rust/tests/ui/numeric/integer-literal-suffix-inference.rs
2023-01-11 09:32:08 +00:00

221 lines
5.6 KiB
Rust

fn main() {
// the smallest positive values that need these types
let a8: i8 = 8;
let a16: i16 = 128;
let a32: i32 = 32_768;
let a64: i64 = 2_147_483_648;
// the smallest negative values that need these types
let c8: i8 = -9;
let c16: i16 = -129;
let c32: i32 = -32_769;
let c64: i64 = -2_147_483_649;
fn id_i8(n: i8) -> i8 { n }
fn id_i16(n: i16) -> i16 { n }
fn id_i32(n: i32) -> i32 { n }
fn id_i64(n: i64) -> i64 { n }
fn id_isize(n: isize) -> isize { n }
// the smallest values that need these types
let b8: u8 = 16;
let b16: u16 = 256;
let b32: u32 = 65_536;
let b64: u64 = 4_294_967_296;
fn id_u8(n: u8) -> u8 { n }
fn id_u16(n: u16) -> u16 { n }
fn id_u32(n: u32) -> u32 { n }
fn id_u64(n: u64) -> u64 { n }
fn id_usize(n: usize) -> usize { n }
// Values for testing *size
let asize: isize = 1;
let bsize: usize = 3;
id_i8(a8); // ok
id_i8(a16);
//~^ ERROR mismatched types
//~| expected `i8`, found `i16`
id_i8(a32);
//~^ ERROR mismatched types
//~| expected `i8`, found `i32`
id_i8(a64);
//~^ ERROR mismatched types
//~| expected `i8`, found `i64`
id_i8(asize);
//~^ ERROR mismatched types
//~| expected `i8`, found `isize`
id_i16(a8);
//~^ ERROR mismatched types
//~| expected `i16`, found `i8`
id_i16(a16); // ok
id_i16(a32);
//~^ ERROR mismatched types
//~| expected `i16`, found `i32`
id_i16(a64);
//~^ ERROR mismatched types
//~| expected `i16`, found `i64`
id_i16(asize);
//~^ ERROR mismatched types
//~| expected `i16`, found `isize`
id_i32(a8);
//~^ ERROR mismatched types
//~| expected `i32`, found `i8`
id_i32(a16);
//~^ ERROR mismatched types
//~| expected `i32`, found `i16`
id_i32(a32); // ok
id_i32(a64);
//~^ ERROR mismatched types
//~| expected `i32`, found `i64`
id_i32(asize);
//~^ ERROR mismatched types
//~| expected `i32`, found `isize`
id_i64(a8);
//~^ ERROR mismatched types
//~| expected `i64`, found `i8`
id_i64(a16);
//~^ ERROR mismatched types
//~| expected `i64`, found `i16`
id_i64(a32);
//~^ ERROR mismatched types
//~| expected `i64`, found `i32`
id_i64(a64); // ok
id_i64(asize);
//~^ ERROR mismatched types
//~| expected `i64`, found `isize`
id_isize(a8);
//~^ ERROR mismatched types
//~| expected `isize`, found `i8`
id_isize(a16);
//~^ ERROR mismatched types
//~| expected `isize`, found `i16`
id_isize(a32);
//~^ ERROR mismatched types
//~| expected `isize`, found `i32`
id_isize(a64);
//~^ ERROR mismatched types
//~| expected `isize`, found `i64`
id_isize(asize); //ok
id_i8(c8); // ok
id_i8(c16);
//~^ ERROR mismatched types
//~| expected `i8`, found `i16`
id_i8(c32);
//~^ ERROR mismatched types
//~| expected `i8`, found `i32`
id_i8(c64);
//~^ ERROR mismatched types
//~| expected `i8`, found `i64`
id_i16(c8);
//~^ ERROR mismatched types
//~| expected `i16`, found `i8`
id_i16(c16); // ok
id_i16(c32);
//~^ ERROR mismatched types
//~| expected `i16`, found `i32`
id_i16(c64);
//~^ ERROR mismatched types
//~| expected `i16`, found `i64`
id_i32(c8);
//~^ ERROR mismatched types
//~| expected `i32`, found `i8`
id_i32(c16);
//~^ ERROR mismatched types
//~| expected `i32`, found `i16`
id_i32(c32); // ok
id_i32(c64);
//~^ ERROR mismatched types
//~| expected `i32`, found `i64`
id_i64(a8);
//~^ ERROR mismatched types
//~| expected `i64`, found `i8`
id_i64(a16);
//~^ ERROR mismatched types
//~| expected `i64`, found `i16`
id_i64(a32);
//~^ ERROR mismatched types
//~| expected `i64`, found `i32`
id_i64(a64); // ok
id_u8(b8); // ok
id_u8(b16);
//~^ ERROR mismatched types
//~| expected `u8`, found `u16`
id_u8(b32);
//~^ ERROR mismatched types
//~| expected `u8`, found `u32`
id_u8(b64);
//~^ ERROR mismatched types
//~| expected `u8`, found `u64`
id_u8(bsize);
//~^ ERROR mismatched types
//~| expected `u8`, found `usize`
id_u16(b8);
//~^ ERROR mismatched types
//~| expected `u16`, found `u8`
id_u16(b16); // ok
id_u16(b32);
//~^ ERROR mismatched types
//~| expected `u16`, found `u32`
id_u16(b64);
//~^ ERROR mismatched types
//~| expected `u16`, found `u64`
id_u16(bsize);
//~^ ERROR mismatched types
//~| expected `u16`, found `usize`
id_u32(b8);
//~^ ERROR mismatched types
//~| expected `u32`, found `u8`
id_u32(b16);
//~^ ERROR mismatched types
//~| expected `u32`, found `u16`
id_u32(b32); // ok
id_u32(b64);
//~^ ERROR mismatched types
//~| expected `u32`, found `u64`
id_u32(bsize);
//~^ ERROR mismatched types
//~| expected `u32`, found `usize`
id_u64(b8);
//~^ ERROR mismatched types
//~| expected `u64`, found `u8`
id_u64(b16);
//~^ ERROR mismatched types
//~| expected `u64`, found `u16`
id_u64(b32);
//~^ ERROR mismatched types
//~| expected `u64`, found `u32`
id_u64(b64); // ok
id_u64(bsize);
//~^ ERROR mismatched types
//~| expected `u64`, found `usize`
id_usize(b8);
//~^ ERROR mismatched types
//~| expected `usize`, found `u8`
id_usize(b16);
//~^ ERROR mismatched types
//~| expected `usize`, found `u16`
id_usize(b32);
//~^ ERROR mismatched types
//~| expected `usize`, found `u32`
id_usize(b64);
//~^ ERROR mismatched types
//~| expected `usize`, found `u64`
id_usize(bsize); //ok
}