diff --git a/pixmappaint.d b/pixmappaint.d
index 1bf8368..c8e87af 100644
--- a/pixmappaint.d
+++ b/pixmappaint.d
@@ -625,6 +625,20 @@ struct UDecimal {
 	assert((UDecimal(10) / 5).ceil().castTo!uint == 2);
 }
 
+@safe unittest {
+	UDecimal val;
+
+	val = (UDecimal(1) / 2);
+	assert(val.roundEven().castTo!uint == 0);
+	assert(val.castTo!double > 0.49);
+	assert(val.castTo!double < 0.51);
+
+	val = (UDecimal(3) / 2);
+	assert(val.roundEven().castTo!uint == 2);
+	assert(val.castTo!double > 1.49);
+	assert(val.castTo!double < 1.51);
+}
+
 @safe unittest {
 	UDecimal val;