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Catch panics from syntex in test

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This commit is contained in:
David Tolnay 2016-10-30 00:03:09 -07:00
parent e131090625
commit 003bde887b
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GPG Key ID: F9BA143B95FF6D82
1 changed files with 37 additions and 30 deletions
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67
tests/test_round_trip.rs
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@ -13,9 +13,9 @@ use syntex_syntax::ast;
use syntex_syntax::parse::{self, ParseSess, PResult};
use time::PreciseTime;
use std::fs::File;
use std::io::{self, Read, Write};
use std::panic;
macro_rules! errorf {
($($tt:tt)*) => {
@ -52,37 +52,44 @@ fn test_round_trip() {
};
let back = quote!(#krate).to_string();
let sess = ParseSess::new();
let before = match syntex_parse(content, &sess) {
Ok(before) => before,
Err(mut diagnostic) => {
diagnostic.cancel();
if diagnostic.message.starts_with("file not found for module") ||
diagnostic.message.starts_with("couldn't read") {
errorf!("ignore\n");
continue;
} else {
panic!(diagnostic.message.clone());
let equal = panic::catch_unwind(|| {
let sess = ParseSess::new();
let before = match syntex_parse(content, &sess) {
Ok(before) => before,
Err(mut diagnostic) => {
diagnostic.cancel();
if diagnostic.message.starts_with("file not found for module") {
errorf!("ignore\n");
return true;
} else {
errorf!("FAIL: {}\n", diagnostic.message);
return false;
}
}
}
};
let after = match syntex_parse(back, &sess) {
Ok(after) => after,
Err(mut diagnostic) => {
errorf!("syntex failed to parse");
diagnostic.emit();
failed += 1;
continue;
}
};
};
let after = match syntex_parse(back, &sess) {
Ok(after) => after,
Err(mut diagnostic) => {
errorf!("syntex failed to parse");
diagnostic.emit();
return false;
}
};
if before == after {
errorf!("pass in {}ms\n", elapsed.num_milliseconds());
} else {
errorf!("FAIL\nbefore: {}\nafter: {}\n",
format!("{:?}", before).replace("\n", ""),
format!("{:?}", after).replace("\n", ""));
failed += 1;
if before == after {
errorf!("pass in {}ms\n", elapsed.num_milliseconds());
true
} else {
errorf!("FAIL\nbefore: {}\nafter: {}\n",
format!("{:?}", before).replace("\n", ""),
format!("{:?}", after).replace("\n", ""));
false
}
});
match equal {
Err(_) => errorf!("syntex panic\n"),
Ok(true) => {},
Ok(false) => failed += 1,
}
}