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//@ check-pass
//! This file tests the `#[expect]` attribute implementation for tool lints. The same
//! file is used to test clippy and rustdoc. Any changes to this file should be synced
//! to the other test files.
//!
//! Expectations:
//! * rustc: only rustc lint expectations are emitted
//! * clippy: rustc and Clippy's expectations are emitted
//! * rustdoc: only rustdoc lint expectations are emitted
//!
//! This test can't cover every lint from Clippy, rustdoc and potentially other
//! tools that will be developed. This therefore only tests a small subset of lints
#![expect(rustdoc::missing_crate_level_docs)]
mod rustc_ok {
//! See <https://doc.rust-lang.org/rustc/lints/index.html>
#[expect(dead_code)]
pub fn rustc_lints() {
let x = 42.0;
#[expect(invalid_nan_comparisons)]
let _b = x == f32::NAN;
}
}
mod rustc_warn {
//! See <https://doc.rust-lang.org/rustc/lints/index.html>
#[expect(dead_code)]
//~^ WARNING this lint expectation is unfulfilled [unfulfilled_lint_expectations]
//~| NOTE `#[warn(unfulfilled_lint_expectations)]` on by default
pub fn rustc_lints() {
let x = 42;
#[expect(invalid_nan_comparisons)]
//~^ WARNING this lint expectation is unfulfilled [unfulfilled_lint_expectations]
//~| WARNING this lint expectation is unfulfilled [unfulfilled_lint_expectations]
//~| NOTE duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
let _b = x == 5;
}
}
pub mod rustdoc_ok {
//! See <https://doc.rust-lang.org/rustdoc/lints.html>
#[expect(rustdoc::broken_intra_doc_links)]
/// I want to link to [`Nonexistent`] but it doesn't exist!
pub fn foo() {}
#[expect(rustdoc::invalid_html_tags)]
/// <h1>
pub fn bar() {}
#[expect(rustdoc::bare_urls)]
/// http://example.org
pub fn baz() {}
}
pub mod rustdoc_warn {
//! See <https://doc.rust-lang.org/rustdoc/lints.html>
#[expect(rustdoc::broken_intra_doc_links)]
/// I want to link to [`bar`] but it doesn't exist!
pub fn foo() {}
#[expect(rustdoc::invalid_html_tags)]
/// <h1></h1>
pub fn bar() {}
#[expect(rustdoc::bare_urls)]
/// <http://example.org>
pub fn baz() {}
}
mod clippy_ok {
//! See <https://rust-lang.github.io/rust-clippy/master/index.html>
#[expect(clippy::almost_swapped)]
fn foo() {
let mut a = 0;
let mut b = 9;
a = b;
b = a;
}
#[expect(clippy::bytes_nth)]
fn bar() {
let _ = "Hello".bytes().nth(3);
}
#[expect(clippy::if_same_then_else)]
fn baz() {
let _ = if true {
42
} else {
42
};
}
#[expect(clippy::logic_bug)]
fn burger() {
let a = false;
let b = true;
if a && b || a {}
}
}
mod clippy_warn {
//! See <https://rust-lang.github.io/rust-clippy/master/index.html>
#[expect(clippy::almost_swapped)]
fn foo() {
let mut a = 0;
let mut b = 9;
a = b;
}
#[expect(clippy::bytes_nth)]
fn bar() {
let _ = "Hello".as_bytes().get(3);
}
#[expect(clippy::if_same_then_else)]
fn baz() {
let _ = if true {
33
} else {
42
};
}
#[expect(clippy::logic_bug)]
fn burger() {
let a = false;
let b = true;
let c = false;
if a && b || c {}
}
}
fn main() {
rustc_warn::rustc_lints();
}
|
