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Most modules have such a blank line, but some don't. Inserting the blank line makes it clearer that the `//!` comments are describing the entire module, rather than the `use` declaration(s) that immediately follows.
42 lines
1.1 KiB
Rust
42 lines
1.1 KiB
Rust
#![cfg(all(test, not(any(target_os = "emscripten", target_env = "sgx"))))]
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//! Note that this test changes the current directory so
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//! should not be in the same process as other tests.
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use std::env;
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use std::fs;
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use std::path::{Path, PathBuf};
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mod common;
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// On some platforms, setting the current directory will prevent deleting it.
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// So this helper ensures the current directory is reset.
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struct CurrentDir(PathBuf);
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impl CurrentDir {
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fn new() -> Self {
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Self(env::current_dir().unwrap())
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}
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fn set(&self, path: &Path) {
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env::set_current_dir(path).unwrap();
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}
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fn with(path: &Path, f: impl FnOnce()) {
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let current_dir = Self::new();
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current_dir.set(path);
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f();
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}
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}
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impl Drop for CurrentDir {
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fn drop(&mut self) {
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env::set_current_dir(&self.0).unwrap();
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}
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}
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#[test]
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#[cfg_attr(all(miri, windows), ignore)] // File system access on Windows not supported by Miri
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fn create_dir_all_bare() {
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let tmpdir = common::tmpdir();
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CurrentDir::with(tmpdir.path(), || {
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fs::create_dir_all("create-dir-all-bare").unwrap();
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});
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}
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