zzz_stable.rs - mozsearch

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#![cfg(syn_disable_nightly_tests)]

use std::io::{self, Write};

use termcolor::{Color, ColorChoice, ColorSpec, StandardStream, WriteColor};

const MSG: &str = "\

‖

‖   WARNING:

‖   This is not a nightly compiler so not all tests were able to

‖   run. Syn includes tests that compare Syn's parser against the

‖   compiler's parser, which requires access to unstable librustc

‖   data structures and a nightly compiler.

‖

";

#[test]

fn notice() -> io::Result<()> {

    let header = "WARNING";

    let index_of_header = MSG.find(header).unwrap();

    let before = &MSG[..index_of_header];

    let after = &MSG[index_of_header + header.len()..];

    let mut stderr = StandardStream::stderr(ColorChoice::Auto);

    stderr.set_color(ColorSpec::new().set_fg(Some(Color::Yellow)))?;

    write!(&mut stderr, "{}", before)?;

    stderr.set_color(ColorSpec::new().set_bold(true).set_fg(Some(Color::Yellow)))?;

    write!(&mut stderr, "{}", header)?;

    stderr.set_color(ColorSpec::new().set_fg(Some(Color::Yellow)))?;

    write!(&mut stderr, "{}", after)?;

    stderr.reset()?;

    Ok(())