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|
// Take a look at the license at the top of the repository in the LICENSE file.
use std::rc::Rc;
use glib::clone;
#[test]
fn clone() {
let v = Rc::new(1);
let _ = clone!(@strong v => @default-return None::<i32>, move || {println!("foo"); 1});
let v = Rc::new(1);
let _ = clone!(@weak v => @default-return None::<i32>, move || {println!("foo"); Some(1)});
let v = "123";
let _ = clone!(@to-owned v => @default-return None::<i32>, move || {println!("foo"); 1});
}
const TESTS: &[(&str, &str)] = &[
(
"clone!( => move || {})",
"If you have nothing to clone, no need to use this macro!",
),
(
"clone!(|| {})",
"If you have nothing to clone, no need to use this macro!",
),
(
"clone!(|a, b| {})",
"If you have nothing to clone, no need to use this macro!",
),
(
"clone!(@weak a, @weak b => |x| {})",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_3.rs:1:86
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak a, @weak b => |x| {}); }
| ^"#,
),
(
"clone!(@weak a, @weak b => || {})",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_4.rs:1:86
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak a, @weak b => || {}); }
| ^"#,
),
(
"clone!(@weak a, @weak b => |x| println!(\"a\"))",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_5.rs:1:86
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak a, @weak b => |x| println!("a")); }
| ^"#,
),
(
"clone!(@weak a, @weak b => || println!(\"a\"))",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_6.rs:1:86
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak a, @weak b => || println!("a")); }
| ^"#,
),
(
"clone!(@weak a => |x| {})",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_7.rs:1:77
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak a => |x| {}); }
| ^"#,
),
(
"clone!(@weak a => || {})",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_8.rs:1:77
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak a => || {}); }
| ^"#,
),
(
"clone!(@weak a => |x| println!(\"a\"))",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_9.rs:1:77
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak a => |x| println!("a")); }
| ^"#,
),
(
"clone!(@weak a => || println!(\"a\"))",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_10.rs:1:77
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak a => || println!("a")); }
| ^"#,
),
(
"clone!(@strong self => move |x| {})",
r#"error: Can't use `self` as variable name. Try storing it in a temporary variable or rename it using `as`.
--> test_11.rs:1:74
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@strong self => move |x| {}); }
| ^^^^
"#,
),
(
"clone!(@strong self.v => move |x| {})",
r#"error: `self.v`: Field accesses are not allowed as is, you must rename it!
--> test_12.rs:1:79
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@strong self.v => move |x| {}); }
| ^
"#,
),
(
"clone!(@weak v => @default-return false, || {})",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_13.rs:1:100
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak v => @default-return false, || {}); }
| ^"#,
),
(
"clone!(@weak v => @default-return false, || println!(\"a\"))",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_14.rs:1:100
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak v => @default-return false, || println!("a")); }
| ^"#,
),
(
"clone!(@weak v => @default-return false, |bla| {})",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_15.rs:1:100
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak v => @default-return false, |bla| {}); }
| ^
"#,
),
(
"clone!(@weak v => @default-return false, |bla| println!(\"a\"))",
r#"error: Closure needs to be "moved" so please add `move` before closure
--> test_16.rs:1:100
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak v => @default-return false, |bla| println!("a")); }
| ^
"#,
),
(
"clone!(@weak v => default-return false, move || {})",
r#"error: Missing `@` before `default-return`
--> test_17.rs:1:77
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak v => default-return false, move || {}); }
| ^^^^^^^
"#,
),
(
"clone!(@weak v => @default-return false move || {})",
r#"error: Expected `,` after `@default-return false`, found `move`
--> test_18.rs:1:99
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@weak v => @default-return false move || {}); }
| ^^^^
"#,
),
(
"clone!(@yolo v => move || {})",
r#"error: Unknown keyword `yolo`, only `weak`, `weak-allow-none`, `to-owned` and `strong` are allowed
--> test_19.rs:1:67
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@yolo v => move || {}); }
| ^^^^
"#,
),
(
"clone!(v => move || {})",
r#"error: Unexpected ident `v`: you need to specify if this is a weak or a strong clone.
--> test_20.rs:1:66
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(v => move || {}); }
| ^
"#,
),
(
"clone!(@strong v => {println!(\"foo\");})",
r#"error: Missing `move` and closure declaration
--> test_21.rs:1:79
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@strong v => {println!("foo");}); }
| ^^^^^^^^^^^^^^^^^^
"#,
),
(
"clone!(@strong v, @default-return lol => move || {println!(\"foo\");})",
r#"error: `@default-return` should be after `=>`
--> test_22.rs:1:78
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@strong v, @default-return lol => move || {println!("foo");}); }
| ^^^^^^^
"#,
),
(
"clone!(@default-return lol, @strong v => move || {println!(\"foo\");})",
r#"error: `@default-return` should be after `=>`
--> test_23.rs:1:67
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@default-return lol, @strong v => move || {println!("foo");}); }
| ^^^^^^^
"#,
),
// The async part!
(
"clone!(@strong v => async || {println!(\"foo\");})",
r#"error: Expected `move` after `async`, found `|`
--> test_24.rs:1:85
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@strong v => async || {println!("foo");}); }
| ^"#,
),
(
"clone!(@strong v => async {println!(\"foo\");})",
r#"error: Expected `move` after `async`, found `{`
--> test_25.rs:1:85
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@strong v => async {println!("foo");}); }
| ^^^^^^^^^^^^^^^^^^
"#,
),
(
"clone!(@strong v => move || async {println!(\"foo\");})",
r#"error: Expected `move` after `async`, found `{`
--> test_26.rs:1:93
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@strong v => move || async {println!("foo");}); }
| ^^^^^^^^^^^^^^^^^^
"#,
),
(
"clone!(@strong v => move || async println!(\"foo\");)",
r#"error: Expected `move` after `async`, found `println`
--> test_27.rs:1:93
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@strong v => move || async println!("foo");); }
| ^^^^^^^
"#,
),
(
"clone!(@strong v => move || async move println!(\"foo\");)",
r#"error: Expected block after `| async move`
--> test_28.rs:1:98
|
1 | fn main() { use glib::clone; let v = std::rc::Rc::new(1); clone!(@strong v => move || async move println!("foo");); }
| ^^^^^^^
"#,
),
];
#[test]
fn clone_failures() {
let t = trybuild2::TestCases::new();
for (index, (expr, err)) in TESTS.iter().enumerate() {
let prefix = "fn main() { use glib::clone; let v = std::rc::Rc::new(1); ";
let suffix = "; }";
let output = format!("{prefix}{expr}{suffix}");
t.compile_fail_inline_check_sub(&format!("test_{index}"), &output, err);
}
}
const NO_WARNING: &[&str] = &[
"clone!(@weak v => @default-return (), move || println!(\"{}\", v);)",
"clone!(@weak v => @default-return (()), move || println!(\"{}\", v);)",
"clone!(@weak v => @default-return ( () ), move || println!(\"{}\", v);)",
"clone!(@weak v => @default-return ( ), move || println!(\"{}\", v);)",
];
// Ensures that no warning are emitted if the default-return is a unit tuple.
#[test]
fn clone_unit_tuple_return() {
let t = trybuild2::TestCases::new();
for (index, expr) in NO_WARNING.iter().enumerate() {
let prefix = "fn main() { use glib::clone; let v = std::rc::Rc::new(1); ";
let suffix = "; }";
let output = format!("{prefix}{expr}{suffix}");
t.pass_inline(&format!("test_{index}"), &output);
}
}
|
