Update tests with the new diagnostic tweaks

src/test/compile-fail/array-not-vector.rs

@@ -9,8 +9,8 @@
 // except according to those terms.
 
 fn main() {
-    let _x: int = [1i, 2, 3]; //~ ERROR expected int, found array
+    let _x: int = [1i, 2, 3]; //~ ERROR expected int, found array of 3 elements
 
     let x: &[int] = &[1, 2, 3];
-    let _y: &int = x; //~ ERROR expected int, found unsized array
+    let _y: &int = x; //~ ERROR expected int, found slice
 }

src/test/compile-fail/explicit-self-lifetime-mismatch.rs

@@ -16,10 +16,10 @@ struct Foo<'a,'b> {
 impl<'a,'b> Foo<'a,'b> {
     // The number of errors is related to the way invariance works.
     fn bar(self: Foo<'b,'a>) {}
-    //~^ ERROR mismatched types: expected `Foo<'a,'b>`, found `Foo<'b,'a>`
-    //~^^ ERROR mismatched types: expected `Foo<'a,'b>`, found `Foo<'b,'a>`
-    //~^^^ ERROR mismatched types: expected `Foo<'b,'a>`, found `Foo<'a,'b>`
-    //~^^^^ ERROR mismatched types: expected `Foo<'b,'a>`, found `Foo<'a,'b>`
+    //~^ ERROR mismatched types: expected `Foo<'a, 'b>`, found `Foo<'b, 'a>`
+    //~^^ ERROR mismatched types: expected `Foo<'a, 'b>`, found `Foo<'b, 'a>`
+    //~^^^ ERROR mismatched types: expected `Foo<'b, 'a>`, found `Foo<'a, 'b>`
+    //~^^^^ ERROR mismatched types: expected `Foo<'b, 'a>`, found `Foo<'a, 'b>`
 }
 
 fn main() {}

src/test/compile-fail/generic-type-params-name-repr.rs

@@ -29,13 +29,13 @@ fn main() {
 
     // Including cases where the default is using previous type params.
     let _: HashMap<String, int> = ();
-    //~^ ERROR mismatched types: expected `HashMap<collections::string::String,int>`, found `()`
+    //~^ ERROR mismatched types: expected `HashMap<collections::string::String, int>`, found `()`
     let _: HashMap<String, int, Hash<String>> = ();
-    //~^ ERROR mismatched types: expected `HashMap<collections::string::String,int>`, found `()`
+    //~^ ERROR mismatched types: expected `HashMap<collections::string::String, int>`, found `()`
 
     // But not when there's a different type in between.
     let _: Foo<A, int, C> = ();
-    //~^ ERROR mismatched types: expected `Foo<A,int>`, found `()`
+    //~^ ERROR mismatched types: expected `Foo<A, int>`, found `()`
 
     // And don't print <> at all when there's just defaults.
     let _: Foo<A, B, C> = ();

src/test/compile-fail/issue-13482.rs

@@ -12,8 +12,8 @@ fn main() {
   let x = [1,2];
   let y = match x {
     [] => None,
-//~^ ERROR mismatched types: expected `[<generic integer #0>, ..2]`, found `[<generic #7>, ..0]`
-//         (expected array, found array)
+//~^ ERROR types: expected `[_#0i, ..2]`, found `[_#7, ..0]`
+//         (expected array of 2 elements, found array of 0 elements)
     [a,_] => Some(a)
   };
 }

src/test/compile-fail/issue-16338.rs

@@ -12,7 +12,7 @@ use std::raw::Slice;
 
 fn main() {
     let Slice { data: data, len: len } = "foo";
-    //~^ ERROR mismatched types: expected `&str`, found `core::raw::Slice<<generic #3>>`
+    //~^ ERROR mismatched types: expected `&str`, found `core::raw::Slice<_>`
     //         (expected &-ptr, found struct core::raw::Slice)
 }
 

src/test/compile-fail/issue-16401.rs

@@ -13,7 +13,7 @@ use std::raw::Slice;
 fn main() {
     match () {
         Slice { data: data, len: len } => (),
-        //~^ ERROR mismatched types: expected `()`, found `core::raw::Slice<<generic #3>>`
+        //~^ ERROR mismatched types: expected `()`, found `core::raw::Slice<_>`
         //         (expected (), found struct core::raw::Slice)
         _ => unreachable!()
     }

src/test/compile-fail/issue-3680.rs

@@ -11,7 +11,7 @@
 fn main() {
     match None {
         Err(_) => ()
-        //~^ ERROR mismatched types: expected `core::option::Option<<generic #1>>`
-        //         , found `core::result::Result<<generic #2>,<generic #3>>`
+        //~^ ERROR mismatched types: expected `core::option::Option<_#1>`
+        //         , found `core::result::Result<_#2, _#3>`
     }
 }

src/test/compile-fail/issue-4201.rs

@@ -12,7 +12,7 @@ fn main() {
     let a = if true {
         0
     } else if false {
-//~^ ERROR if may be missing an else clause: expected `()`, found `<generic integer #1>`
+//~^ ERROR if may be missing an else clause: expected `()`, found `_#1i`
         1
     };
 }

src/test/compile-fail/issue-4968.rs

@@ -13,6 +13,6 @@
 const A: (int,int) = (4,2);
 fn main() {
     match 42 { A => () }
-    //~^ ERROR mismatched types: expected `<generic integer #0>`, found `(int,int)`
+    //~^ ERROR mismatched types: expected `_#0i`, found `(int, int)`
     //         (expected integral variable, found tuple)
 }

src/test/compile-fail/issue-5100.rs

@@ -13,32 +13,32 @@ enum A { B, C }
 fn main() {
     match (true, false) {
         B => (),
-        //~^ ERROR mismatched types: expected `(bool,bool)`, found `A`
-        //         (expected tuple, found enum A)
+//~^ ERROR mismatched types: expected `(bool, bool)`, found `A` (expected tuple, found enum A)
         _ => ()
     }
 
     match (true, false) {
         (true, false, false) => ()
-        //~^ ERROR mismatched types: expected `(bool,bool)`,
-        //         found `(<generic #7>,<generic #8>,<generic #9>)`
-        //         (expected a tuple with 2 elements, found one with 3 elements)
+//~^ ERROR mismatched types: expected `(bool, bool)`, found `(_#9, _#10, _#11)`
+    }
+
+    match (true, false) {
+        (true, false, false) => ()
+//~^ ERROR (expected a tuple with 2 elements, found one with 3 elements)
     }
 
     match (true, false) {
         box (true, false) => ()
-        //~^ ERROR mismatched types: expected `(bool,bool)`, found `Box<<generic #15>>`
-        //         (expected tuple, found box)
+//~^ ERROR mismatched types: expected `(bool, bool)`, found `Box<_>` (expected tuple, found box)
     }
 
     match (true, false) {
         &(true, false) => ()
-        //~^ ERROR mismatched types: expected `(bool,bool)`, found `&<generic #21>`
-        //         (expected tuple, found &-ptr)
+//~^ ERROR mismatched types: expected `(bool, bool)`, found `&_` (expected tuple, found &-ptr)
     }
 
 
-    let v = [('a', 'b')   //~ ERROR expected function, found `(char,char)`
+    let v = [('a', 'b')   //~ ERROR expected function, found `(char, char)`
              ('c', 'd'),
              ('e', 'f')];
 

src/test/compile-fail/issue-5500.rs

@@ -10,5 +10,5 @@
 
 fn main() {
     &panic!()
-    //~^ ERROR mismatched types: expected `()`, found `&<generic #2>` (expected (), found &-ptr)
+    //~^ ERROR mismatched types: expected `()`, found `&_` (expected (), found &-ptr)
 }

src/test/compile-fail/issue-7092.rs

@@ -14,7 +14,7 @@ enum Whatever {
 fn foo(x: Whatever) {
     match x {
         Some(field) =>
-//~^ ERROR: mismatched types: expected `Whatever`, found `core::option::Option<<generic #3>>`
+//~^ ERROR: mismatched types: expected `Whatever`, found `core::option::Option<_>`
             field.access(), //~ ERROR the type of this value must be known in this context
     }
 }

src/test/compile-fail/issue-7867.rs

@@ -14,14 +14,14 @@ mod foo { pub fn bar() {} }
 
 fn main() {
     match (true, false) {
-        B => (), //~ ERROR expected `(bool,bool)`, found `A` (expected tuple, found enum A)
+        B => (), //~ ERROR expected `(bool, bool)`, found `A` (expected tuple, found enum A)
         _ => ()
     }
 
     match &Some(42i) {
         Some(x) => (), //~ ERROR expected `&core::option::Option<int>`,
-                       //        found `core::option::Option<<generic #4>>`
+                       //        found `core::option::Option<_>`
         None => ()     //~ ERROR expected `&core::option::Option<int>`,
-                       //        found `core::option::Option<<generic #5>>`
+                       //        found `core::option::Option<_>`
     }
 }

src/test/compile-fail/map-types.rs

@@ -18,5 +18,5 @@ fn main() {
     let x: Box<HashMap<int, int>> = box HashMap::new();
     let x: Box<Map<int, int>> = x;
     let y: Box<Map<uint, int>> = box x;
-    //~^ ERROR the trait `collections::Map<uint,int>` is not implemented
+    //~^ ERROR the trait `collections::Map<uint, int>` is not implemented
 }

src/test/compile-fail/match-vec-mismatch-2.rs

@@ -11,6 +11,6 @@
 fn main() {
     match () {
         [()] => { }
-//~^ ERROR mismatched types: expected `()`, found `&[<generic #1>]` (expected (), found &-ptr)
+//~^ ERROR mismatched types: expected `()`, found `&[_]` (expected (), found &-ptr)
     }
 }

src/test/compile-fail/repeat_count.rs

@@ -18,7 +18,7 @@ fn main() {
     let c = [0, ..true]; //~ ERROR expected positive integer for repeat count, found boolean
     //~^ ERROR: expected `uint`, found `bool`
     let d = [0, ..0.5]; //~ ERROR expected positive integer for repeat count, found float
-    //~^ ERROR: expected `uint`, found `<generic float #0>`
+    //~^ ERROR: expected `uint`, found `_#0f`
     let e = [0, .."foo"]; //~ ERROR expected positive integer for repeat count, found string
     //~^ ERROR: expected `uint`, found `&'static str`
     let f = [0, ..-4];

src/test/compile-fail/slightly-nice-generic-literal-messages.rs

@@ -13,7 +13,7 @@ struct Foo<T,U>(T);
 fn main() {
     match Foo(1.1) {
         1 => {}
-        //~^ ERROR expected `Foo<<generic float #0>,<generic #2>>`, found `<generic integer #0>`
+    //~^ ERROR expected `Foo<_#0f, _#2>`, found `_#0i`
     }
 
 }

src/test/compile-fail/suppressed-error.rs

@@ -10,6 +10,6 @@
 
 fn main() {
     let (x, y) = ();
-//~^ ERROR types: expected `()`, found `(<generic #3>,<generic #4>)` (expected (), found tuple)
+//~^ ERROR expected `()`, found `(_#3, _#4)` (expected (), found tuple)
     return x;
 }

src/test/compile-fail/tuple-arity-mismatch.rs

@@ -15,4 +15,7 @@ fn first((value, _): (int, f64)) -> int { value }
 fn main() {
     let y = first ((1,2.0,3));
     //~^ ERROR expected a tuple with 2 elements, found one with 3 elements
+
+    let y = first ((1,));
+    //~^ ERROR expected `(int, f64)`, found `(int,)`
 }

src/test/compile-fail/tuple-index-out-of-bounds.rs

@@ -22,5 +22,5 @@ fn main() {
     tuple.0;
     tuple.1;
     tuple.2;
-    //~^ ERROR attempted out-of-bounds tuple index `2` on type `(int,int)`
+    //~^ ERROR attempted out-of-bounds tuple index `2` on type `(int, int)`
 }

src/test/compile-fail/typeck_type_placeholder_mismatch.rs

@@ -19,11 +19,11 @@ pub fn main() {
 
 fn test1() {
     let x: Foo<_> = Bar::<uint>;
-    //~^ ERROR mismatched types: expected `Foo<<generic #0>>`, found `Bar<uint>`
+    //~^ ERROR mismatched types: expected `Foo<_>`, found `Bar<uint>`
     let y: Foo<uint> = x;
 }
 
 fn test2() {
     let x: Foo<_> = Bar::<uint>;
-    //~^ ERROR mismatched types: expected `Foo<<generic #0>>`, found `Bar<uint>`
+    //~^ ERROR mismatched types: expected `Foo<_>`, found `Bar<uint>`
 }