Generic/ForLoopShouldBeWhileLoop: improve sniff code coverage + fix potential PHP 8.3 deprecation notice

src/Standards/Generic/Sniffs/CodeAnalysis/ForLoopShouldBeWhileLoopSniff.php

@@ -57,7 +57,7 @@ public function process(File $phpcsFile, $stackPtr)
         $token  = $tokens[$stackPtr];
 
         // Skip invalid statement.
-        if (isset($token['parenthesis_opener']) === false) {
+        if (isset($token['parenthesis_opener'], $token['parenthesis_closer']) === false) {
             return;
         }
 

src/Standards/Generic/Tests/CodeAnalysis/ForLoopShouldBeWhileLoopUnitTest.1.inc

@@ -0,0 +1,37 @@
+<?php
+for ($i = 0; $i < 10; $i++) {
+    // Everything is fine
+}
+
+for (; $it->valid();) {
+    $it->next();
+}
+
+for (;(($it1->valid() && $foo) || (!$it2->value && ($bar || false)));/*Could be ignored*/) {
+    $it1->next();
+    $it2->next();
+}
+
+for ($i = 0, $j = 10; $i < $j; $i++, $j--) {
+    echo "i: $i, j: $j\n";
+}
+
+for (;;) {
+    if ($i >= 10) {
+        break;
+    }
+    echo $i++;
+}
+
+for ($i = 0; $i < 10; $i++): ?>
+    <p><?php echo $i; ?></p>
+<?php endfor;
+
+for ($i = 0, $len = count($array); $i < $len; $i++):
+    echo $array[$i];
+endfor;
+
+for (; $i < 10;):
+    echo $i;
+    $i++;
+endfor;

src/Standards/Generic/Tests/CodeAnalysis/ForLoopShouldBeWhileLoopUnitTest.2.inc

@@ -0,0 +1,4 @@
+<?php
+
+// Intentional parse error. Testing that the sniff is *not* triggered in this case.
+for

src/Standards/Generic/Tests/CodeAnalysis/ForLoopShouldBeWhileLoopUnitTest.3.inc

@@ -0,0 +1,6 @@
+<?php
+
+// Issue PHPCSStandards/PHP_CodeSniffer#226
+// Intentional parse error (missing close parenthesis). Testing that the sniff is *not* triggered
+// in this case and that no PHP 8.3+ deprecation notice is thrown.
+for ($i = 0; $i < 10; $i++

src/Standards/Generic/Tests/CodeAnalysis/ForLoopShouldBeWhileLoopUnitTest.php

@@ -41,14 +41,22 @@ public function getErrorList()
      * The key of the array should represent the line number and the value
      * should represent the number of warnings that should occur on that line.
      *
+     * @param string $testFile The name of the test file being tested.
+     *
      * @return array<int, int>
      */
-    public function getWarningList()
+    public function getWarningList($testFile='')
     {
-        return [
-            6  => 1,
-            10 => 1,
-        ];
+        switch ($testFile) {
+        case 'ForLoopShouldBeWhileLoopUnitTest.1.inc':
+            return [
+                6  => 1,
+                10 => 1,
+                34 => 1,
+            ];
+        default:
+            return [];
+        }
 
     }//end getWarningList()