feat: Add tests for new_persistent function in ZString integration (#205)

Author: jmjoy

tests/integration/src/strings.rs

@@ -25,4 +25,21 @@ pub fn integrate(module: &mut Module) {
             Ok(())
         },
     );
+
+    module.add_function(
+        "integrate_strings_zend_string_new_persistent",
+        |_: &mut [ZVal]| -> phper::Result<()> {
+            let zs = ZString::new_persistent("persistent_hello");
+            assert_eq!(zs.to_str()?, "persistent_hello");
+
+            let zs = ZString::new_persistent([4, 5, 6]);
+            assert_eq!(zs.as_ref(), &[4, 5, 6]);
+
+            assert!(
+                ZString::new_persistent("persistent") == ZString::new_persistent(b"persistent")
+            );
+
+            Ok(())
+        },
+    );
 }

tests/integration/tests/php/strings.php

@@ -14,3 +14,4 @@
 require_once __DIR__ . '/_common.php';
 
 integrate_strings_zend_string_new();
+integrate_strings_zend_string_new_persistent();