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