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Make test/run-pass/backtrace.rs more robust about own host environment.

Browse Source 
Namely, I have been annoyed in the past when I have done
`RUST_BACKTRACE=1 make check` only to discover (again) that such a
trick causes this test to fail, because it assumes that the
`RUST_BACKTRACE` environment variable is not set.

Fix #22870
This commit is contained in:
Felix S. Klock II 2015-02-19 12:41:10 +01:00
parent 1cc8b6ec66
commit c6b66034d6
1 changed files with 3 additions and 1 deletions
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4
src/test/run-pass/backtrace.rs
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@ -53,7 +53,9 @@ fn runtest(me: &str) {
"bad output: {}", s);
// Make sure the stack trace is *not* printed
let p = template.clone().arg("fail").spawn().unwrap();
// (Remove RUST_BACKTRACE from our own environment, in case developer
// is running `make check` with it on.)
let p = template.clone().arg("fail").env_remove("RUST_BACKTRACE").spawn().unwrap();
let out = p.wait_with_output().unwrap();
assert!(!out.status.success());
let s = str::from_utf8(&out.error).unwrap();