rust/tests/ui/offset-of/offset-of-tuple.rs
2024-09-14 12:41:25 +02:00

55 lines
3.0 KiB
Rust

#![feature(builtin_syntax)]
use std::mem::offset_of;
fn main() {
offset_of!((u8, u8), _0); //~ ERROR no field `_0`
offset_of!((u8, u8), 01); //~ ERROR no field `01`
offset_of!((u8, u8), 1e2); //~ ERROR no field `1e2`
offset_of!((u8, u8), 1_u8); //~ ERROR no field `1_`
//~| ERROR suffixes on a tuple index
offset_of!((u8, u8), +1); //~ ERROR no rules expected
offset_of!((u8, u8), -1); //~ ERROR offset_of expects dot-separated field and variant names
offset_of!((u8, u8), 1.); //~ ERROR offset_of expects dot-separated field and variant names
offset_of!((u8, u8), 1 .); //~ unexpected token: `)`
builtin # offset_of((u8, u8), 1e2); //~ ERROR no field `1e2`
builtin # offset_of((u8, u8), _0); //~ ERROR no field `_0`
builtin # offset_of((u8, u8), 01); //~ ERROR no field `01`
builtin # offset_of((u8, u8), 1_u8); //~ ERROR no field `1_`
//~| ERROR suffixes on a tuple index
// We need to put these into curly braces, otherwise only one of the
// errors will be emitted and the others suppressed.
{ builtin # offset_of((u8, u8), +1) }; //~ ERROR leading `+` is not supported
{ builtin # offset_of((u8, u8), 1.) }; //~ ERROR offset_of expects dot-separated field and variant names
{ builtin # offset_of((u8, u8), 1 .) }; //~ ERROR unexpected token: `)`
}
type ComplexTup = (((u8, u8), u8), u8);
fn nested() {
offset_of!(((u8, u16), (u32, u16, u8)), 0.2); //~ ERROR no field `2`
offset_of!(((u8, u16), (u32, u16, u8)), 0.1e2); //~ ERROR no field `1e2`
offset_of!(((u8, u16), (u32, u16, u8)), 1.2);
offset_of!(((u8, u16), (u32, u16, u8)), 1.2.0); //~ ERROR no field `0`
// All combinations of spaces (this sends different tokens to the parser)
offset_of!(ComplexTup, 0.0.1.); //~ ERROR unexpected token: `)`
offset_of!(ComplexTup, 0 .0.1.); //~ ERROR unexpected token: `)`
offset_of!(ComplexTup, 0 . 0.1.); //~ ERROR unexpected token: `)`
offset_of!(ComplexTup, 0. 0.1.); //~ ERROR unexpected token: `)`
offset_of!(ComplexTup, 0.0 .1.); //~ ERROR unexpected token: `)`
offset_of!(ComplexTup, 0.0 . 1.); //~ ERROR unexpected token: `)`
offset_of!(ComplexTup, 0.0. 1.); //~ ERROR unexpected token: `)`
// Test for builtin too to ensure that the builtin syntax can also handle these cases
// We need to put these into curly braces, otherwise only one of the
// errors will be emitted and the others suppressed.
{ builtin # offset_of(ComplexTup, 0.0.1.) }; //~ ERROR unexpected token: `)`
{ builtin # offset_of(ComplexTup, 0 .0.1.) }; //~ ERROR unexpected token: `)`
{ builtin # offset_of(ComplexTup, 0 . 0.1.) }; //~ ERROR unexpected token: `)`
{ builtin # offset_of(ComplexTup, 0. 0.1.) }; //~ ERROR unexpected token: `)`
{ builtin # offset_of(ComplexTup, 0.0 .1.) }; //~ ERROR unexpected token: `)`
{ builtin # offset_of(ComplexTup, 0.0 . 1.) }; //~ ERROR unexpected token: `)`
{ builtin # offset_of(ComplexTup, 0.0. 1.) }; //~ ERROR unexpected token: `)`
}