src/test/ui/istr.rs

   1 // run-pass
   2
   3 use std::string::String;
   4
   5 fn test_stack_assign() {
   6     let s: String = "a".to_string();
   7     println!("{}", s.clone());
   8     let t: String = "a".to_string();
   9     assert_eq!(s, t);
  10     let u: String = "b".to_string();
  11     assert!((s != u));
  12 }
  13
  14 fn test_heap_lit() { "a big string".to_string(); }
  15
  16 fn test_heap_assign() {
  17     let s: String = "a big ol' string".to_string();
  18     let t: String = "a big ol' string".to_string();
  19     assert_eq!(s, t);
  20     let u: String = "a bad ol' string".to_string();
  21     assert!((s != u));
  22 }
  23
  24 fn test_heap_log() {
  25     let s = "a big ol' string".to_string();
  26     println!("{}", s);
  27 }
  28
  29 fn test_append() {
  30     let mut s = String::new();
  31     s.push_str("a");
  32     assert_eq!(s, "a");
  33
  34     let mut s = String::from("a");
  35     s.push_str("b");
  36     println!("{}", s.clone());
  37     assert_eq!(s, "ab");
  38
  39     let mut s = String::from("c");
  40     s.push_str("offee");
  41     assert_eq!(s, "coffee");
  42
  43     s.push_str("&tea");
  44     assert_eq!(s, "coffee&tea");
  45 }
  46
  47 pub fn main() {
  48     test_stack_assign();
  49     test_heap_lit();
  50     test_heap_assign();
  51     test_heap_log();
  52     test_append();
  53 }