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