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-rw-r--r--src/test/ui/lint/trivial_casts.rs85
1 files changed, 0 insertions, 85 deletions
diff --git a/src/test/ui/lint/trivial_casts.rs b/src/test/ui/lint/trivial_casts.rs
deleted file mode 100644
index 0a8b9de1d..000000000
--- a/src/test/ui/lint/trivial_casts.rs
+++ /dev/null
@@ -1,85 +0,0 @@
-// Test the trivial_casts and trivial_numeric_casts lints. For each error we also
-// check that the cast can be done using just coercion.
-
-#![deny(trivial_casts, trivial_numeric_casts)]
-
-trait Foo {
- fn foo(&self) {}
-}
-
-pub struct Bar;
-
-impl Foo for Bar {}
-
-pub fn main() {
- // Numeric
- let _ = 42_i32 as i32; //~ ERROR trivial numeric cast: `i32` as `i32`
- let _: i32 = 42_i32;
-
- let _ = 42_u8 as u8; //~ ERROR trivial numeric cast: `u8` as `u8`
- let _: u8 = 42_u8;
-
- // & to * pointers
- let x: &u32 = &42;
- let _ = x as *const u32; //~ERROR trivial cast: `&u32` as `*const u32`
- let _: *const u32 = x;
-
- let x: &mut u32 = &mut 42;
- let _ = x as *mut u32; //~ERROR trivial cast: `&mut u32` as `*mut u32`
- let _: *mut u32 = x;
-
- // unsize array
- let x: &[u32; 3] = &[42, 43, 44];
- let _ = x as &[u32]; //~ERROR trivial cast: `&[u32; 3]` as `&[u32]`
- let _ = x as *const [u32]; //~ERROR trivial cast: `&[u32; 3]` as `*const [u32]`
- let _: &[u32] = x;
- let _: *const [u32] = x;
-
- let x: &mut [u32; 3] = &mut [42, 43, 44];
- let _ = x as &mut [u32]; //~ERROR trivial cast: `&mut [u32; 3]` as `&mut [u32]`
- let _ = x as *mut [u32]; //~ERROR trivial cast: `&mut [u32; 3]` as `*mut [u32]`
- let _: &mut [u32] = x;
- let _: *mut [u32] = x;
-
- let x: Box<[u32; 3]> = Box::new([42, 43, 44]);
- let _ = x as Box<[u32]>;
- //~^ ERROR trivial cast: `Box<[u32; 3]>` as `Box<[u32]>`
- let x: Box<[u32; 3]> = Box::new([42, 43, 44]);
- let _: Box<[u32]> = x;
-
- // unsize trait
- let x: &Bar = &Bar;
- let _ = x as &dyn Foo; //~ERROR trivial cast: `&Bar` as `&dyn Foo`
- let _ = x as *const dyn Foo; //~ERROR trivial cast: `&Bar` as `*const dyn Foo`
- let _: &dyn Foo = x;
- let _: *const dyn Foo = x;
-
- let x: &mut Bar = &mut Bar;
- let _ = x as &mut dyn Foo; //~ERROR trivial cast: `&mut Bar` as `&mut dyn Foo`
- let _ = x as *mut dyn Foo; //~ERROR trivial cast: `&mut Bar` as `*mut dyn Foo`
- let _: &mut dyn Foo = x;
- let _: *mut dyn Foo = x;
-
- let x: Box<Bar> = Box::new(Bar);
- let _ = x as Box<dyn Foo>; //~ERROR `Box<Bar>` as `Box<dyn Foo>`
- let x: Box<Bar> = Box::new(Bar);
- let _: Box<dyn Foo> = x;
-
- // functions
- fn baz(_x: i32) {}
- let _ = &baz as &dyn Fn(i32); //~ERROR `&fn(i32) {baz}` as `&dyn Fn(i32)`
- let _: &dyn Fn(i32) = &baz;
- let x = |_x: i32| {};
- let _ = &x as &dyn Fn(i32); //~ERROR trivial cast
- let _: &dyn Fn(i32) = &x;
-}
-
-// subtyping
-pub fn test_subtyping<'a, 'b: 'a>(a: &'a Bar, b: &'b Bar) {
- let _ = a as &'a Bar; //~ERROR trivial cast
- let _: &'a Bar = a;
- let _ = b as &'a Bar; //~ERROR trivial cast
- let _: &'a Bar = b;
- let _ = b as &'b Bar; //~ERROR trivial cast
- let _: &'b Bar = b;
-}