From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- src/test/ui/consts/const-int-pow-rpass.rs | 47 +++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 src/test/ui/consts/const-int-pow-rpass.rs (limited to 'src/test/ui/consts/const-int-pow-rpass.rs') diff --git a/src/test/ui/consts/const-int-pow-rpass.rs b/src/test/ui/consts/const-int-pow-rpass.rs new file mode 100644 index 000000000..30bcb78bc --- /dev/null +++ b/src/test/ui/consts/const-int-pow-rpass.rs @@ -0,0 +1,47 @@ +// run-pass + +#![feature(wrapping_next_power_of_two)] + +const IS_POWER_OF_TWO_A: bool = 0u32.is_power_of_two(); +const IS_POWER_OF_TWO_B: bool = 32u32.is_power_of_two(); +const IS_POWER_OF_TWO_C: bool = 33u32.is_power_of_two(); + +const POW: u8 = 3u8.pow(5); + +const CHECKED_POW_OK: Option = 3u8.checked_pow(5); +const CHECKED_POW_OVERFLOW: Option = 3u8.checked_pow(6); + +const WRAPPING_POW: u8 = 3u8.wrapping_pow(6); +const OVERFLOWING_POW: (u8, bool) = 3u8.overflowing_pow(6); +const SATURATING_POW: u8 = 3u8.saturating_pow(6); + +const NEXT_POWER_OF_TWO: u32 = 3u32.next_power_of_two(); + +const CHECKED_NEXT_POWER_OF_TWO_OK: Option = 3u32.checked_next_power_of_two(); +const CHECKED_NEXT_POWER_OF_TWO_OVERFLOW: Option = + u32::MAX.checked_next_power_of_two(); + +const WRAPPING_NEXT_POWER_OF_TWO: u32 = + u32::MAX.wrapping_next_power_of_two(); + +fn main() { + assert!(!IS_POWER_OF_TWO_A); + assert!(IS_POWER_OF_TWO_B); + assert!(!IS_POWER_OF_TWO_C); + + assert_eq!(POW, 243); + + assert_eq!(CHECKED_POW_OK, Some(243)); + assert_eq!(CHECKED_POW_OVERFLOW, None); + + assert_eq!(WRAPPING_POW, 217); + assert_eq!(OVERFLOWING_POW, (217, true)); + assert_eq!(SATURATING_POW, u8::MAX); + + assert_eq!(NEXT_POWER_OF_TWO, 4); + + assert_eq!(CHECKED_NEXT_POWER_OF_TWO_OK, Some(4)); + assert_eq!(CHECKED_NEXT_POWER_OF_TWO_OVERFLOW, None); + + assert_eq!(WRAPPING_NEXT_POWER_OF_TWO, 0); +} -- cgit v1.2.3