| // Check that changes to environment variables are propagated to `option_env!`. |
| // |
| // This test is intentionally written to not use any `#[cfg(rpass*)]`, to |
| // _really_ test that we re-compile if the environment variable changes. |
| |
| //@ revisions: rpass1 rpass2 rpass3 rpass4 |
| //@ [rpass1]unset-rustc-env:EXAMPLE_ENV |
| //@ [rpass1]unset-exec-env:EXAMPLE_ENV |
| //@ [rpass2]rustc-env:EXAMPLE_ENV=one |
| //@ [rpass2]exec-env:EXAMPLE_ENV=one |
| //@ [rpass3]rustc-env:EXAMPLE_ENV=two |
| //@ [rpass3]exec-env:EXAMPLE_ENV=two |
| //@ [rpass4]unset-rustc-env:EXAMPLE_ENV |
| //@ [rpass4]unset-exec-env:EXAMPLE_ENV |
| |
| fn main() { |
| assert_eq!(option_env!("EXAMPLE_ENV"), std::env::var("EXAMPLE_ENV").ok().as_deref()); |
| } |
