Different GD tests for when fopencooki is available

This requires us adding a function to poll this information in zend_test

Author: Girgias

ext/gd/tests/gd_create_xbm_non_castable_user_stream.phpt

@@ -1,10 +1,12 @@
 --TEST--
-imagecreatefromxbm(): uncastable user stream
+imagecreatefromxbm(): uncastable user stream has fopencookie
 --EXTENSIONS--
 gd
+zend_test
 --SKIPIF--
 <?php
 if (!GD_BUNDLED) die("skip requires bundled GD library\n");
+if (!zend_test_is_c_fopencookie_available()) die("skip test for when C fopencookie is available");
 ?>
 --FILE--
 <?php

ext/gd/tests/gd_create_xbm_non_castable_user_stream_no_fopencookie.phpt

@@ -0,0 +1,25 @@
+--TEST--
+imagecreatefromxbm(): uncastable user stream without fopencookie
+--EXTENSIONS--
+gd
+zend_test
+--SKIPIF--
+<?php
+if (!GD_BUNDLED) die("skip requires bundled GD library\n");
+if (zend_test_is_c_fopencookie_available()) die("skip test for when C fopencookie is not available");
+?>
+--FILE--
+<?php
+
+require dirname(__DIR__, 3) . '/tests/output/DummyStreamWrapper.inc';
+stream_wrapper_register('custom', DummyStreamWrapper::class);
+
+/* This tests the underlying _php_image_create_from() C function */
+var_dump(imagecreatefromxbm("custom://myvar"));
+
+echo "Done";
+?>
+--EXPECTF--
+Warning: imagecreatefromxbm(): Cannot represent a stream of type user-space as a STDIO FILE* in %s on line %d
+bool(false)
+Done

ext/zend_test/test.c

@@ -516,6 +516,17 @@ static ZEND_FUNCTION(zend_test_zend_call_stack_use_all)
 }
 #endif /* ZEND_CHECK_STACK_LIMIT */
 
+static ZEND_FUNCTION(zend_test_is_c_fopencookie_available)
+{
+	ZEND_PARSE_PARAMETERS_NONE();
+
+#if HAVE_FOPENCOOKIE
+	RETURN_TRUE;
+#else
+	RETURN_FALSE;
+#endif
+}
+
 static zend_object *zend_test_class_new(zend_class_entry *class_type)
 {
 	zend_object *obj = zend_objects_new(class_type);

ext/zend_test/test.stub.php

@@ -178,6 +178,8 @@ function zend_test_zend_ini_str(): string {}
     function zend_test_zend_call_stack_get(): ?array {}
     function zend_test_zend_call_stack_use_all(): int {}
 #endif
+
+    function zend_test_is_c_fopencookie_available(): bool {}
 }
 
 namespace ZendTestNS {