rust/tests/rustdoc-ui/doctest/doc-test-attr.rs

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#![crate_type = "lib"]
#![deny(invalid_doc_attributes)]
#![doc(test)]
//~^ ERROR `#[doc(test(...)]` takes a list of attributes
//~^^ WARN this was previously accepted by the compiler
#![doc(test = "hello")]
//~^ ERROR `#[doc(test(...)]` takes a list of attributes
//~^^ WARN this was previously accepted by the compiler
#![doc(test(a))]
//~^ ERROR unknown `doc(test)` attribute `a`
//~^^ WARN this was previously accepted by the compiler
pub fn foo() {}