Tidying up tests/ui/issues tests [3/N]

src/tools/tidy/src/issues.txt

@@ -2892,7 +2892,6 @@ ui/typeck/issue-105946.rs
 ui/typeck/issue-106929.rs
 ui/typeck/issue-107087.rs
 ui/typeck/issue-107775.rs
-ui/typeck/issue-10969.rs
 ui/typeck/issue-110017-format-into-help-deletes-macro.rs
 ui/typeck/issue-110052.rs
 ui/typeck/issue-112007-leaked-writeln-macro-internals.rs

tests/ui/closures/simple-capture-and-call.rs

@@ -0,0 +1,8 @@
+//! regression test for issue #1895
+//@ run-pass
+
+fn main() {
+    let x = 1_usize;
+    let y = || x;
+    let _z = y();
+}

tests/ui/issues/issue-2642.rs → tests/ui/for-loop-while/nested-loop-break-unit.rs

@@ -1,3 +1,4 @@
+//! regression test for issue #2642
 //@ run-pass
 #![allow(dead_code)]
 

tests/ui/issues/issue-47673.rs → tests/ui/imports/duplicate-empty-imports.rs

@@ -1,3 +1,4 @@
+//! regression test for issue #47673
 //@ check-pass
 #![allow(unused_imports)]
 

tests/ui/issues/issue-3500.rs → tests/ui/match/match-ref-option-pattern.rs

@@ -1,3 +1,4 @@
+//! regression test for issue #3500
 //@ run-pass
 
 pub fn main() {

tests/ui/issues/issue-72933-match-stack-overflow.rs → tests/ui/match/match-stack-overflow-72933-.rs

@@ -1,6 +1,7 @@
+//! regression test for issue #72933
 //@ build-pass
 // ignore-tidy-filelength
-#![crate_type="rlib"]
+#![crate_type = "rlib"]
 
 fn banana(v: &str) -> u32 {
     match v {

tests/ui/privacy/private-item-simple.rs

@@ -1,7 +1,13 @@
+//! regression test for issue #3993
+
 mod a {
     fn f() {}
 }
 
 fn main() {
     a::f(); //~ ERROR function `f` is private
 }
+
+fn foo() {
+    use a::f; //~ ERROR function `f` is private
+}

tests/ui/privacy/private-item-simple.stderr

@@ -1,15 +1,27 @@
 error[E0603]: function `f` is private
-  --> $DIR/private-item-simple.rs:6:8
+  --> $DIR/private-item-simple.rs:12:12
+   |
+LL |     use a::f;
+   |            ^ private function
+   |
+note: the function `f` is defined here
+  --> $DIR/private-item-simple.rs:4:5
+   |
+LL |     fn f() {}
+   |     ^^^^^^
+
+error[E0603]: function `f` is private
+  --> $DIR/private-item-simple.rs:8:8
    |
 LL |     a::f();
    |        ^ private function
    |
 note: the function `f` is defined here
-  --> $DIR/private-item-simple.rs:2:5
+  --> $DIR/private-item-simple.rs:4:5
    |
 LL |     fn f() {}
    |     ^^^^^^
 
-error: aborting due to 1 previous error
+error: aborting due to 2 previous errors
 
 For more information about this error, try `rustc --explain E0603`.

tests/ui/issues/issue-47377.rs → tests/ui/str/str-add-operator.rs

@@ -1,3 +1,4 @@
+//! regression test for issue #47377, #47380
 // ignore-tidy-tab
 fn main() {
  	let b = "hello";

tests/ui/issues/issue-47377.stderr → tests/ui/str/str-add-operator.stderr

@@ -1,5 +1,5 @@
 error[E0369]: cannot add `&str` to `&str`
-  --> $DIR/issue-47377.rs:4:14
+  --> $DIR/str-add-operator.rs:5:14
    |
 LL |      let _a = b + ", World!";
    |               - ^ ---------- &str

tests/ui/issues/issue-51044.rs → tests/ui/traits/normalize-associated-type-in-where-clause.rs

@@ -1,30 +1,30 @@
 //@ run-pass
-// regression test for issue #50825
-// Check that the feature gate normalizes associated types.
+//! regression test for issue #50825, #51044
+//! Check that the feature gate normalizes associated types.
 
 #![allow(dead_code)]
 struct Foo<T>(T);
 struct Duck;
 struct Quack;
 
-trait Hello<A> where A: Animal {
+trait Hello<A>
+where
+    A: Animal,
+{
 }
 
 trait Animal {
     type Noise;
 }
 
-trait Loud<R>  {
-}
+trait Loud<R> {}
 
-impl Loud<Quack> for f32 {
-}
+impl Loud<Quack> for f32 {}
 
 impl Animal for Duck {
     type Noise = Quack;
 }
 
-impl Hello<Duck> for Foo<f32> where f32: Loud<<Duck as Animal>::Noise> {
-}
+impl Hello<Duck> for Foo<f32> where f32: Loud<<Duck as Animal>::Noise> {}
 
 fn main() {}

tests/ui/issues/issue-2151.rs → tests/ui/type/never-type-inference-fail.rs

@@ -1,3 +1,5 @@
+//! regression test for issue #2151
+
 fn main() {
     let x = panic!(); //~ ERROR type annotations needed
     x.clone();

tests/ui/issues/issue-2151.stderr → tests/ui/type/never-type-inference-fail.stderr

@@ -1,5 +1,5 @@
 error[E0282]: type annotations needed
-  --> $DIR/issue-2151.rs:2:9
+  --> $DIR/never-type-inference-fail.rs:4:9
    |
 LL |     let x = panic!();
    |         ^

tests/ui/typeck/non-function-call-error.rs

@@ -0,0 +1,19 @@
+//! Regression test for issue #10969, #22468
+
+fn main() {
+    let foo = "bar";
+    let x = foo("baz");
+    //~^ ERROR: expected function, found `&str`
+
+    let i = 0i32;
+    i();
+    //~^ ERROR expected function, found `i32`
+}
+
+fn foo(file: &str) -> bool {
+    true
+}
+
+fn func(i: i32) {
+    i(); //~ERROR expected function, found `i32`
+}

tests/ui/typeck/non-function-call-error.stderr

@@ -0,0 +1,36 @@
+error[E0618]: expected function, found `&str`
+  --> $DIR/non-function-call-error.rs:5:13
+   |
+LL |     let foo = "bar";
+   |         --- `foo` has type `&str`
+LL |     let x = foo("baz");
+   |             ^^^-------
+   |             |
+   |             call expression requires function
+...
+LL | fn foo(file: &str) -> bool {
+   | -------------------------- this function of the same name is available here, but it's shadowed by the local binding
+
+error[E0618]: expected function, found `i32`
+  --> $DIR/non-function-call-error.rs:9:5
+   |
+LL |     let i = 0i32;
+   |         - `i` has type `i32`
+LL |     i();
+   |     ^--
+   |     |
+   |     call expression requires function
+
+error[E0618]: expected function, found `i32`
+  --> $DIR/non-function-call-error.rs:18:5
+   |
+LL | fn func(i: i32) {
+   |         - `i` has type `i32`
+LL |     i();
+   |     ^--
+   |     |
+   |     call expression requires function
+
+error: aborting due to 3 previous errors
+
+For more information about this error, try `rustc --explain E0618`.