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|
#![cfg_attr(
all(feature = "luajit", target_os = "macos", target_arch = "x86_64"),
feature(link_args)
)]
#[cfg_attr(
all(feature = "luajit", target_os = "macos", target_arch = "x86_64"),
link_args = "-pagezero_size 10000 -image_base 100000000"
)]
extern "system" {}
use mlua::{Lua, Nil, Result, Table, Value};
#[test]
fn test_set_get() -> Result<()> {
let lua = Lua::new();
let globals = lua.globals();
globals.set("foo", "bar")?;
globals.set("baz", "baf")?;
assert_eq!(globals.get::<_, String>("foo")?, "bar");
assert_eq!(globals.get::<_, String>("baz")?, "baf");
Ok(())
}
#[test]
fn test_table() -> Result<()> {
let lua = Lua::new();
let globals = lua.globals();
globals.set("table", lua.create_table()?)?;
let table1: Table = globals.get("table")?;
let table2: Table = globals.get("table")?;
table1.set("foo", "bar")?;
table2.set("baz", "baf")?;
assert_eq!(table2.get::<_, String>("foo")?, "bar");
assert_eq!(table1.get::<_, String>("baz")?, "baf");
lua.load(
r#"
table1 = {1, 2, 3, 4, 5}
table2 = {}
table3 = {1, 2, nil, 4, 5}
"#,
)
.exec()?;
let table1 = globals.get::<_, Table>("table1")?;
let table2 = globals.get::<_, Table>("table2")?;
let table3 = globals.get::<_, Table>("table3")?;
assert_eq!(table1.len()?, 5);
assert_eq!(
table1
.clone()
.pairs()
.collect::<Result<Vec<(i64, i64)>>>()?,
vec![(1, 1), (2, 2), (3, 3), (4, 4), (5, 5)]
);
assert_eq!(
table1
.clone()
.sequence_values()
.collect::<Result<Vec<i64>>>()?,
vec![1, 2, 3, 4, 5]
);
assert_eq!(table2.len()?, 0);
assert_eq!(
table2
.clone()
.pairs()
.collect::<Result<Vec<(i64, i64)>>>()?,
vec![]
);
assert_eq!(
table2.sequence_values().collect::<Result<Vec<i64>>>()?,
vec![]
);
// sequence_values should only iterate until the first border
assert_eq!(
table3.sequence_values().collect::<Result<Vec<i64>>>()?,
vec![1, 2]
);
globals.set("table4", lua.create_sequence_from(vec![1, 2, 3, 4, 5])?)?;
let table4 = globals.get::<_, Table>("table4")?;
assert_eq!(
table4.pairs().collect::<Result<Vec<(i64, i64)>>>()?,
vec![(1, 1), (2, 2), (3, 3), (4, 4), (5, 5)]
);
Ok(())
}
#[test]
fn test_table_scope() -> Result<()> {
let lua = Lua::new();
let globals = lua.globals();
lua.load(
r#"
touter = {
tin = {1, 2, 3}
}
"#,
)
.exec()?;
// Make sure that table gets do not borrow the table, but instead just borrow lua.
let tin;
{
let touter = globals.get::<_, Table>("touter")?;
tin = touter.get::<_, Table>("tin")?;
}
assert_eq!(tin.get::<_, i64>(1)?, 1);
assert_eq!(tin.get::<_, i64>(2)?, 2);
assert_eq!(tin.get::<_, i64>(3)?, 3);
Ok(())
}
#[test]
fn test_metatable() -> Result<()> {
let lua = Lua::new();
let table = lua.create_table()?;
let metatable = lua.create_table()?;
metatable.set("__index", lua.create_function(|_, ()| Ok("index_value"))?)?;
table.set_metatable(Some(metatable));
assert_eq!(table.get::<_, String>("any_key")?, "index_value");
match table.raw_get::<_, Value>("any_key")? {
Nil => {}
_ => panic!(),
}
table.set_metatable(None);
match table.get::<_, Value>("any_key")? {
Nil => {}
_ => panic!(),
};
Ok(())
}
#[test]
fn test_table_error() -> Result<()> {
let lua = Lua::new();
let globals = lua.globals();
lua.load(
r#"
table = {}
setmetatable(table, {
__index = function()
error("lua error")
end,
__newindex = function()
error("lua error")
end,
__len = function()
error("lua error")
end
})
"#,
)
.exec()?;
let bad_table: Table = globals.get("table")?;
assert!(bad_table.set(1, 1).is_err());
assert!(bad_table.get::<_, i32>(1).is_err());
assert!(bad_table.len().is_err());
assert!(bad_table.raw_set(1, 1).is_ok());
assert!(bad_table.raw_get::<_, i32>(1).is_ok());
assert_eq!(bad_table.raw_len(), 1);
Ok(())
}
|
