fix: contact creation

tests/stress.rs

@@ -9,6 +9,7 @@ use tempfile::{tempdir, TempDir};
 use deltachat::constants::*;
 use deltachat::context::*;
 use deltachat::dc_array::*;
+use deltachat::dc_chat::*;
 use deltachat::dc_configure::*;
 use deltachat::dc_contact::*;
 use deltachat::dc_imex::*;
@@ -971,6 +972,31 @@ fn test_get_contacts() {
     }
 }
 
+#[test]
+fn test_chat() {
+    unsafe {
+        let context = create_test_context();
+        let contact1 = dc_create_contact(
+            &context.ctx,
+            to_cstring("bob").as_ptr(),
+            to_cstring("bob@mail.de").as_ptr(),
+        );
+        assert_ne!(contact1, 0);
+
+        let chat_id = dc_create_chat_by_contact_id(&context.ctx, contact1);
+        assert!(chat_id > 9, "chat_id too small {}", chat_id);
+        let chat = dc_chat_new(&context.ctx);
+        assert!(dc_chat_load_from_db(chat, chat_id));
+
+        let chat2_id = dc_create_chat_by_contact_id(&context.ctx, contact1);
+        assert_eq!(chat2_id, chat_id);
+        let chat2 = dc_chat_new(&context.ctx);
+        assert!(dc_chat_load_from_db(chat2, chat2_id));
+
+        assert_eq!(as_str((*chat2).name), as_str((*chat).name));
+    }
+}
+
 #[test]
 fn test_arr_to_string() {
     let arr2: [uint32_t; 4] = [