63 lines
1.7 KiB
Rust
63 lines
1.7 KiB
Rust
extern crate rlua;
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use std::borrow::Cow;
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use rlua::{Lua, String};
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fn with_str<F>(s: &str, f: F)
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where
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F: FnOnce(String),
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{
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let lua = Lua::new();
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let string = lua.create_string(s).unwrap();
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f(string);
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}
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#[test]
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fn compare() {
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// Tests that all comparisons we want to have are usable
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with_str("teststring", |t| assert_eq!(t, "teststring")); // &str
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with_str("teststring", |t| assert_eq!(t, b"teststring")); // &[u8]
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with_str("teststring", |t| assert_eq!(t, b"teststring".to_vec())); // Vec<u8>
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with_str("teststring", |t| assert_eq!(t, "teststring".to_string())); // String
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with_str("teststring", |t| assert_eq!(t, t)); // rlua::String
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with_str("teststring", |t| {
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assert_eq!(t, Cow::from(b"teststring".as_ref()))
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}); // Cow (borrowed)
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with_str("bla", |t| assert_eq!(t, Cow::from(b"bla".to_vec()))); // Cow (owned)
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}
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#[test]
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fn string_views() {
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let lua = Lua::new();
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lua.eval::<()>(
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r#"
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ok = "null bytes are valid utf-8, wh\0 knew?"
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err = "but \xff isn't :("
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empty = ""
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"#,
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None,
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).unwrap();
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let globals = lua.globals();
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let ok: String = globals.get("ok").unwrap();
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let err: String = globals.get("err").unwrap();
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let empty: String = globals.get("empty").unwrap();
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assert_eq!(
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ok.to_str().unwrap(),
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"null bytes are valid utf-8, wh\0 knew?"
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);
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assert_eq!(
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ok.as_bytes(),
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&b"null bytes are valid utf-8, wh\0 knew?"[..]
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);
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assert!(err.to_str().is_err());
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assert_eq!(err.as_bytes(), &b"but \xff isn't :("[..]);
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assert_eq!(empty.to_str().unwrap(), "");
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assert_eq!(empty.as_bytes_with_nul(), &[0]);
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assert_eq!(empty.as_bytes(), &[]);
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}
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