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Add test mark

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This commit is contained in:
Florian Diebold 2019-12-15 21:06:08 +01:00
parent 6e1c2d0df8
commit 91853590a9
3 changed files with 9 additions and 2 deletions
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2
crates/ra_hir_ty/src/infer.rs
View file

@ -32,6 +32,7 @@ use hir_def::{
use hir_expand::{diagnostics::DiagnosticSink, name::name};
use ra_arena::map::ArenaMap;
use ra_prof::profile;
use test_utils::tested_by;
use super::{
primitive::{FloatTy, IntTy},
@ -282,6 +283,7 @@ impl<'a, D: HirDatabase> InferenceContext<'a, D> {
fn insert_vars_for_impl_trait(&mut self, ty: Ty) -> Ty {
ty.fold(&mut |ty| match ty {
Ty::Opaque(preds) => {
tested_by!(insert_vars_for_impl_trait);
let var = self.table.new_type_var();
let var_subst = Substs::builder(1).push(var.clone()).build();
self.obligations.extend(

1
crates/ra_hir_ty/src/marks.rs
View file

@ -6,4 +6,5 @@ test_utils::marks!(
type_var_resolves_to_int_var
match_ergonomics_ref
coerce_merge_fail_fallback
insert_vars_for_impl_trait
);

8
crates/ra_hir_ty/src/tests/traits.rs
View file

@ -1,7 +1,10 @@
use insta::assert_snapshot;
use ra_db::fixture::WithFixture;
use test_utils::covers;
use super::{infer, infer_with_mismatches, type_at, type_at_pos};
use crate::test_db::TestDB;
use insta::assert_snapshot;
use ra_db::fixture::WithFixture;
#[test]
fn infer_await() {
@ -1489,6 +1492,7 @@ fn test<T, U>() where T: Trait<U::Item>, U: Trait<T::Item> {
#[test]
fn unify_impl_trait() {
covers!(insert_vars_for_impl_trait);
assert_snapshot!(
infer_with_mismatches(r#"
trait Trait<T> {}