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