rust/tests/ui/parser/unicode-escape-sequences.rs

//! Test ES6-style Unicode escape sequences in string literals.
//!
//! Regression test for RFC 446 implementation.
//! See <https://github.com/rust-lang/rust/pull/19480>.

//@ run-pass

pub fn main() {
    // Basic Unicode escape - snowman character
    let s = "\u{2603}";
    assert_eq!(s, "☃");

    let s = "\u{2a10}\u{2A01}\u{2Aa0}";
    assert_eq!(s, "⨐⨁⪠");

    let s = "\\{20}";
    let mut correct_s = String::from("\\");
    correct_s.push_str("{20}");
    assert_eq!(s, correct_s);
}