62 lines
1.6 KiB
Rust
62 lines
1.6 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
use std::string::String;
|
|
|
|
fn test_stack_assign() {
|
|
let s: String = "a".to_string();
|
|
println!("{}", s.clone());
|
|
let t: String = "a".to_string();
|
|
assert!(s == t);
|
|
let u: String = "b".to_string();
|
|
assert!((s != u));
|
|
}
|
|
|
|
fn test_heap_lit() { "a big string".to_string(); }
|
|
|
|
fn test_heap_assign() {
|
|
let s: String = "a big ol' string".to_string();
|
|
let t: String = "a big ol' string".to_string();
|
|
assert!(s == t);
|
|
let u: String = "a bad ol' string".to_string();
|
|
assert!((s != u));
|
|
}
|
|
|
|
fn test_heap_log() {
|
|
let s = "a big ol' string".to_string();
|
|
println!("{}", s);
|
|
}
|
|
|
|
fn test_append() {
|
|
let mut s = String::new();
|
|
s.push_str("a");
|
|
assert_eq!(s.as_slice(), "a");
|
|
|
|
let mut s = String::from_str("a");
|
|
s.push_str("b");
|
|
println!("{}", s.clone());
|
|
assert_eq!(s.as_slice(), "ab");
|
|
|
|
let mut s = String::from_str("c");
|
|
s.push_str("offee");
|
|
assert!(s.as_slice() == "coffee");
|
|
|
|
s.push_str("&tea");
|
|
assert!(s.as_slice() == "coffee&tea");
|
|
}
|
|
|
|
pub fn main() {
|
|
test_stack_assign();
|
|
test_heap_lit();
|
|
test_heap_assign();
|
|
test_heap_log();
|
|
test_append();
|
|
}
|