rust/tests/ui/cast_lossless_integer.fixed
Philipp Hansch 8163a1a5f8
Move two cast_lossless tests to their correct files
First part of checking off the `tests/ui/cast.rs` checkbox in #3630.
2019-04-18 06:54:32 +02:00

37 lines
865 B
Rust

// run-rustfix
#![allow(clippy::no_effect, clippy::unnecessary_operation, dead_code)]
#![warn(clippy::cast_lossless)]
fn main() {
// Test clippy::cast_lossless with casts to integer types
i16::from(1i8);
i32::from(1i8);
i64::from(1i8);
i16::from(1u8);
i32::from(1u8);
i64::from(1u8);
u16::from(1u8);
u32::from(1u8);
u64::from(1u8);
i32::from(1i16);
i64::from(1i16);
i32::from(1u16);
i64::from(1u16);
u32::from(1u16);
u64::from(1u16);
i64::from(1i32);
i64::from(1u32);
u64::from(1u32);
// Test with an expression wrapped in parens
u16::from(1u8 + 1u8);
}
// The lint would suggest using `f64::from(input)` here but the `XX::from` function is not const,
// so we skip the lint if the expression is in a const fn.
// See #3656
const fn abc(input: u16) -> u32 {
input as u32
}