src/test/run-pass/istr.rs

   1 // Copyright 2012 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #![feature(collections)]
  12
  13 use std::string::String;
  14
  15 fn test_stack_assign() {
  16     let s: String = "a".to_string();
  17     println!("{}", s.clone());
  18     let t: String = "a".to_string();
  19     assert_eq!(s, t);
  20     let u: String = "b".to_string();
  21     assert!((s != u));
  22 }
  23
  24 fn test_heap_lit() { "a big string".to_string(); }
  25
  26 fn test_heap_assign() {
  27     let s: String = "a big ol' string".to_string();
  28     let t: String = "a big ol' string".to_string();
  29     assert_eq!(s, t);
  30     let u: String = "a bad ol' string".to_string();
  31     assert!((s != u));
  32 }
  33
  34 fn test_heap_log() {
  35     let s = "a big ol' string".to_string();
  36     println!("{}", s);
  37 }
  38
  39 fn test_append() {
  40     let mut s = String::new();
  41     s.push_str("a");
  42     assert_eq!(s, "a");
  43
  44     let mut s = String::from("a");
  45     s.push_str("b");
  46     println!("{}", s.clone());
  47     assert_eq!(s, "ab");
  48
  49     let mut s = String::from("c");
  50     s.push_str("offee");
  51     assert_eq!(s, "coffee");
  52
  53     s.push_str("&tea");
  54     assert_eq!(s, "coffee&tea");
  55 }
  56
  57 pub fn main() {
  58     test_stack_assign();
  59     test_heap_lit();
  60     test_heap_assign();
  61     test_heap_log();
  62     test_append();
  63 }