s := Clone(tc.s)
			chunks[0] = append(chunks[0], -1)
			if !Equal(s, tc.s) {
				t.Errorf("slice was clobbered: %v, want %v", s, tc.s)
			}
		})
	}
}

func TestChunkPanics(t *testing.T) {
	for _, test := range []struct {
		name string
		x    []struct{}
		n    int
	}{
		{
			name: "cannot be less than 1",
			x:    make([]struct{}, 0),
			n:    0,
		},
	} {