fix: add some tests with current object

rules-tests/CodingStyle/Rector/ClassMethod/NewlineBeforeNewAssignSetRector/Fixture/objects.php.inc

@@ -0,0 +1,38 @@
+<?php
+
+namespace Rector\Tests\CodingStyle\Rector\ClassMethod\NewlineBeforeNewAssignSetRector\Fixture;
+
+final class Objects
+{
+    private ?Value $foo = null;
+    private ?Value $bar = null;
+    public function run()
+    {
+        $this->foo = new Value;
+        $this->foo->bar = 1;
+        $this->bar = new Value;
+        $this->bar->bar = 1;
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\CodingStyle\Rector\ClassMethod\NewlineBeforeNewAssignSetRector\Fixture;
+
+final class Objects
+{
+    private ?Value $foo = null;
+    private ?Value $bar = null;
+    public function run()
+    {
+        $this->foo = new Value;
+        $this->foo->bar = 1;
+
+        $this->bar = new Value;
+        $this->bar->bar = 1;
+    }
+}
+
+?>

rules-tests/CodingStyle/Rector/ClassMethod/NewlineBeforeNewAssignSetRector/Fixture/statics.php.inc

@@ -0,0 +1,38 @@
+<?php
+
+namespace Rector\Tests\CodingStyle\Rector\ClassMethod\NewlineBeforeNewAssignSetRector\Fixture;
+
+final class Statics
+{
+    protected static ?Value $fooBar = null;
+    protected static ?Value $barFoo = null;
+    public function run()
+    {
+        self::$fooBar = new Value;
+        self::$fooBar->bar = 1;
+        self::$barFoo = new Value;
+        self::$barFoo->bar = 1;
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\CodingStyle\Rector\ClassMethod\NewlineBeforeNewAssignSetRector\Fixture;
+
+final class Objects
+{
+    protected static ?Value $fooBar = null;
+    protected static ?Value $barFoo = null;
+    public function run()
+    {
+        self::$fooBar = new Value;
+        self::$fooBar->bar = 1;
+
+        self::$barFoo = new Value;
+        self::$barFoo->bar = 1;
+    }
+}
+
+?>

rules/CodingStyle/Rector/ClassMethod/NewlineBeforeNewAssignSetRector.php

@@ -136,14 +136,19 @@ private function resolveCurrentStmtVariableName(Stmt $stmt): ?string
             }
 
             if (! $stmtExpr->var instanceof MethodCall && ! $stmtExpr->var instanceof StaticCall) {
-                $node = $stmtExpr->var;
+                $nodeVar = $stmtExpr->var;
 
-                if ($node instanceof Node\Expr\PropertyFetch) {
+                if ($nodeVar instanceof Node\Expr\PropertyFetch) {
                     do {
-                        $node = $node->var;
-                    } while ($node instanceof Node\Expr\PropertyFetch);
+                        $previous = $nodeVar;
+                        $nodeVar = $nodeVar->var;
+                    } while ($nodeVar instanceof Node\Expr\PropertyFetch);
+
+                    if ($nodeVar->name === 'this') {
+                        $nodeVar = $previous;
+                    }
                 }
-                return $this->getName($node);
+                return $this->getName($nodeVar);
             }
         }