diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/env-args-reverse-iterator.rs | |
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 'src/test/ui/env-args-reverse-iterator.rs')
-rw-r--r-- | src/test/ui/env-args-reverse-iterator.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/test/ui/env-args-reverse-iterator.rs b/src/test/ui/env-args-reverse-iterator.rs new file mode 100644 index 000000000..7f06718c0 --- /dev/null +++ b/src/test/ui/env-args-reverse-iterator.rs @@ -0,0 +1,38 @@ +// run-pass +// ignore-emscripten no processes +// ignore-sgx no processes + +use std::env::args; +use std::process::Command; + +fn assert_reverse_iterator_for_program_arguments(program_name: &str) { + let args: Vec<_> = args().rev().collect(); + + assert!(args.len() == 4); + assert_eq!(args[0], "c"); + assert_eq!(args[1], "b"); + assert_eq!(args[2], "a"); + assert_eq!(args[3], program_name); + + println!("passed"); +} + +fn main() { + let mut args = args(); + let me = args.next().unwrap(); + + if let Some(_) = args.next() { + assert_reverse_iterator_for_program_arguments(&me); + return + } + + let output = Command::new(&me) + .arg("a") + .arg("b") + .arg("c") + .output() + .unwrap(); + assert!(output.status.success()); + assert!(output.stderr.is_empty()); + assert_eq!(output.stdout, b"passed\n"); +} |