serde/test_suite/tests/regression/issue1904.rs
Mingun c3ac7b675a Add regression test for issue #1904
Currently panics in derive:

error: proc-macro derive panicked
    --> test_suite\tests\test_annotations.rs:2386:25
     |
2386 |     #[derive(Serialize, Deserialize, PartialEq, Debug)]
     |                         ^^^^^^^^^^^
     |
     = help: message: assertion failed: !cattrs.has_flatten()

error: proc-macro derive panicked
  --> test_suite\tests\regression\issue1904.rs:57:10
   |
57 | #[derive(Deserialize)]
   |          ^^^^^^^^^^^
   |
   = help: message: assertion failed: !cattrs.has_flatten()

error: proc-macro derive panicked
  --> test_suite\tests\regression\issue1904.rs:47:10
   |
47 | #[derive(Deserialize)]
   |          ^^^^^^^^^^^
   |
   = help: message: assertion failed: !cattrs.has_flatten()

error: proc-macro derive panicked
  --> test_suite\tests\regression\issue1904.rs:37:10
   |
37 | #[derive(Deserialize)]
   |          ^^^^^^^^^^^
   |
   = help: message: assertion failed: !cattrs.has_flatten()

error: proc-macro derive panicked
  --> test_suite\tests\regression\issue1904.rs:27:10
   |
27 | #[derive(Deserialize)]
   |          ^^^^^^^^^^^
   |
   = help: message: assertion failed: !cattrs.has_flatten()

error: proc-macro derive panicked
  --> test_suite\tests\regression\issue1904.rs:16:10
   |
16 | #[derive(Deserialize)]
   |          ^^^^^^^^^^^
   |
   = help: message: assertion failed: !cattrs.has_flatten()

error: proc-macro derive panicked
 --> test_suite\tests\regression\issue1904.rs:7:10
  |
7 | #[derive(Deserialize)]
  |          ^^^^^^^^^^^
  |
  = help: message: assertion failed: !cattrs.has_flatten()
2024-08-09 19:55:56 +05:00

66 lines
1.2 KiB
Rust

#![allow(dead_code)] // we do not read enum fields
use serde_derive::Deserialize;
#[derive(Deserialize)]
pub struct Nested;
#[derive(Deserialize)]
pub enum ExternallyTagged1 {
Tuple(f64, String),
Flatten {
#[serde(flatten)]
nested: Nested,
},
}
#[derive(Deserialize)]
pub enum ExternallyTagged2 {
Flatten {
#[serde(flatten)]
nested: Nested,
},
Tuple(f64, String),
}
// Internally tagged enums cannot contain tuple variants so not tested here
#[derive(Deserialize)]
#[serde(tag = "tag", content = "content")]
pub enum AdjacentlyTagged1 {
Tuple(f64, String),
Flatten {
#[serde(flatten)]
nested: Nested,
},
}
#[derive(Deserialize)]
#[serde(tag = "tag", content = "content")]
pub enum AdjacentlyTagged2 {
Flatten {
#[serde(flatten)]
nested: Nested,
},
Tuple(f64, String),
}
#[derive(Deserialize)]
#[serde(untagged)]
pub enum Untagged1 {
Tuple(f64, String),
Flatten {
#[serde(flatten)]
nested: Nested,
},
}
#[derive(Deserialize)]
#[serde(untagged)]
pub enum Untagged2 {
Flatten {
#[serde(flatten)]
nested: Nested,
},
Tuple(f64, String),
}