diff --git a/tests/basic-types/floats.vala b/tests/basic-types/floats.vala
index 3f6eaa18e..81e7fbc5a 100644
--- a/tests/basic-types/floats.vala
+++ b/tests/basic-types/floats.vala
@@ -27,6 +27,11 @@ void test_double () {
 	d = 42d / 23d;
 	assert (d > 1.8);
 	assert (d < 1.9);
+	e = 34.5/d;
+	e = 34.5/(d);
+	double k = 1.0;
+	e = 34.5/(d)*3.5;
+	e = 34.5/(d)*k;
 
 	// equality and relational
 	d = 42d;
