From 2ea9ea69b3c6fe033c82df16b310acd6aa8a6728 Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Sun, 17 Mar 2024 06:25:49 +0000
Subject: when decoding invalid opcodes, return errors. better testing for this
 circumstance.

---
 tests/armv8/a64.rs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'tests/armv8')

diff --git a/tests/armv8/a64.rs b/tests/armv8/a64.rs
index 38080ef..74bb89f 100644
--- a/tests/armv8/a64.rs
+++ b/tests/armv8/a64.rs
@@ -4757,10 +4757,14 @@ fn test_vec_shift() {
 #[test]
 fn test_reserved() {
     test_err([0x00, 0x00, 0x20, 0xd5], DecodeError::InvalidOpcode);
+    test_err([0x00, 0x00, 0x00, 0xd5], DecodeError::InvalidOpcode);
 }
 
 #[test]
 fn test_system() {
+    // capstone says `msr s0_0_c2_c0_0, xzr`, but this looks like an unallocated encoding?
+    test_err([0x1f, 0x20, 0x00, 0xd5], DecodeError::InvalidOpcode);
+
     const TESTS: &[([u8; 4], &'static str)] = &[
         ([0x00, 0x00, 0x08, 0xd5], "sys #0x0, c0, c0, #0x0, x0"),
         ([0x00, 0x00, 0x28, 0xd5], "sysl x0, #0x0, c0, c0, #0x0"),
-- 
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