68 lines
1.8 KiB
Rust
68 lines
1.8 KiB
Rust
use std::borrow::Cow;
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use mlua::{Result, String};
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include!("_lua.rs");
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#[test]
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fn compare() {
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fn with_str<F: FnOnce(String)>(s: &str, f: F) {
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f(make_lua().create_string(s).unwrap());
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}
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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)); // mlua::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() -> Result<()> {
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let lua = make_lua();
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lua.load(
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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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)
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.exec()?;
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let globals = lua.globals();
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let ok: String = globals.get("ok")?;
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let err: String = globals.get("err")?;
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let empty: String = globals.get("empty")?;
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assert_eq!(ok.to_str()?, "null bytes are valid utf-8, wh\0 knew?");
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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()?, "");
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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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Ok(())
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}
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#[test]
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fn raw_string() -> Result<()> {
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let lua = make_lua();
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let rs = lua.create_string(&[0, 1, 2, 3, 0, 1, 2, 3])?;
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assert_eq!(rs.as_bytes(), &[0, 1, 2, 3, 0, 1, 2, 3]);
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Ok(())
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}
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