1 files changed, 57 insertions, 0 deletions
diff --git a/vendor/phpunit/phpunit/src/Util/VersionComparisonOperator.php b/vendor/phpunit/phpunit/src/Util/VersionComparisonOperator.php
new file mode 100644
index 000000000..175ecd2d1
--- /dev/null
+++ b/vendor/phpunit/phpunit/src/Util/VersionComparisonOperator.php
@@ -0,0 +1,57 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of PHPUnit.
+ *
+ * (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 PHPUnit\Util;
+
+use function in_array;
+use function sprintf;
+
+/**
+ * @internal This class is not covered by the backward compatibility promise for PHPUnit
+ * @psalm-immutable
+ */
+final class VersionComparisonOperator
+{
+    /**
+     * @psalm-var '<'|'lt'|'<='|'le'|'>'|'gt'|'>='|'ge'|'=='|'='|'eq'|'!='|'<>'|'ne'
+     */
+    private $operator;
+
+    public function __construct(string $operator)
+    {
+        $this->ensureOperatorIsValid($operator);
+
+        $this->operator = $operator;
+    }
+
+    /**
+     * @return '!='|'<'|'<='|'<>'|'='|'=='|'>'|'>='|'eq'|'ge'|'gt'|'le'|'lt'|'ne'
+     */
+    public function asString(): string
+    {
+        return $this->operator;
+    }
+
+    /**
+     * @throws Exception
+     *
+     * @psalm-assert '<'|'lt'|'<='|'le'|'>'|'gt'|'>='|'ge'|'=='|'='|'eq'|'!='|'<>'|'ne' $operator
+     */
+    private function ensureOperatorIsValid(string $operator): void
+    {
+        if (!in_array($operator, ['<', 'lt', '<=', 'le', '>', 'gt', '>=', 'ge', '==', '=', 'eq', '!=', '<>', 'ne'], true)) {
+            throw new Exception(
+                sprintf(
+                    '"%s" is not a valid version_compare() operator',
+                    $operator
+                )
+            );
+        }
+    }
+}