1 files changed, 12 insertions, 0 deletions
diff --git a/test/long_mode/mod.rs b/test/long_mode/mod.rs
index 7c4c5fa..0d81d02 100644
--- a/test/long_mode/mod.rs
+++ b/test/long_mode/mod.rs
@@ -1107,6 +1107,18 @@ fn test_control_flow() {
 }
 
 #[test]
+fn bad_instructions() {
+    // too long
+    test_invalid(&[
+         0x2e, 0x2e, 0x2e, 0x2e,
+         0x2e, 0x2e, 0x2e, 0x2e,
+         0x2e, 0x2e, 0x2e, 0x2e,
+         0x2e, 0x2e, 0x2e, 0x2e,
+         0x33, 0xc0,
+    ]);
+}
+
+#[test]
 fn test_test_cmp() {
     test_display(&[0xf6, 0x05, 0x2c, 0x9b, 0xff, 0xff, 0x01], "test [rip - 0x64d4], 0x1");
     test_display(&[0x48, 0x3d, 0x01, 0xf0, 0xff, 0xff], "cmp rax, -0xfff");