fix: incorrect HTTP status code may return

Author: kenjis

system/Debug/Exceptions.php

@@ -12,6 +12,8 @@
 namespace CodeIgniter\Debug;
 
 use CodeIgniter\API\ResponseTrait;
+use CodeIgniter\Exceptions\HasExitCodeException;
+use CodeIgniter\Exceptions\HasHttpStatusCodeException;
 use CodeIgniter\Exceptions\PageNotFoundException;
 use CodeIgniter\HTTP\CLIRequest;
 use CodeIgniter\HTTP\IncomingRequest;
@@ -304,18 +306,25 @@ protected function maskSensitiveData(&$trace, array $keysToMask, string $path =
      */
     protected function determineCodes(Throwable $exception): array
     {
-        $statusCode = abs($exception->getCode());
+        $statusCode = 500;
+        $exitStatus = EXIT_ERROR;
 
-        if ($statusCode < 100 || $statusCode > 599) {
-            $exitStatus = $statusCode + EXIT__AUTO_MIN;
+        // For backward compatibility. I don't think this process is necessary.
+        $exceptionCode = abs($exception->getCode());
+        if ($exceptionCode < 100 || $exceptionCode > 599) {
+            $exitStatus = $exceptionCode + EXIT__AUTO_MIN;
 
             if ($exitStatus > EXIT__AUTO_MAX) {
                 $exitStatus = EXIT_ERROR;
             }
+        }
+
+        if ($exception instanceof HasHttpStatusCodeException) {
+            $statusCode = $exception->getCode();
+        }
 
-            $statusCode = 500;
-        } else {
-            $exitStatus = EXIT_ERROR;
+        if ($exception instanceof HasExitCodeException) {
+            $exitStatus = $exception->getCode();
         }
 
         return [$statusCode, $exitStatus];

tests/system/Debug/ExceptionsTest.php

@@ -58,8 +58,9 @@ public function testDetermineCodes(): void
         $determineCodes = $this->getPrivateMethodInvoker($this->exception, 'determineCodes');
 
         $this->assertSame([500, 9], $determineCodes(new RuntimeException('This.')));
+        $this->assertSame([500, 1], $determineCodes(new RuntimeException('This.', 167)));
         $this->assertSame([500, 1], $determineCodes(new RuntimeException('That.', 600)));
-        $this->assertSame([404, 1], $determineCodes(new RuntimeException('There.', 404)));
+        $this->assertSame([500, 1], $determineCodes(new RuntimeException('There.', 404)));
     }
 
     public function testRenderBacktrace(): void