rust-analyzer/crates/hir_ty/src/tests/display_source_code.rs

use super::check_types_source_code;

#[test]
fn qualify_path_to_submodule() {
    check_types_source_code(
        r#"
mod foo {
    pub struct Foo;
}

fn bar() {
    let foo: foo::Foo = foo::Foo;
    foo;
} //^^^ foo::Foo

"#,
    );
}

#[test]
fn omit_default_type_parameters() {
    check_types_source_code(
        r#"
struct Foo<T = u8> { t: T }
fn main() {
    let foo = Foo { t: 5u8 };
    foo;
} //^^^ Foo
"#,
    );

    check_types_source_code(
        r#"
struct Foo<K, T = u8> { k: K, t: T }
fn main() {
    let foo = Foo { k: 400, t: 5u8 };
    foo;
} //^^^ Foo<i32>
"#,
    );
}

#[test]
fn render_raw_ptr_impl_ty() {
    check_types_source_code(
        r#"
trait Sized {}
trait Unpin {}
fn foo() -> *const (impl Unpin + Sized) { loop {} }
fn main() {
    let foo = foo();
    foo;
} //^^^ *const (impl Unpin + Sized)
"#,
    );
}

#[test]
fn render_dyn_for_ty() {
    // FIXME
    check_types_source_code(
        r#"
trait Foo<'a> {}

fn foo(foo: &dyn for<'a> Foo<'a>) {}
    // ^^^ &dyn Foo
"#,
    );
}