Placate box protocol by switching to Box::new in various test code.

Author: pnkfelix

src/libcoretest/mem.rs

@@ -95,7 +95,7 @@ fn test_transmute() {
     trait Foo { fn dummy(&self) { } }
     impl Foo for isize {}
 
-    let a = box 100isize as Box<Foo>;
+    let a = Box::new(100isize) as Box<Foo>;
     unsafe {
         let x: ::core::raw::TraitObject = transmute(a);
         assert!(*(x.data as *const isize) == 100);

src/libcoretest/option.rs

@@ -234,7 +234,7 @@ fn test_collect() {
 
     // test that it does not take more elements than it needs
     let mut functions: [Box<Fn() -> Option<()>>; 3] =
-        [box || Some(()), box || None, box || panic!()];
+        [Box::new(|| Some(())), Box::new(|| None), Box::new(|| panic!())];
 
     let v: Option<Vec<()>> = functions.iter_mut().map(|f| (*f)()).collect();
 

src/libcoretest/result.rs

@@ -80,7 +80,7 @@ fn test_collect() {
 
     // test that it does not take more elements than it needs
     let mut functions: [Box<Fn() -> Result<(), isize>>; 3] =
-        [box || Ok(()), box || Err(1), box || panic!()];
+        [Box::new(|| Ok(())), Box::new(|| Err(1)), Box::new(|| panic!())];
 
     let v: Result<Vec<()>, isize> = functions.iter_mut().map(|f| (*f)()).collect();
     assert!(v == Err(1));

src/librustc_driver/test.rs

@@ -92,7 +92,7 @@ impl Emitter for ExpectErrorEmitter {
 
 fn errors(msgs: &[&str]) -> (Box<Emitter+Send>, usize) {
     let v = msgs.iter().map(|m| m.to_string()).collect();
-    (box ExpectErrorEmitter { messages: v } as Box<Emitter+Send>, msgs.len())
+    (Box::new(ExpectErrorEmitter { messages: v }) as Box<Emitter+Send>, msgs.len())
 }
 
 fn test_env<F>(source_string: &str,

src/libstd/thread/mod.rs

@@ -967,7 +967,7 @@ mod tests {
     #[test]
     fn test_try_panic_message_any() {
         match thread::spawn(move|| {
-            panic!(box 413u16 as Box<Any + Send>);
+            panic!(Box::new(413u16) as Box<Any + Send>);
         }).join() {
             Err(e) => {
                 type T = Box<Any + Send>;

src/test/debuginfo/trait-pointers.rs

@@ -33,5 +33,5 @@ impl Trait for Struct {}
 fn main() {
     let stack_struct = Struct { a:0, b: 1.0 };
     let reference: &Trait = &stack_struct as &Trait;
-    let unique: Box<Trait> = box Struct { a:2, b: 3.0 } as Box<Trait>;
+    let unique: Box<Trait> = Box::new(Struct { a:2, b: 3.0 }) as Box<Trait>;
 }