Added additional unit testing scenarios

sets/int32s_test.go

@@ -27,4 +27,19 @@ func TestInt32s(t *testing.T) {
 
 	s1Slice := i.Slice()
 	require.ElementsMatch(t, s1Slice, []int32{1, 2})
+
+	i4 := NewInt32s(1, 2, 2, 2, 3, 2, 2)
+	require.Equal(t, 3, i4.Cardinality())
+	require.True(t, i4.Contains(1))
+	require.True(t, i4.Contains(2))
+	require.True(t, i4.Contains(3))
+	require.False(t, i4.Contains(4))
+
+	i4.Add(3)
+	require.Equal(t, 3, i4.Cardinality())
+
+	i5 := i4.Intersect(i3)
+	require.Equal(t, 1, i5.Cardinality())
+	require.True(t, i5.Contains(2))
+
 }

sets/int64s_test.go

@@ -27,4 +27,19 @@ func TestInt64s(t *testing.T) {
 
 	s1Slice := i.Slice()
 	require.ElementsMatch(t, s1Slice, []int64{1, 2})
+
+	i4 := NewInt64s(1, 2, 2, 2, 3, 2, 2)
+	require.Equal(t, 3, i4.Cardinality())
+	require.True(t, i4.Contains(1))
+	require.True(t, i4.Contains(2))
+	require.True(t, i4.Contains(3))
+	require.False(t, i4.Contains(4))
+
+	i4.Add(3)
+	require.Equal(t, 3, i4.Cardinality())
+
+	i5 := i4.Intersect(i3)
+	require.Equal(t, 1, i5.Cardinality())
+	require.True(t, i5.Contains(2))
+
 }

sets/ints_test.go

@@ -27,4 +27,22 @@ func TestInts(t *testing.T) {
 
 	s1Slice := i.Slice()
 	require.ElementsMatch(t, s1Slice, []int{1, 2})
+
+	i4 := NewInts(1, 2, 2, 2, 3, 2, 2)
+	require.Equal(t, 3, i4.Cardinality())
+	require.True(t, i4.Contains(1))
+	require.True(t, i4.Contains(2))
+	require.True(t, i4.Contains(3))
+	require.False(t, i4.Contains(4))
+
+	i4.Add(3)
+	require.Equal(t, 3, i4.Cardinality())
+
+	i5 := i4.Intersect(i3)
+	require.Equal(t, 1, i5.Cardinality())
+	require.True(t, i5.Contains(2))
+	require.False(t, i5.Contains(1))
+	require.False(t, i5.Contains(3))
+	require.False(t, i5.Contains(4))
+
 }