31 lines
970 B
Ruby
31 lines
970 B
Ruby
# frozen_string_literal: true
|
|
|
|
require 'content_buffer'
|
|
|
|
describe ContentBuffer do
|
|
|
|
it "handles deletion across lines properly" do
|
|
c = ContentBuffer.new("a\nbc\nc")
|
|
c.apply_transform!(start: { row: 0, col: 0 }, finish: { col: 1, row: 1 }, operation: :delete)
|
|
expect(c.to_s).to eq("c\nc")
|
|
end
|
|
it "handles deletion inside lines properly" do
|
|
c = ContentBuffer.new("hello world")
|
|
c.apply_transform!(start: { row: 0, col: 1 }, finish: { col: 4, row: 0 }, operation: :delete)
|
|
expect(c.to_s).to eq("ho world")
|
|
end
|
|
|
|
it "handles inserts inside lines properly" do
|
|
c = ContentBuffer.new("hello!")
|
|
c.apply_transform!(start: { row: 0, col: 5 }, operation: :insert, text: " world")
|
|
expect(c.to_s).to eq("hello world!")
|
|
end
|
|
|
|
it "handles multiline inserts" do
|
|
c = ContentBuffer.new("hello!")
|
|
c.apply_transform!(start: { row: 0, col: 5 }, operation: :insert, text: "\nworld")
|
|
expect(c.to_s).to eq("hello\nworld!")
|
|
end
|
|
|
|
end
|