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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /vendor/autocfg/tests | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/autocfg/tests')
-rw-r--r-- | vendor/autocfg/tests/rustflags.rs | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/vendor/autocfg/tests/rustflags.rs b/vendor/autocfg/tests/rustflags.rs new file mode 100644 index 000000000..f05454668 --- /dev/null +++ b/vendor/autocfg/tests/rustflags.rs @@ -0,0 +1,33 @@ +extern crate autocfg; + +use std::env; + +/// Tests that autocfg uses the RUSTFLAGS or CARGO_ENCODED_RUSTFLAGS +/// environment variables when running rustc. +#[test] +fn test_with_sysroot() { + // Use the same path as this test binary. + let dir = env::current_exe().unwrap().parent().unwrap().to_path_buf(); + env::set_var("OUT_DIR", &format!("{}", dir.display())); + + // If we have encoded rustflags, they take precedence, even if empty. + env::set_var("CARGO_ENCODED_RUSTFLAGS", ""); + env::set_var("RUSTFLAGS", &format!("-L {}", dir.display())); + let ac = autocfg::AutoCfg::new().unwrap(); + assert!(ac.probe_sysroot_crate("std")); + assert!(!ac.probe_sysroot_crate("autocfg")); + + // Now try again with useful encoded args. + env::set_var( + "CARGO_ENCODED_RUSTFLAGS", + &format!("-L\x1f{}", dir.display()), + ); + let ac = autocfg::AutoCfg::new().unwrap(); + assert!(ac.probe_sysroot_crate("autocfg")); + + // Try the old-style RUSTFLAGS, ensuring HOST != TARGET. + env::remove_var("CARGO_ENCODED_RUSTFLAGS"); + env::set_var("HOST", "lol"); + let ac = autocfg::AutoCfg::new().unwrap(); + assert!(ac.probe_sysroot_crate("autocfg")); +} |