rust/tests/ui/format-no-std.rs

29 lines
582 B
Rust

//@ run-pass
//@ ignore-emscripten no no_std executables
#![feature(lang_items, start)]
#![no_std]
extern crate std as other;
#[macro_use] extern crate alloc;
use alloc::string::ToString;
#[start]
fn start(_argc: isize, _argv: *const *const u8) -> isize {
let s = format!("{}", 1_isize);
assert_eq!(s, "1".to_string());
let s = format!("test");
assert_eq!(s, "test".to_string());
let s = format!("{test}", test=3_isize);
assert_eq!(s, "3".to_string());
let s = format!("hello {}", "world");
assert_eq!(s, "hello world".to_string());
0
}