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-rw-r--r--test/protected_mode/mod.rs1
-rw-r--r--test/protected_mode/operand.rs16
2 files changed, 17 insertions, 0 deletions
diff --git a/test/protected_mode/mod.rs b/test/protected_mode/mod.rs
index 37a3b24..ab3cdc8 100644
--- a/test/protected_mode/mod.rs
+++ b/test/protected_mode/mod.rs
@@ -1,4 +1,5 @@
mod regspec;
+mod operand;
use std::fmt::Write;
diff --git a/test/protected_mode/operand.rs b/test/protected_mode/operand.rs
new file mode 100644
index 0000000..08a24be
--- /dev/null
+++ b/test/protected_mode/operand.rs
@@ -0,0 +1,16 @@
+use yaxpeax_arch::{Decoder, LengthedInstruction};
+use yaxpeax_x86::long_mode::{DecodeError, InstDecoder, Opcode};
+
+#[test]
+fn register_widths() {
+ assert_eq!(Operand::Register(RegSpec::esp()).width(), 4);
+ assert_eq!(Operand::Register(RegSpec::sp()).width(), 2);
+ assert_eq!(Operand::Register(RegSpec::cl()).width(), 1);
+ assert_eq!(Operand::Register(RegSpec::ch()).width(), 1);
+ assert_eq!(Operand::Register(RegSpec::gs()).width(), 2);
+}
+
+#[test]
+fn memory_widths() {
+ assert_eq!(Operand::RegDeref(RegSpec::rsp()).width(), 4);
+}