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defatalize get_test_runner

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This commit is contained in:
Mazdak Farrokhzad 2020-03-17 13:19:06 +01:00
parent 2868045a28
commit 0e0f9311da
1 changed files with 10 additions and 10 deletions
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20
src/librustc_builtin_macros/test_harness.rs
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@ -345,14 +345,14 @@ fn is_test_case(i: &ast::Item) -> bool {
fn get_test_runner(sd: &rustc_errors::Handler, krate: &ast::Crate) -> Option<ast::Path> {
let test_attr = attr::find_by_name(&krate.attrs, sym::test_runner)?;
test_attr.meta_item_list().map(|meta_list| {
if meta_list.len() != 1 {
sd.span_fatal(test_attr.span, "`#![test_runner(..)]` accepts exactly 1 argument")
.raise()
}
match meta_list[0].meta_item() {
Some(meta_item) if meta_item.is_word() => meta_item.path.clone(),
_ => sd.span_fatal(test_attr.span, "`test_runner` argument must be a path").raise(),
}
})
let meta_list = test_attr.meta_item_list()?;
let span = test_attr.span;
match &*meta_list {
[single] => match single.meta_item() {
Some(meta_item) if meta_item.is_word() => return Some(meta_item.path.clone()),
_ => sd.struct_span_err(span, "`test_runner` argument must be a path").emit(),
},
_ => sd.struct_span_err(span, "`#![test_runner(..)]` accepts exactly 1 argument").emit(),
}
None
}