From 20da5f65cb6a5938e3b978cc967902f157b49e7b Mon Sep 17 00:00:00 2001
From: Xaver Loppenstedt <xaver@loppenstedt.de>
Date: Sat, 14 Dec 2024 21:09:49 +0100
Subject: [PATCH] Fix phpcbf crash in UnnecessaryNamespaceUsageSniff when class
 name is empty, fixes #212

---
 .../Formatting/UnnecessaryNamespaceUsageSniff.php |  9 +++++++--
 .../UnnecessaryNamespaceUsageUnitTest.pass.6.inc  | 15 +++++++++++++++
 .../UnnecessaryNamespaceUsageUnitTest.php         |  1 +
 3 files changed, 23 insertions(+), 2 deletions(-)
 create mode 100644 MO4/Tests/Formatting/UnnecessaryNamespaceUsageUnitTest.pass.6.inc

diff --git a/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php b/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php
index 18b9d0f..28860e9 100644
--- a/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php
+++ b/MO4/Sniffs/Formatting/UnnecessaryNamespaceUsageSniff.php
@@ -224,13 +224,18 @@ protected function getUseStatements(File $phpcsFile, int $start, int $end): arra
                 $end,
                 true
             );
-            $classNameEnd   = (int) $phpcsFile->findNext(
+            $classNameEnd   = $phpcsFile->findNext(
                 $this->classNameTokens,
                 ($classNameStart + 1),
                 $end,
                 true
             );
-            $useEnd         = $phpcsFile->findNext(
+
+            if (false === $classNameEnd) {
+                break;
+            }
+
+            $useEnd = $phpcsFile->findNext(
                 [
                     T_SEMICOLON,
                     T_COMMA,
diff --git a/MO4/Tests/Formatting/UnnecessaryNamespaceUsageUnitTest.pass.6.inc b/MO4/Tests/Formatting/UnnecessaryNamespaceUsageUnitTest.pass.6.inc
new file mode 100644
index 0000000..53448a0
--- /dev/null
+++ b/MO4/Tests/Formatting/UnnecessaryNamespaceUsageUnitTest.pass.6.inc
@@ -0,0 +1,15 @@
+<?php
+
+namespace T;
+
+use A;class B
+{
+  /**
+   * B's constructor
+   */
+    public function __construct()
+    {
+        $a = new A();
+        $a->b();
+    }
+}
diff --git a/MO4/Tests/Formatting/UnnecessaryNamespaceUsageUnitTest.php b/MO4/Tests/Formatting/UnnecessaryNamespaceUsageUnitTest.php
index ae6dab6..2cc6048 100644
--- a/MO4/Tests/Formatting/UnnecessaryNamespaceUsageUnitTest.php
+++ b/MO4/Tests/Formatting/UnnecessaryNamespaceUsageUnitTest.php
@@ -40,6 +40,7 @@ class UnnecessaryNamespaceUsageUnitTest extends AbstractMo4SniffUnitTest
         'UnnecessaryNamespaceUsageUnitTest.pass.3.inc' => [],
         'UnnecessaryNamespaceUsageUnitTest.pass.4.inc' => [],
         'UnnecessaryNamespaceUsageUnitTest.pass.5.inc' => [],
+        'UnnecessaryNamespaceUsageUnitTest.pass.6.inc' => [],
         'UnnecessaryNamespaceUsageUnitTest.fail.1.inc' => [
             17 => 1,
             19 => 1,