54 lines
1.1 KiB
Rust
54 lines
1.1 KiB
Rust
// run-pass
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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_eq!(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_eq!(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("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("c");
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s.push_str("offee");
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assert_eq!(s, "coffee");
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s.push_str("&tea");
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assert_eq!(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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