diff --git a/tests/forth/test_cmp.fs b/tests/forth/test_cmp.fs
new file mode 100644
index 0000000..03a2a92
--- /dev/null
+++ b/tests/forth/test_cmp.fs
@@ -0,0 +1,4 @@
+0x70 <>{ 0x70 &= 0x58 |= 0x20 |= <>} #
+0x71 <>{ 0x70 &= 0x58 |= 0x20 |= <>} NOT #
+0x42 <>{ 0x40 &> 0x44 &< <>} #
+0x44 <>{ 0x40 &> 0x44 &< <>} NOT #