Use expect in never_type tests

Author: lnicola

crates/ra_hir_ty/src/tests.rs

@@ -10,6 +10,7 @@ mod display_source_code;
 
 use std::sync::Arc;
 
+use expect::Expect;
 use hir_def::{
     body::{BodySourceMap, SyntheticSyntax},
     child_by_source::ChildBySource,
@@ -344,3 +345,29 @@ fn typing_whitespace_inside_a_function_should_not_invalidate_types() {
         assert!(!format!("{:?}", events).contains("infer"), "{:#?}", events)
     }
 }
+
+// Infer with some common definitions and impls.
+fn check_infer(ra_fixture: &str, expect: Expect) {
+    let defs = r#"
+        #[lang = "sized"]
+        pub trait Sized {}
+        #[lang = "unsize"]
+        pub trait Unsize<T: ?Sized> {}
+        #[lang = "coerce_unsized"]
+        pub trait CoerceUnsized<T> {}
+
+        impl<'a, 'b: 'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<&'a U> for &'b T {}
+        impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<*mut U> for *mut T {}
+    "#;
+
+    // Append to the end to keep positions unchanged.
+    let mut actual = infer(&format!("{}{}", ra_fixture, defs));
+    actual.push('\n');
+    expect.assert_eq(&actual);
+}
+
+fn check_infer_with_mismatches(ra_fixture: &str, expect: Expect) {
+    let mut actual = infer_with_mismatches(ra_fixture, true);
+    actual.push('\n');
+    expect.assert_eq(&actual);
+}

crates/ra_hir_ty/src/tests/coercion.rs

@@ -1,32 +1,7 @@
+use expect::expect;
 use test_utils::mark;
 
-use expect::{expect, Expect};
-
-// Infer with some common definitions and impls.
-fn check_infer(ra_fixture: &str, expect: Expect) {
-    let defs = r#"
-        #[lang = "sized"]
-        pub trait Sized {}
-        #[lang = "unsize"]
-        pub trait Unsize<T: ?Sized> {}
-        #[lang = "coerce_unsized"]
-        pub trait CoerceUnsized<T> {}
-
-        impl<'a, 'b: 'a, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<&'a U> for &'b T {}
-        impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<*mut U> for *mut T {}
-    "#;
-
-    // Append to the end to keep positions unchanged.
-    let mut actual = super::infer(&format!("{}{}", ra_fixture, defs));
-    actual.push('\n');
-    expect.assert_eq(&actual);
-}
-
-fn check_infer_with_mismatches(ra_fixture: &str, expect: Expect) {
-    let mut actual = super::infer_with_mismatches(ra_fixture, true);
-    actual.push('\n');
-    expect.assert_eq(&actual);
-}
+use super::{check_infer, check_infer_with_mismatches};
 
 #[test]
 fn infer_block_expr_type_mismatch() {