3 #[test]
5     // Test whether `has_dependency` works. `cargo tree` no longer works in  in test_backends()
7     // and hermit-core isn't compatible with Rust 1.48.  in test_backends()
8     if !has_dependency(".", &[], &[], &[], "io-lifetimes") {  in test_backends()
13     // ensure that the use-default crate uses it.  in test_backends()
18                 "test-crates/use-default",  in test_backends()
22                 "linux-raw-sys"  in test_backends()
24             "use-default does not depend on linux-raw-sys"  in test_backends()
29     // ensure that the use-rustix-auxv crate uses it, and does not use libc.  in test_backends()
32         // TODO: Re-enable this test once io-lifetimes can depend on Rust 1.63  in test_backends()
37                 "test-crates/use-rustix-auxv",  in test_backends()
43             "use-rustix-auxv depends on libc"  in test_backends()
49                 "test-crates/use-rustix-auxv",  in test_backends()
53                 "linux-raw-sys"  in test_backends()
55             "use-rustix-auxv does not depend on linux-raw-sys"  in test_backends()
60     let libc_dep = "windows-sys";  in test_backends()
65     // rust-errno updates to windows-sys 0.48.  in test_backends()
73     // Test the use-libc crate, which enables the "use-libc" cargo feature.  in test_backends()
75         has_dependency("test-crates/use-libc", &[], &[], &["RUSTFLAGS"], libc_dep),  in test_backends()
76         "use-libc doesn't depend on {}",  in test_backends()
80     // Test the use-default crate with `--cfg=rustix_use_libc`.  in test_backends()
83             "test-crates/use-default",  in test_backends()
85             &[("RUSTFLAGS", "--cfg=rustix_use_libc")],  in test_backends()
89         "use-default with --cfg=rustix_use_libc does not depend on {}",  in test_backends()
93     // Test the use-default crate with `--features=rustix/use-libc`.  in test_backends()
96             "test-crates/use-default",  in test_backends()
97             &["--features=rustix/use-libc"],  in test_backends()
102         "use-default with --features=rustix/use-libc does not depend on {}",  in test_backends()
107 /// Test whether the crate at directory `dir` has a dependency on `dependency`,
116 ) -> bool {  in has_dependency()
121         .arg("--quiet")  in has_dependency()
122         .arg("--edges=normal")  in has_dependency()
123         .arg(&format!("--invert={}", dependency))  in has_dependency()
136     // `cargo tree --invert=foo` can fail in two different ways: it exits with  in has_dependency()
137     // a non-zero status if the dependency is not present in the Cargo.toml  in has_dependency()