Repository navigation
Expand file tree
/
Copy pathfunction.rs
More file actions
163 lines (133 loc) · 4.21 KB
/
Copy pathfunction.rs
File metadata and controls
163 lines (133 loc) · 4.21 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
use mlua::{Function, Lua, Result, String};
#[test]
fn test_function() -> Result<()> {
let lua = Lua::new();
let globals = lua.globals();
lua.load(
r#"
function concat(arg1, arg2)
return arg1 .. arg2
end
"#,
)
.exec()?;
let concat = globals.get::<_, Function>("concat")?;
assert_eq!(concat.call::<_, String>(("foo", "bar"))?, "foobar");
Ok(())
}
#[test]
fn test_bind() -> Result<()> {
let lua = Lua::new();
let globals = lua.globals();
lua.load(
r#"
function concat(...)
local res = ""
for _, s in pairs({...}) do
res = res..s
end
return res
end
"#,
)
.exec()?;
let mut concat = globals.get::<_, Function>("concat")?;
concat = concat.bind("foo")?;
concat = concat.bind("bar")?;
concat = concat.bind(("baz", "baf"))?;
assert_eq!(
concat.call::<_, String>(("hi", "wut"))?,
"foobarbazbafhiwut"
);
Ok(())
}
#[test]
fn test_rust_function() -> Result<()> {
let lua = Lua::new();
let globals = lua.globals();
lua.load(
r#"
function lua_function()
return rust_function()
end
-- Test to make sure chunk return is ignored
return 1
"#,
)
.exec()?;
let lua_function = globals.get::<_, Function>("lua_function")?;
let rust_function = lua.create_function(|_, ()| Ok("hello"))?;
globals.set("rust_function", rust_function)?;
assert_eq!(lua_function.call::<_, String>(())?, "hello");
Ok(())
}
#[test]
fn test_c_function() -> Result<()> {
let lua = Lua::new();
unsafe extern "C" fn c_function(state: *mut mlua::lua_State) -> std::os::raw::c_int {
let lua = Lua::init_from_ptr(state);
lua.globals().set("c_function", true).unwrap();
0
}
let func = unsafe { lua.create_c_function(c_function)? };
func.call(())?;
assert_eq!(lua.globals().get::<_, bool>("c_function")?, true);
Ok(())
}
#[cfg(not(feature = "luau"))]
#[test]
fn test_dump() -> Result<()> {
let lua = unsafe { Lua::unsafe_new() };
let concat_lua = lua
.load(r#"function(arg1, arg2) return arg1 .. arg2 end"#)
.eval::<Function>()?;
let concat = lua.load(&concat_lua.dump(false)).into_function()?;
assert_eq!(concat.call::<_, String>(("foo", "bar"))?, "foobar");
Ok(())
}
#[test]
fn test_function_info() -> Result<()> {
let lua = Lua::new();
let globals = lua.globals();
lua.load(
r#"
function function1()
return function() end
end
"#,
)
.set_name("source1")?
.exec()?;
let function1 = globals.get::<_, Function>("function1")?;
let function2 = function1.call::<_, Function>(())?;
let function3 = lua.create_function(|_, ()| Ok(()))?;
let function1_info = function1.info();
#[cfg(feature = "luau")]
assert_eq!(function1_info.name, Some(b"function1".to_vec()));
assert_eq!(function1_info.source, Some(b"source1".to_vec()));
assert_eq!(function1_info.line_defined, 2);
#[cfg(not(feature = "luau"))]
assert_eq!(function1_info.last_line_defined, 4);
assert_eq!(function1_info.what, Some(b"Lua".to_vec()));
let function2_info = function2.info();
assert_eq!(function2_info.name, None);
assert_eq!(function2_info.source, Some(b"source1".to_vec()));
assert_eq!(function2_info.line_defined, 3);
#[cfg(not(feature = "luau"))]
assert_eq!(function2_info.last_line_defined, 3);
assert_eq!(function2_info.what, Some(b"Lua".to_vec()));
let function3_info = function3.info();
assert_eq!(function3_info.name, None);
assert_eq!(function3_info.source, Some(b"=[C]".to_vec()));
assert_eq!(function3_info.line_defined, -1);
#[cfg(not(feature = "luau"))]
assert_eq!(function3_info.last_line_defined, -1);
assert_eq!(function3_info.what, Some(b"C".to_vec()));
let print_info = globals.get::<_, Function>("print")?.info();
#[cfg(feature = "luau")]
assert_eq!(print_info.name, Some(b"print".to_vec()));
assert_eq!(print_info.source, Some(b"=[C]".to_vec()));
assert_eq!(print_info.what, Some(b"C".to_vec()));
assert_eq!(print_info.line_defined, -1);
Ok(())
}