tests/ui/check-cfg/diagnotics.rs

// check-pass
// compile-flags: --check-cfg=cfg(feature,values("foo")) --check-cfg=cfg(no_values) -Z unstable-options

#[cfg(featur)]
//~^ WARNING unexpected `cfg` condition name
fn feature() {}

#[cfg(featur = "foo")]
//~^ WARNING unexpected `cfg` condition name
fn feature() {}

#[cfg(featur = "fo")]
//~^ WARNING unexpected `cfg` condition name
fn feature() {}

#[cfg(feature = "foo")]
fn feature() {}

#[cfg(no_value)]
//~^ WARNING unexpected `cfg` condition name
fn no_values() {}

#[cfg(no_value = "foo")]
//~^ WARNING unexpected `cfg` condition name
fn no_values() {}

#[cfg(no_values = "bar")]
//~^ WARNING unexpected `cfg` condition value
fn no_values() {}

fn main() {}