#![cfg(syn_disable_nightly_tests)] extern crate termcolor; 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 libsyntax ‖ 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(()) }