64 lines
1.8 KiB
Rust
64 lines
1.8 KiB
Rust
use std::{
|
|
fs,
|
|
ffi::OsStr,
|
|
io,
|
|
path::Path,
|
|
};
|
|
|
|
use walkdir::WalkDir;
|
|
|
|
#[test]
|
|
fn fail() {
|
|
prepare_stderr_files("tests/compile-fail").unwrap();
|
|
|
|
let t = trybuild::TestCases::new();
|
|
t.compile_fail("tests/compile-fail/**/*.rs");
|
|
}
|
|
|
|
#[test]
|
|
fn pass() {
|
|
let t = trybuild::TestCases::new();
|
|
t.pass("tests/compile-pass/**/*.rs");
|
|
}
|
|
|
|
// Compiler messages may change between versions
|
|
// We don't want to have to track these too closely for `bitflags`, but
|
|
// having some message to check makes sure user-facing errors are sensical.
|
|
//
|
|
// The approach we use is to run the test on all compilers, but only check stderr
|
|
// output on beta (which is the next stable release). We do this by default ignoring
|
|
// any `.stderr` files in the `compile-fail` directory, and copying `.stderr.beta` files
|
|
// when we happen to be running on a beta compiler.
|
|
fn prepare_stderr_files(path: impl AsRef<Path>) -> io::Result<()> {
|
|
for entry in WalkDir::new(path) {
|
|
let entry = entry?;
|
|
|
|
if entry.path().extension().and_then(OsStr::to_str) == Some("beta") {
|
|
let renamed = entry.path().with_extension("");
|
|
|
|
// Unconditionally remove a corresponding `.stderr` file for a `.stderr.beta`
|
|
// file if it exists. On `beta` compilers, we'll recreate it. On other compilers,
|
|
// we don't want to end up checking it anyways.
|
|
if renamed.exists() {
|
|
fs::remove_file(&renamed)?;
|
|
}
|
|
|
|
rename_beta_stderr(entry.path(), renamed)?;
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[rustversion::beta]
|
|
fn rename_beta_stderr(from: impl AsRef<Path>, to: impl AsRef<Path>) -> io::Result<()> {
|
|
fs::copy(from, to)?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[rustversion::not(beta)]
|
|
fn rename_beta_stderr(_: impl AsRef<Path>, _: impl AsRef<Path>) -> io::Result<()> {
|
|
Ok(())
|
|
}
|