From c7e752422a7481ee32cc6af58019c4da0e8bd289 Mon Sep 17 00:00:00 2001
From: tianfenghan <rango@swoole.com>
Date: Sat, 13 Jun 2026 11:20:38 +0800
Subject: [PATCH] =?UTF-8?q?test(aot):=20=E6=B7=BB=E5=8A=A0=E5=AD=97?=
 =?UTF-8?q?=E7=AC=A6=E4=B8=B2=E9=A1=B9isset=E6=93=8D=E4=BD=9C=E7=9A=84?=
 =?UTF-8?q?=E6=B5=8B=E8=AF=95=E7=94=A8=E4=BE=8B?=
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- 添加了基本的字符串isset测试文件
- 测试不同索引位置的isset操作行为
- 验证字符串类型在AOT编译下的表现
- 包含null合并运算符的测试场景
---
 tests/aot/basic/string-item-isset.phpt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 tests/aot/basic/string-item-isset.phpt

diff --git a/tests/aot/basic/string-item-isset.phpt b/tests/aot/basic/string-item-isset.phpt
new file mode 100644
index 00000000..c29c2119
--- /dev/null
+++ b/tests/aot/basic/string-item-isset.phpt
@@ -0,0 +1,18 @@
+--TEST--
+string item isset
+--FILE--
+<?php
+function main()
+{
+    $type = '?string';
+    var_dump(isset($type[0]));
+    var_dump(isset($type[6]));
+    var_dump(isset($type[10]));
+    var_dump(($type[0] ?? ''));
+}
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(false)
+string(1) "?"