Auto merge of #6304 - matthiaskrgr:crash_6302, r=llogiq

[rust.git] / tests / ui / cast.rs

diff --git a/tests/ui/cast.rs b/tests/ui/cast.rs
index 82427c128e4f5683a6f2a5a3523744d9fc7aec16..8ee0969b0f0761b16371eb485570ac83ad3abe5d 100644 (file)
--- a/tests/ui/cast.rs
+++ b/tests/ui/cast.rs
@@ -1,17 +1,23 @@
-#![feature(plugin)]
-#![plugin(clippy)]
-
-#[warn(cast_precision_loss, cast_possible_truncation, cast_sign_loss, cast_possible_wrap, cast_lossless)]
-#[allow(no_effect, unnecessary_operation)]
+#[warn(
+    clippy::cast_precision_loss,
+    clippy::cast_possible_truncation,
+    clippy::cast_sign_loss,
+    clippy::cast_possible_wrap
+)]
+#[allow(clippy::no_effect, clippy::unnecessary_operation)]
 fn main() {
-    // Test cast_precision_loss
-    1i32 as f32;
-    1i64 as f32;
-    1i64 as f64;
-    1u32 as f32;
-    1u64 as f32;
-    1u64 as f64;
-    // Test cast_possible_truncation
+    // Test clippy::cast_precision_loss
+    let x0 = 1i32;
+    x0 as f32;
+    let x1 = 1i64;
+    x1 as f32;
+    x1 as f64;
+    let x2 = 1u32;
+    x2 as f32;
+    let x3 = 1u64;
+    x3 as f32;
+    x3 as f64;
+    // Test clippy::cast_possible_truncation
     1f32 as i32;
     1f32 as u32;
     1f64 as f32;
@@ -19,77 +25,71 @@ fn main() {
     1i32 as u8;
     1f64 as isize;
     1f64 as usize;
-    // Test cast_possible_wrap
+    // Test clippy::cast_possible_wrap
     1u8 as i8;
     1u16 as i16;
     1u32 as i32;
     1u64 as i64;
     1usize as isize;
-    // Test cast_lossless with casts to integer types
-    1i8 as i16;
-    1i8 as i32;
-    1i8 as i64;
-    1u8 as i16;
-    1u8 as i32;
-    1u8 as i64;
-    1u8 as u16;
-    1u8 as u32;
-    1u8 as u64;
-    1i16 as i32;
-    1i16 as i64;
-    1u16 as i32;
-    1u16 as i64;
-    1u16 as u32;
-    1u16 as u64;
-    1i32 as i64;
-    1u32 as i64;
-    1u32 as u64;
-    // Test cast_lossless with casts to floating-point types
-    1i8 as f32;
-    1i8 as f64;
-    1u8 as f32;
-    1u8 as f64;
-    1i16 as f32;
-    1i16 as f64;
-    1u16 as f32;
-    1u16 as f64;
-    1i32 as f64;
-    1u32 as f64;
-    // Test cast_lossless with casts from floating-point types
-    1.0f32 as f64;
-    // Test cast_lossless with an expression wrapped in parens
-    (1u8 + 1u8) as u16;
-    // Test cast_sign_loss
+    // Test clippy::cast_sign_loss
     1i32 as u32;
+    -1i32 as u32;
     1isize as usize;
-    // Extra checks for *size
-    // Casting from *size
-    1isize as i8;
-    1isize as f64;
-    1usize as f64;
-    1isize as f32;
-    1usize as f32;
-    1isize as i32;
-    1isize as u32;
-    1usize as u32;
-    1usize as i32;
-    // Casting to *size
-    1i64 as isize;
-    1i64 as usize;
-    1u64 as isize;
-    1u64 as usize;
-    1u32 as isize;
-    1u32 as usize; // Should not trigger any lint
-    1i32 as isize; // Neither should this
-    1i32 as usize;
-    // Test cast_unnecessary
-    1i32 as i32;
-    1f32 as f32;
-    false as bool;
-    &1i32 as &i32;
-    // Should not trigger
-    let v = vec!(1);
-    &v as &[i32];
-    1.0 as f64;
-    1 as u64;
+    -1isize as usize;
+    0i8 as u8;
+    i8::MAX as u8;
+    i16::MAX as u16;
+    i32::MAX as u32;
+    i64::MAX as u64;
+    i128::MAX as u128;
+
+    (-1i8).abs() as u8;
+    (-1i16).abs() as u16;
+    (-1i32).abs() as u32;
+    (-1i64).abs() as u64;
+    (-1isize).abs() as usize;
+
+    (-1i8).checked_abs().unwrap() as u8;
+    (-1i16).checked_abs().unwrap() as u16;
+    (-1i32).checked_abs().unwrap() as u32;
+    (-1i64).checked_abs().unwrap() as u64;
+    (-1isize).checked_abs().unwrap() as usize;
+
+    (-1i8).rem_euclid(1i8) as u8;
+    (-1i8).rem_euclid(1i8) as u16;
+    (-1i16).rem_euclid(1i16) as u16;
+    (-1i16).rem_euclid(1i16) as u32;
+    (-1i32).rem_euclid(1i32) as u32;
+    (-1i32).rem_euclid(1i32) as u64;
+    (-1i64).rem_euclid(1i64) as u64;
+    (-1i64).rem_euclid(1i64) as u128;
+    (-1isize).rem_euclid(1isize) as usize;
+    (1i8).rem_euclid(-1i8) as u8;
+    (1i8).rem_euclid(-1i8) as u16;
+    (1i16).rem_euclid(-1i16) as u16;
+    (1i16).rem_euclid(-1i16) as u32;
+    (1i32).rem_euclid(-1i32) as u32;
+    (1i32).rem_euclid(-1i32) as u64;
+    (1i64).rem_euclid(-1i64) as u64;
+    (1i64).rem_euclid(-1i64) as u128;
+    (1isize).rem_euclid(-1isize) as usize;
+
+    (-1i8).checked_rem_euclid(1i8).unwrap() as u8;
+    (-1i8).checked_rem_euclid(1i8).unwrap() as u16;
+    (-1i16).checked_rem_euclid(1i16).unwrap() as u16;
+    (-1i16).checked_rem_euclid(1i16).unwrap() as u32;
+    (-1i32).checked_rem_euclid(1i32).unwrap() as u32;
+    (-1i32).checked_rem_euclid(1i32).unwrap() as u64;
+    (-1i64).checked_rem_euclid(1i64).unwrap() as u64;
+    (-1i64).checked_rem_euclid(1i64).unwrap() as u128;
+    (-1isize).checked_rem_euclid(1isize).unwrap() as usize;
+    (1i8).checked_rem_euclid(-1i8).unwrap() as u8;
+    (1i8).checked_rem_euclid(-1i8).unwrap() as u16;
+    (1i16).checked_rem_euclid(-1i16).unwrap() as u16;
+    (1i16).checked_rem_euclid(-1i16).unwrap() as u32;
+    (1i32).checked_rem_euclid(-1i32).unwrap() as u32;
+    (1i32).checked_rem_euclid(-1i32).unwrap() as u64;
+    (1i64).checked_rem_euclid(-1i64).unwrap() as u64;
+    (1i64).checked_rem_euclid(-1i64).unwrap() as u128;
+    (1isize).checked_rem_euclid(-1isize).unwrap() as usize;
 }