.com/sebastianbergmann/phpunit/pull/4874): `PHP_FLOAT_EPSILON` is now used instead of hardcoded `0.0000000001` in `PHPUnit\Framework\Constraint\IsIdentical`
+
 ## [8.5.23] - 2022-01-21
 
 ### Fixed
@@ -197,6 +203,7 @@ All notable changes of the PHPUnit 8.5 release series are documented in this fil
 * [#3967](https://github.com/sebastianbergmann/phpunit/issues/3967): Cannot double interface that extends interface that extends `\Throwable`
 * [#3968](https://github.com/sebastianbergmann/phpunit/pull/3968): Test class run in a separate PHP process are passing when `exit` called inside
 
+[8.5.24]: https://github.com/sebastianbergmann/phpunit/compare/8.5.23...8.5
 [8.5.23]: https://github.com/sebastianbergmann/phpunit/compare/8.5.22...8.5.23
 [8.5.22]: https://github.com/sebastianbergmann/phpunit/compare/8.5.21...8.5.22
 [8.5.21]: https://github.com/sebastianbergmann/phpunit/compare/8.5.20...8.5.21

src/Framework/Constraint/IsIdentical.php

@@ -9,6 +9,7 @@
  */
 namespace PHPUnit\Framework\Constraint;
 
+use const PHP_FLOAT_EPSILON;
 use function abs;
 use function get_class;
 use function is_array;
@@ -26,11 +27,6 @@
  */
 final class IsIdentical extends Constraint
 {
-    /**
-     * @var float
-     */
-    private const EPSILON = 0.0000000001;
-
     /**
      * @var mixed
      */
@@ -59,7 +55,7 @@ public function evaluate($other, string $description = '', bool $returnResult =
         if (is_float($this->value) && is_float($other) &&
             !is_infinite($this->value) && !is_infinite($other) &&
             !is_nan($this->value) && !is_nan($other)) {
-            $success = abs($this->value - $other) < self::EPSILON;
+            $success = abs($this->value - $other) < PHP_FLOAT_EPSILON;
         } else {
             $success = $this->value === $other;
         }