57 lines
2.5 KiB
Rust
57 lines
2.5 KiB
Rust
//@ignore-64bit
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#[warn(
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clippy::cast_precision_loss,
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clippy::cast_possible_truncation,
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clippy::cast_sign_loss,
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clippy::cast_possible_wrap,
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clippy::cast_lossless
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)]
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#[allow(clippy::no_effect, clippy::unnecessary_operation)]
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fn main() {
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// Casting from *size
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1isize as i8;
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//~^ ERROR: casting `isize` to `i8` may truncate the value
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let x0 = 1isize;
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let x1 = 1usize;
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x0 as f64;
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//~^ ERROR: casting `isize` to `f64` causes a loss of precision on targets with 64-bit
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//~| NOTE: `-D clippy::cast-precision-loss` implied by `-D warnings`
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x1 as f64;
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//~^ ERROR: casting `usize` to `f64` causes a loss of precision on targets with 64-bit
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x0 as f32;
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//~^ ERROR: casting `isize` to `f32` causes a loss of precision (`isize` is 32 or 64 b
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x1 as f32;
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//~^ ERROR: casting `usize` to `f32` causes a loss of precision (`usize` is 32 or 64 b
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1isize as i32;
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//~^ ERROR: casting `isize` to `i32` may truncate the value on targets with 64-bit wid
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1isize as u32;
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//~^ ERROR: casting `isize` to `u32` may truncate the value on targets with 64-bit wid
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1usize as u32;
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//~^ ERROR: casting `usize` to `u32` may truncate the value on targets with 64-bit wid
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1usize as i32;
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//~^ ERROR: casting `usize` to `i32` may truncate the value on targets with 64-bit wid
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//~| ERROR: casting `usize` to `i32` may wrap around the value on targets with 32-bit
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//~| NOTE: `-D clippy::cast-possible-wrap` implied by `-D warnings`
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// Casting to *size
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1i64 as isize;
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//~^ ERROR: casting `i64` to `isize` may truncate the value on targets with 32-bit wid
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1i64 as usize;
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//~^ ERROR: casting `i64` to `usize` may truncate the value on targets with 32-bit wid
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1u64 as isize;
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//~^ ERROR: casting `u64` to `isize` may truncate the value on targets with 32-bit wid
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//~| ERROR: casting `u64` to `isize` may wrap around the value on targets with 64-bit
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1u64 as usize;
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//~^ ERROR: casting `u64` to `usize` may truncate the value on targets with 32-bit wid
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1u32 as isize;
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//~^ ERROR: casting `u32` to `isize` may wrap around the value on targets with 32-bit
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1u32 as usize; // Should not trigger any lint
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1i32 as isize; // Neither should this
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1i32 as usize;
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// Big integer literal to float
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999_999_999 as f32;
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//~^ ERROR: casting `i32` to `f32` causes a loss of precision (`i32` is 32 bits wide,
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3_999_999_999usize as f64;
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//~^ ERROR: casting integer literal to `f64` is unnecessary
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//~| NOTE: `-D clippy::unnecessary-cast` implied by `-D warnings`
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}
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