1 files changed, 20 insertions, 0 deletions
diff --git a/internal/engine/tick_values_test.go b/internal/engine/tick_values_test.go
new file mode 100644
index 0000000..4c704bb
--- /dev/null
+++ b/internal/engine/tick_values_test.go
@@ -0,0 +1,20 @@
+package engine
+
+import "testing"
+
+// TestValuesEqualUncomparableDoesNotPanic: a YAML list/map flag value must not
+// panic a tick system when compared (== panics on uncomparable dynamic types).
+func TestValuesEqualUncomparableDoesNotPanic(t *testing.T) {
+	if !ValuesEqual([]any{1, 2}, []any{1, 2}) {
+		t.Fatal("equal slices should compare equal")
+	}
+	if ValuesEqual([]any{1, 2}, []any{1, 3}) {
+		t.Fatal("different slices should not compare equal")
+	}
+	if !ValuesEqual(map[string]any{"x": 1}, map[string]any{"x": 1}) {
+		t.Fatal("equal maps should compare equal")
+	}
+	if ValuesEqual(map[string]any{"x": 1}, map[string]any{"x": 2}) {
+		t.Fatal("different maps should not compare equal")
+	}
+}