1 files changed, 25 insertions, 0 deletions
diff --git a/test/smt/revrev_endianness.unsat.sail b/test/smt/revrev_endianness.unsat.sail
new file mode 100644
index 00000000..f792871f
--- /dev/null
+++ b/test/smt/revrev_endianness.unsat.sail
@@ -0,0 +1,25 @@
+default Order dec
+
+$include <reverse_endianness.sail>
+
+$property
+function prop forall 'n, 'n in {8, 16, 32, 64, 128}. (n: int('n), xs: bits('n)) -> bool = {
+  if length(xs) == 8 then {
+    let ys: bits(8) = xs;
+    reverse_endianness(reverse_endianness(ys)) == ys
+  } else if length(xs) == 16 then {
+    let ys: bits(16) = xs;
+    reverse_endianness(reverse_endianness(ys)) == ys
+  } else if length(xs) == 32 then {
+    let ys: bits(32) = xs;
+    reverse_endianness(reverse_endianness(ys)) == ys
+  } else if length(xs) == 64 then {
+    let ys: bits(64) = xs;
+    reverse_endianness(reverse_endianness(ys)) == ys
+  } else if length(xs) == 128 then {
+    let ys: bits(128) = xs;
+    reverse_endianness(reverse_endianness(ys)) == ys
+  } else {
+    true
+  }
+}