| 1 | use rayon_core::ThreadPoolBuilder; |
|---|---|
| 2 | use std::error::Error; |
| 3 | |
| 4 | #[test] |
| 5 | #[cfg_attr(any(target_os = "emscripten", target_family = "wasm"), ignore)] |
| 6 | fn double_init_fail() { |
| 7 | let result1 = ThreadPoolBuilder::new().build_global(); |
| 8 | assert!(result1.is_ok()); |
| 9 | let err = ThreadPoolBuilder::new().build_global().unwrap_err(); |
| 10 | assert!(err.source().is_none()); |
| 11 | assert_eq!( |
| 12 | err.to_string(), |
| 13 | "The global thread pool has already been initialized.", |
| 14 | ); |
| 15 | } |
| 16 |