From af844a81ef939ed4921f0f35711abbf2336313be Mon Sep 17 00:00:00 2001
From: Tomas Votruba <tomas.vot@gmail.com>
Date: Sun, 19 Jul 2026 22:58:28 +0200
Subject: [PATCH] Add regression fixture for single promoted property among
 plain params

Locks StandaloneLinePromotedPropertyFixer behavior when only one of many constructor params is promoted: every param must end up on its own line.
---
 ...omoted_property_among_plain_params.php.inc | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 packages/coding-standard/tests/Fixer/Spacing/StandaloneLinePromotedPropertyFixer/Fixture/single_promoted_property_among_plain_params.php.inc

diff --git a/packages/coding-standard/tests/Fixer/Spacing/StandaloneLinePromotedPropertyFixer/Fixture/single_promoted_property_among_plain_params.php.inc b/packages/coding-standard/tests/Fixer/Spacing/StandaloneLinePromotedPropertyFixer/Fixture/single_promoted_property_among_plain_params.php.inc
new file mode 100644
index 0000000000..25053b8cc1
--- /dev/null
+++ b/packages/coding-standard/tests/Fixer/Spacing/StandaloneLinePromotedPropertyFixer/Fixture/single_promoted_property_among_plain_params.php.inc
@@ -0,0 +1,31 @@
+<?php
+
+namespace Symplify\CodingStandard\Tests\Fixer\Spacing\StandaloneLinePromotedPropertyFixer\Fixture;
+
+final class SinglePromotedPropertyAmongPlainParams
+{
+    public function __construct(
+        CorePermissions $security, Translator $translator, RouterInterface $router,
+        private LeadModel $leadModel,
+    ) {
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Symplify\CodingStandard\Tests\Fixer\Spacing\StandaloneLinePromotedPropertyFixer\Fixture;
+
+final class SinglePromotedPropertyAmongPlainParams
+{
+    public function __construct(
+        CorePermissions $security,
+        Translator $translator,
+        RouterInterface $router,
+        private LeadModel $leadModel,
+    ) {
+    }
+}
+
+?>