diff --git a/testcases/homing-corexy.gcode b/testcases/homing-corexy.gcode
new file mode 100755
index 0000000..ecfaaa1
--- /dev/null
+++ b/testcases/homing-corexy.gcode
@@ -0,0 +1,8 @@
+G1 X10 Y10 F3000
+G28 X
+; Watch Y after we home X. We do not change Y in the gcode, so Y should not
+; drift.
+G1 X10 F3000
+; The printer should report we are at X10 Y10. The step counters should match.
+M114
+G28 Z