51 lines
1.5 KiB
Rust
51 lines
1.5 KiB
Rust
// Bare metal platforms usually have very small amounts of RAM
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// (in the order of hundreds of KB)
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pub const DEFAULT_BUF_SIZE: usize = if cfg!(target_os = "espidf") { 512 } else { 8 * 1024 };
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#[cfg(test)]
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#[allow(dead_code)] // not used on emscripten
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pub mod test {
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use crate::env;
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use crate::fs;
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use crate::path::{Path, PathBuf};
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use crate::thread;
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use rand::RngCore;
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pub struct TempDir(PathBuf);
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impl TempDir {
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pub fn join(&self, path: &str) -> PathBuf {
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let TempDir(ref p) = *self;
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p.join(path)
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}
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pub fn path(&self) -> &Path {
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let TempDir(ref p) = *self;
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p
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}
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}
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impl Drop for TempDir {
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fn drop(&mut self) {
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// Gee, seeing how we're testing the fs module I sure hope that we
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// at least implement this correctly!
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let TempDir(ref p) = *self;
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let result = fs::remove_dir_all(p);
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// Avoid panicking while panicking as this causes the process to
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// immediately abort, without displaying test results.
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if !thread::panicking() {
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result.unwrap();
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}
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}
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}
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#[track_caller] // for `test_rng`
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pub fn tmpdir() -> TempDir {
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let p = env::temp_dir();
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let mut r = crate::test_helpers::test_rng();
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let ret = p.join(&format!("rust-{}", r.next_u32()));
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fs::create_dir(&ret).unwrap();
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TempDir(ret)
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}
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}
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