mirror of https://github.com/rust-lang/rust.git
19 lines
687 B
Rust
19 lines
687 B
Rust
// 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());
|
|
}
|