diff --git a/set_test.go b/set_test.go
new file mode 100644
index 0000000..d96ff2f
--- /dev/null
+++ b/set_test.go
@@ -0,0 +1,19 @@
+package extypes
+
+import "testing"
+
+func TestSet(t *testing.T) {
+	s1 := make(Set[int], 0)
+	s2 := make(Set[int], 0)
+
+	s1 = s1.Add(1)
+	s1 = s1.Add(2)
+	s1 = s1.Add(2)
+
+	s2 = s2.Add(1)
+	s2 = s2.Add(2)
+
+	if !s1.Equal(s2) {
+		t.Error("s1 and s2 not equal")
+	}
+}
diff --git a/tuple_test.go b/tuple_test.go
new file mode 100644
index 0000000..ab21ed6
--- /dev/null
+++ b/tuple_test.go
@@ -0,0 +1,12 @@
+package extypes
+
+import "testing"
+
+func TestTuple(t *testing.T) {
+	t1 := NewTupleFrom([]int{1, 2, 3})
+	t2 := NewTupleFrom([]int{1, 2, 3})
+
+	if !t1.Equal(t2) {
+		t.Error("t1 and t2 should be equal")
+	}
+}