diff options
| -rw-r--r-- | library/core/tests/const_ptr.rs | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/library/core/tests/const_ptr.rs b/library/core/tests/const_ptr.rs index 152fed803ec..4acd059ab03 100644 --- a/library/core/tests/const_ptr.rs +++ b/library/core/tests/const_ptr.rs @@ -49,53 +49,3 @@ fn mut_ptr_read() { const UNALIGNED: u16 = unsafe { UNALIGNED_PTR.read_unaligned() }; assert_eq!(UNALIGNED, u16::from_ne_bytes([0x23, 0x45])); } - -#[test] -fn write() { - use core::ptr; - - const fn write_aligned() -> i32 { - let mut res = 0; - unsafe { - ptr::write(&mut res as *mut _, 42); - } - res - } - const ALIGNED: i32 = write_aligned(); - assert_eq!(ALIGNED, 42); - - const fn write_unaligned() -> [u16; 2] { - let mut two_aligned = [0u16; 2]; - unsafe { - let unaligned_ptr = (two_aligned.as_mut_ptr() as *mut u8).add(1) as *mut u16; - ptr::write_unaligned(unaligned_ptr, u16::from_ne_bytes([0x23, 0x45])); - } - two_aligned - } - const UNALIGNED: [u16; 2] = write_unaligned(); - assert_eq!(UNALIGNED, [u16::from_ne_bytes([0x00, 0x23]), u16::from_ne_bytes([0x45, 0x00])]); -} - -#[test] -fn mut_ptr_write() { - const fn aligned() -> i32 { - let mut res = 0; - unsafe { - (&mut res as *mut i32).write(42); - } - res - } - const ALIGNED: i32 = aligned(); - assert_eq!(ALIGNED, 42); - - const fn write_unaligned() -> [u16; 2] { - let mut two_aligned = [0u16; 2]; - unsafe { - let unaligned_ptr = (two_aligned.as_mut_ptr() as *mut u8).add(1) as *mut u16; - unaligned_ptr.write_unaligned(u16::from_ne_bytes([0x23, 0x45])); - } - two_aligned - } - const UNALIGNED: [u16; 2] = write_unaligned(); - assert_eq!(UNALIGNED, [u16::from_ne_bytes([0x00, 0x23]), u16::from_ne_bytes([0x45, 0x00])]); -} |