it("should merge 2d selections with append=true", () => {
const s = new Selection()
s.update(some_2d_selection, true, true)
s.update(other_2d_selection, true, true)
expect(s.multiline_indices).to.be.deep.equal({2: [0, 1, 2, 3]})
})
it("should be clearable", () => {
const s = new Selection()
s.update(some_1d_selection, true, false)
s.clear()
expect(s.indices).to.deep.equal([])
})
it("should be updatable with append=true", () => {
const s = new Selection()
s.update(some_1d_selection, true, true)
s.update(other_1d_selection, true, true)
expect(s.indices).to.be.deep.equal([0, 1, 4, 5])
})