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|
use super::*;
#[test]
fn macro_rules_are_globally_visible() {
let map = def_map(
"
//- /lib.rs
macro_rules! structs {
($($i:ident),*) => {
$(struct $i { field: u32 } )*
}
}
structs!(Foo);
mod nested;
//- /nested.rs
structs!(Bar, Baz);
",
);
assert_snapshot_matches!(map, @r###"
⋮crate
⋮Foo: t v
⋮nested: t
⋮structs: m
⋮
⋮crate::nested
⋮Bar: t v
⋮Baz: t v
"###);
}
#[test]
fn macro_rules_can_define_modules() {
let map = def_map(
"
//- /lib.rs
macro_rules! m {
($name:ident) => { mod $name; }
}
m!(n1);
//- /n1.rs
m!(n2)
//- /n1/n2.rs
struct X;
",
);
assert_snapshot_matches!(map, @r###"
⋮crate
⋮m: m
⋮n1: t
⋮
⋮crate::n1
⋮n2: t
⋮
⋮crate::n1::n2
⋮X: t v
"###);
}
#[test]
fn macro_rules_from_other_crates_are_visible() {
let map = def_map_with_crate_graph(
"
//- /main.rs
foo::structs!(Foo, Bar)
mod bar;
//- /bar.rs
use crate::*;
//- /lib.rs
#[macro_export]
macro_rules! structs {
($($i:ident),*) => {
$(struct $i { field: u32 } )*
}
}
",
crate_graph! {
"main": ("/main.rs", ["foo"]),
"foo": ("/lib.rs", []),
},
);
assert_snapshot_matches!(map, @r###"
⋮crate
⋮Bar: t v
⋮Foo: t v
⋮bar: t
⋮
⋮crate::bar
⋮Bar: t v
⋮Foo: t v
⋮bar: t
"###);
}
#[test]
fn unexpanded_macro_should_expand_by_fixedpoint_loop() {
let map = def_map_with_crate_graph(
"
//- /main.rs
macro_rules! baz {
() => {
use foo::bar;
}
}
foo!();
bar!();
baz!();
//- /lib.rs
#[macro_export]
macro_rules! foo {
() => {
struct Foo { field: u32 }
}
}
#[macro_export]
macro_rules! bar {
() => {
use foo::foo;
}
}
",
crate_graph! {
"main": ("/main.rs", ["foo"]),
"foo": ("/lib.rs", []),
},
);
assert_snapshot_matches!(map, @r###"
⋮crate
⋮Foo: t v
⋮bar: m
⋮baz: m
⋮foo: m
"###);
}
|
