2 // Test a ZST enum whose dicriminant is ~0i128. This caused an ICE when casting to a i32.
9 const NEG_ONE_I8: i8 = Nums::NegOne as i8;
10 const NEG_ONE_I16: i16 = Nums::NegOne as i16;
11 const NEG_ONE_I32: i32 = Nums::NegOne as i32;
12 const NEG_ONE_I64: i64 = Nums::NegOne as i64;
13 const NEG_ONE_I128: i128 = Nums::NegOne as i128;
16 fn identity<T>(t: T) -> T { t }
18 fn test_as_arg(n: Nums) {
19 assert_eq!(-1i8, n as i8);
20 assert_eq!(-1i16, n as i16);
21 assert_eq!(-1i32, n as i32);
22 assert_eq!(-1i64, n as i64);
23 assert_eq!(-1i128, n as i128);
27 let kind = Nums::NegOne;
28 assert_eq!(-1i8, kind as i8);
29 assert_eq!(-1i16, kind as i16);
30 assert_eq!(-1i32, kind as i32);
31 assert_eq!(-1i64, kind as i64);
32 assert_eq!(-1i128, kind as i128);
34 assert_eq!(-1i8, identity(kind) as i8);
35 assert_eq!(-1i16, identity(kind) as i16);
36 assert_eq!(-1i32, identity(kind) as i32);
37 assert_eq!(-1i64, identity(kind) as i64);
38 assert_eq!(-1i128, identity(kind) as i128);
40 test_as_arg(Nums::NegOne);
42 assert_eq!(-1i8, NEG_ONE_I8);
43 assert_eq!(-1i16, NEG_ONE_I16);
44 assert_eq!(-1i32, NEG_ONE_I32);
45 assert_eq!(-1i64, NEG_ONE_I64);
46 assert_eq!(-1i128, NEG_ONE_I128);