func TestSingleAddLen(t *testing.T) {
tests := []struct {
input int
want int
}{
{0, 1},
{1, 1},
{64, 1},
{256, 1},
}
// single add value case
for _, test := range tests {
var x intset.IntSet
x.Add(test.input)
if got := x.Len(); got != test.want {
t.Errorf("Len() input %d = %d", test.input, got)
}
}
}
func Example_ex6_1() {
var x, z intset.IntSet
x.Add(0)
x.Add(128)
x.Add(1)
x.Add(2)
x.Add(37)
x.Add(64)
fmt.Println(x.String())
// Show the number of x elements
fmt.Println(x.Len())
x.Remove(0)
x.Remove(64)
x.Remove(128)
x.Remove(2)
fmt.Println(x.String())
z = x.Copy()
fmt.Println(z.String())
// Confirm that z doesn't have x's reference.
x.Add(5)
fmt.Println(x.String())
fmt.Println(z.String())
// Clear x
x.Clear()
fmt.Println(x.String())
// Output:
// {0 1 2 37 64 128}
// 6
// {1 37}
// {1 37}
// {1 5 37}
// {1 37}
// {}
}
func TestMultiAddLen(t *testing.T) {
tests := []struct {
input []int
want int
}{
{[]int{0, 1}, 2},
{[]int{0, 0}, 1}, // duplicated input
{[]int{0, 1, 2}, 3},
{[]int{0, 64, 128}, 3},
}
for _, test := range tests {
var x intset.IntSet
for _, v := range test.input {
x.Add(v)
}
if got := x.Len(); got != test.want {
t.Errorf("Len() input %v = %d", test.input, got)
}
}
}