diff options
Diffstat (limited to 'test/long_mode')
| -rw-r--r-- | test/long_mode/operand.rs | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/test/long_mode/operand.rs b/test/long_mode/operand.rs index 77ce256..5a51ef3 100644 --- a/test/long_mode/operand.rs +++ b/test/long_mode/operand.rs @@ -1,4 +1,4 @@ -use yaxpeax_x86::long_mode::{Operand, RegSpec}; +use yaxpeax_x86::long_mode::{InstDecoder, MemoryAccessSize, Operand, RegSpec}; #[test] fn register_widths() { @@ -12,5 +12,18 @@ fn register_widths() { #[test] fn memory_widths() { + // the register operand directly doesn't report a size - it comes from the `Instruction` for + // which this is an operand. assert_eq!(Operand::RegDeref(RegSpec::rsp()).width(), None); + + fn mem_size_of(data: &[u8]) -> MemoryAccessSize { + let decoder = InstDecoder::default(); + decoder.decode_slice(data).unwrap().mem_size().unwrap() + } + + // and checking the memory size direcly reports correct names + assert_eq!(mem_size_of(&[0x32, 0x00]).size_name(), "byte"); + assert_eq!(mem_size_of(&[0x66, 0x33, 0x00]).size_name(), "word"); + assert_eq!(mem_size_of(&[0x33, 0x00]).size_name(), "dword"); + assert_eq!(mem_size_of(&[0x48, 0x33, 0x00]).size_name(), "qword"); } |