diff options
Diffstat (limited to 'tests/ui/enum/enum-discrim-too-small2.rs')
-rw-r--r-- | tests/ui/enum/enum-discrim-too-small2.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tests/ui/enum/enum-discrim-too-small2.rs b/tests/ui/enum/enum-discrim-too-small2.rs new file mode 100644 index 000000000..85cd73d6f --- /dev/null +++ b/tests/ui/enum/enum-discrim-too-small2.rs @@ -0,0 +1,37 @@ +#![deny(overflowing_literals)] +#![allow(dead_code)] + +#[repr(i8)] +enum Ei8 { + Ai8 = 23, + Bi8 = -23, + Ci8 = 223, //~ ERROR literal out of range for `i8` +} + +#[repr(i16)] +enum Ei16 { + Ai16 = 23, + Bi16 = -22333, + Ci16 = 55555, //~ ERROR literal out of range for `i16` +} + +#[repr(i32)] +enum Ei32 { + Ai32 = 23, + Bi32 = -2_000_000_000, + Ci32 = 3_000_000_000, //~ ERROR literal out of range for `i32` +} + +#[repr(i64)] +enum Ei64 { + Ai64 = 23, + Bi64 = -9223372036854775808, + Ci64 = 9223372036854775809, //~ ERROR literal out of range for `i64` +} + +// u64 currently allows negative numbers, and i64 allows numbers greater than `1<<63`. This is a +// little counterintuitive, but since the discriminant can store all the bits, and extracting it +// with a cast requires specifying the signedness, there is no loss of information in those cases. +// This also applies to isize and usize on 64-bit targets. + +pub fn main() { } |