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-rw-r--r--tests/lib.rs57
1 files changed, 55 insertions, 2 deletions
diff --git a/tests/lib.rs b/tests/lib.rs
index 15477f7..8e097de 100644
--- a/tests/lib.rs
+++ b/tests/lib.rs
@@ -1,5 +1,3 @@
-#![no_std]
-
use yaxpeax_arch::AddressBase;
#[test]
@@ -10,3 +8,58 @@ fn test_u16() {
}
}
}
+
+#[test]
+fn error_can_bail() {
+ use yaxpeax_arch::{Arch, AddressDiff, Decoder, Reader, LengthedInstruction, Instruction, StandardDecodeError, U8Reader};
+ struct TestIsa {}
+ #[derive(Debug, Default)]
+ struct TestInst {}
+ impl Arch for TestIsa {
+ type Word = u8;
+ type Address = u64;
+ type Instruction = TestInst;
+ type Decoder = TestIsaDecoder;
+ type DecodeError = StandardDecodeError;
+ type Operand = ();
+ }
+
+ impl Instruction for TestInst {
+ fn well_defined(&self) -> bool { true }
+ }
+
+ impl LengthedInstruction for TestInst {
+ type Unit = AddressDiff<u64>;
+ fn len(&self) -> Self::Unit { AddressDiff::from_const(1) }
+ fn min_size() -> Self::Unit { AddressDiff::from_const(1) }
+ }
+
+ struct TestIsaDecoder {}
+
+ impl Default for TestIsaDecoder {
+ fn default() -> Self {
+ TestIsaDecoder {}
+ }
+ }
+
+ impl Decoder<TestIsa> for TestIsaDecoder {
+ fn decode_into<T: Reader<u64, u8>>(&self, _inst: &mut TestInst, _words: &mut T) -> Result<(), StandardDecodeError> {
+
+ Err(StandardDecodeError::ExhaustedInput)
+ }
+ }
+
+ #[derive(Debug, PartialEq, thiserror::Error)]
+ pub enum Error {
+ #[error("decode error")]
+ TestDecode(#[from] StandardDecodeError),
+ }
+
+ fn exercise_eq() -> Result<(), Error> {
+ let mut reader = U8Reader::new(&[]);
+ TestIsaDecoder::default().decode(&mut reader)?;
+ Ok(())
+ }
+
+ assert_eq!(exercise_eq(), Err(Error::TestDecode(StandardDecodeError::ExhaustedInput)));
+}