add more test coverage

capnp/src/text_list.rs

@@ -61,6 +61,12 @@ impl<'a> Reader<'a> {
         let l = self.len();
         ListIter::new(self, l)
     }
+
+    pub fn reborrow<'b>(&'b self) -> Reader<'b> {
+        Reader {
+            reader: self.reader,
+        }
+    }
 }
 
 impl<'a> FromPointerReader<'a> for Reader<'a> {

capnpc/test/test_util.rs

@@ -187,6 +187,15 @@ pub fn init_test_message(mut builder: test_all_types::Builder<'_>) {
 
     // ...
 
+    {
+        let mut text_list = builder.reborrow().init_text_list(3);
+        text_list.set(0, "plugh".into());
+        text_list.set(1, "xyzzy".into());
+        text_list.set(2, "thud".into());
+    }
+
+    // ...
+
     {
         let mut struct_list = builder.reborrow().init_struct_list(3);
         struct_list
@@ -393,6 +402,16 @@ check_test_message_impl(($mod:ident::$typ:ident) => (
 
             // ...
 
+            {
+                let mut text_list = reader.reborrow().get_text_list().unwrap();
+                assert_eq!(3, text_list.len());
+                assert_eq!("plugh", text_list.reborrow().get(0).unwrap());
+                assert_eq!("xyzzy", text_list.reborrow().get(1).unwrap());
+                assert_eq!("thud", text_list.reborrow().get(2).unwrap());
+            }
+
+            // ...
+
             {
                 let mut struct_list = reader.reborrow().get_struct_list().unwrap();
                 assert_eq!(3, struct_list.len());