diff --git a/src/test/ui/consts/const-int-arithmetic.rs b/src/test/ui/consts/const-int-arithmetic.rs new file mode 100644 index 00000000000..703f21a3f29 --- /dev/null +++ b/src/test/ui/consts/const-int-arithmetic.rs @@ -0,0 +1,166 @@ +// run-pass + +#![feature(const_int_checked)] +#![feature(const_int_euclidean)] +#![feature(const_int_overflowing)] +#![feature(const_int_saturating)] +#![feature(const_int_wrapping)] + +macro_rules! assert_same_const { + ($(const $ident:ident: $ty:ty = $exp:expr;)+) => { + $(const $ident: $ty = $exp;)+ + + pub fn main() { + $(assert_eq!($exp, $ident);)+ + } + } +} + +assert_same_const! { + // `const_int_checked` + const CHECKED_ADD_I32_A: Option = 5i32.checked_add(2); + const CHECKED_ADD_I8_A: Option = 127i8.checked_add(2); + const CHECKED_ADD_U8_A: Option = 255u8.checked_add(2); + + const CHECKED_SUB_I32_A: Option = 5i32.checked_sub(2); + const CHECKED_SUB_I8_A: Option = (-127 as i8).checked_sub(2); + const CHECKED_SUB_U8_A: Option = 1u8.checked_sub(2); + + const CHECKED_MUL_I32_A: Option = 5i32.checked_mul(7777); + const CHECKED_MUL_I8_A: Option = (-127 as i8).checked_mul(-99); + const CHECKED_MUL_U8_A: Option = 1u8.checked_mul(3); + + const CHECKED_DIV_I32_A: Option = 5i32.checked_div(7777); + const CHECKED_DIV_I8_A: Option = (-127 as i8).checked_div(-99); + const CHECKED_DIV_U8_A: Option = 1u8.checked_div(3); + + const CHECKED_REM_I32_A: Option = 5i32.checked_rem(7777); + const CHECKED_REM_I8_A: Option = (-127 as i8).checked_rem(-99); + const CHECKED_REM_U8_A: Option = 1u8.checked_rem(3); + const CHECKED_REM_U8_B: Option = 1u8.checked_rem(0); + + const CHECKED_NEG_I32_A: Option = 5i32.checked_neg(); + const CHECKED_NEG_I8_A: Option = (-127 as i8).checked_neg(); + const CHECKED_NEG_U8_A: Option = 1u8.checked_neg(); + const CHECKED_NEG_U8_B: Option = u8::min_value().checked_neg(); + + const CHECKED_SHL_I32_A: Option = 5i32.checked_shl(77777); + const CHECKED_SHL_I8_A: Option = (-127 as i8).checked_shl(2); + const CHECKED_SHL_U8_A: Option = 1u8.checked_shl(8); + const CHECKED_SHL_U8_B: Option = 1u8.checked_shl(0); + + const CHECKED_SHR_I32_A: Option = 5i32.checked_shr(77777); + const CHECKED_SHR_I8_A: Option = (-127 as i8).checked_shr(2); + const CHECKED_SHR_U8_A: Option = 1u8.checked_shr(8); + const CHECKED_SHR_U8_B: Option = 1u8.checked_shr(0); + + const CHECKED_ABS_I32_A: Option = 5i32.checked_abs(); + const CHECKED_ABS_I8_A: Option = (-127 as i8).checked_abs(); + const CHECKED_ABS_I8_B: Option = 1i8.checked_abs(); + const CHECKED_ABS_I8_C: Option = i8::min_value().checked_abs(); + + // `const_int_overflowing` + const DIV_A: (i8, bool) = 8i8.overflowing_div(2); + const DIV_B: (i8, bool) = 8i8.overflowing_div(3); + const DIV_C: (i8, bool) = i8::min_value().overflowing_div(-1i8); + const DIV_D: (u8, bool) = 8u8.overflowing_div(2); + const DIV_E: (u8, bool) = 8u8.overflowing_div(3); + + const REM_A: (i8, bool) = 8i8.overflowing_rem(2); + const REM_B: (i8, bool) = 8i8.overflowing_rem(3); + const REM_C: (i8, bool) = i8::min_value().overflowing_rem(-1i8); + const REM_D: (u8, bool) = 8u8.overflowing_rem(2); + const REM_E: (u8, bool) = 8u8.overflowing_rem(3); + + // `const_int_saturating` + const ADD_INT_U32_NO: u32 = (42 as u32).saturating_add(2); + const ADD_INT_U32: u32 = u32::max_value().saturating_add(1); + const ADD_INT_U128: u128 = u128::max_value().saturating_add(1); + const ADD_INT_I128: i128 = i128::max_value().saturating_add(1); + const ADD_INT_I128_NEG: i128 = i128::min_value().saturating_add(-1); + + const SUB_INT_U32_NO: u32 = (42 as u32).saturating_sub(2); + const SUB_INT_U32: u32 = (1 as u32).saturating_sub(2); + const SUB_INT_I32_NO: i32 = (-42 as i32).saturating_sub(2); + const SUB_INT_I32_NEG: i32 = i32::min_value().saturating_sub(1); + const SUB_INT_I32_POS: i32 = i32::max_value().saturating_sub(-1); + const SUB_INT_U128: u128 = (0 as u128).saturating_sub(1); + const SUB_INT_I128_NEG: i128 = i128::min_value().saturating_sub(1); + const SUB_INT_I128_POS: i128 = i128::max_value().saturating_sub(-1); + + const MUL_INT_U32_NO: u32 = (42 as u32).saturating_mul(2); + const MUL_INT_U32: u32 = (1 as u32).saturating_mul(2); + const MUL_INT_I32_NO: i32 = (-42 as i32).saturating_mul(2); + const MUL_INT_I32_NEG: i32 = i32::min_value().saturating_mul(1); + const MUL_INT_I32_POS: i32 = i32::max_value().saturating_mul(2); + const MUL_INT_U128: u128 = (0 as u128).saturating_mul(1); + const MUL_INT_I128_NEG: i128 = i128::min_value().saturating_mul(2); + const MUL_INT_I128_POS: i128 = i128::max_value().saturating_mul(2); + + const NEG_INT_I8: i8 = (-42i8).saturating_neg(); + const NEG_INT_I8_B: i8 = i8::min_value().saturating_neg(); + const NEG_INT_I32: i32 = i32::min_value().saturating_neg(); + const NEG_INT_I32_B: i32 = i32::max_value().saturating_neg(); + const NEG_INT_I128: i128 = i128::min_value().saturating_neg(); + const NEG_INT_I128_B: i128 = i128::max_value().saturating_neg(); + + const ABS_INT_I8_A: i8 = 4i8.saturating_abs(); + const ABS_INT_I8_B: i8 = -4i8.saturating_abs(); + const ABS_INT_I8_C: i8 = i8::min_value().saturating_abs(); + const ABS_INT_I32_A: i32 = 4i32.saturating_abs(); + const ABS_INT_I32_B: i32 = -4i32.saturating_abs(); + const ABS_INT_I32_C: i32 = i32::min_value().saturating_abs(); + const ABS_INT_I128_A: i128 = 4i128.saturating_abs(); + const ABS_INT_I128_B: i128 = -4i128.saturating_abs(); + const ABS_INT_I128_C: i128 = i128::min_value().saturating_abs(); + + // `const_int_euclidean` + const CHECKED_DIV_I32_A: Option = 5i32.checked_div_euclid(7777); + const CHECKED_DIV_I8_A: Option = (-127 as i8).checked_div_euclid(-99); + const CHECKED_DIV_I8_B: Option = (-127 as i8).checked_div_euclid(1); + const CHECKED_DIV_I8_C: Option = i8::min_value().checked_div_euclid(-1); + const CHECKED_DIV_U8_A: Option = 1u8.checked_div_euclid(3); + + const CHECKED_REM_I32_A: Option = 5i32.checked_rem_euclid(7777); + const CHECKED_REM_I8_A: Option = (-127 as i8).checked_rem_euclid(-99); + const CHECKED_REM_I8_B: Option = (-127 as i8).checked_rem_euclid(0); + const CHECKED_REM_I8_C: Option = i8::min_value().checked_rem_euclid(-1); + const CHECKED_REM_U8_A: Option = 1u8.checked_rem_euclid(3); + + const WRAPPING_DIV_I32_A: i32 = 5i32.wrapping_div_euclid(7777); + const WRAPPING_DIV_I8_A: i8 = (-127 as i8).wrapping_div_euclid(-99); + const WRAPPING_DIV_I8_B: i8 = (-127 as i8).wrapping_div_euclid(1); + const WRAPPING_DIV_I8_C: i8 = i8::min_value().wrapping_div_euclid(-1); + const WRAPPING_DIV_U8_A: u8 = 1u8.wrapping_div_euclid(3); + + const WRAPPING_REM_I32_A: i32 = 5i32.wrapping_rem_euclid(7777); + const WRAPPING_REM_I8_A: i8 = (-127 as i8).wrapping_rem_euclid(-99); + const WRAPPING_REM_I8_B: i8 = (-127 as i8).wrapping_rem_euclid(1); + const WRAPPING_REM_I8_C: i8 = i8::min_value().wrapping_rem_euclid(-1); + const WRAPPING_REM_U8_A: u8 = 1u8.wrapping_rem_euclid(3); + + const OVERFLOWING_DIV_I32_A: (i32, bool) = 5i32.overflowing_div_euclid(7777); + const OVERFLOWING_DIV_I8_A: (i8, bool) = (-127 as i8).overflowing_div_euclid(-99); + const OVERFLOWING_DIV_I8_B: (i8, bool) = (-127 as i8).overflowing_div_euclid(1); + const OVERFLOWING_DIV_I8_C: (i8, bool) = i8::min_value().overflowing_div_euclid(-1); + const OVERFLOWING_DIV_U8_A: (u8, bool) = 1u8.overflowing_div_euclid(3); + + const OVERFLOWING_REM_I32_A: (i32, bool) = 5i32.overflowing_rem_euclid(7777); + const OVERFLOWING_REM_I8_A: (i8, bool) = (-127 as i8).overflowing_rem_euclid(-99); + const OVERFLOWING_REM_I8_B: (i8, bool) = (-127 as i8).overflowing_rem_euclid(1); + const OVERFLOWING_REM_I8_C: (i8, bool) = i8::min_value().overflowing_rem_euclid(-1); + const OVERFLOWING_REM_U8_A: (u8, bool) = 1u8.overflowing_rem_euclid(3); + + // `const_int_wrapping` + const DIV_A: i8 = 8i8.wrapping_div(2); + const DIV_B: i8 = 8i8.wrapping_div(3); + const DIV_C: i8 = i8::min_value().wrapping_div(-1i8); + const DIV_D: u8 = 8u8.wrapping_div(2); + const DIV_E: u8 = 8u8.wrapping_div(3); + + const REM_A: i8 = 8i8.wrapping_rem(2); + const REM_B: i8 = 8i8.wrapping_rem(3); + const REM_C: i8 = i8::min_value().wrapping_rem(-1i8); + const REM_D: u8 = 8u8.wrapping_rem(2); + const REM_E: u8 = 8u8.wrapping_rem(3); +}