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require 'busted.runner'()
local file = vis.win.file
describe("file.lines_iterator()", function()
it("same as file.lines[]", function()
local i = 1
local iterator_lines = {}
for line in file:lines_iterator() do
iterator_lines[i] = line
i = i + 1
end
local array_lines = {}
for j = 1, #file.lines do
array_lines[j] = file.lines[j]
end
assert.are.same(array_lines, iterator_lines)
end)
end)
describe("get file.lines[]", function()
it("#lines", function()
assert.are.equals(5, #file.lines)
end)
it("get lines[0]", function()
-- is that what we want?
assert.are.equals(file.lines[0], file.lines[1])
end)
it("get lines[1]", function()
assert.are.equals("1", file.lines[1])
end)
it("get empty \n line", function()
assert.are.equals("", file.lines[2])
end)
it("get empty \r\n line", function()
assert.are.equals("", file.lines[4])
end)
it("get lines[#lines]", function()
assert.are.equals("5", file.lines[#file.lines])
end)
it("get lines[#lines+1]", function()
-- is that what we want?
assert.are.equals("5", file.lines[#file.lines])
end)
end)
describe("set file.lines[]", function()
it("replace empty \n line", function()
local new = "line 2"
file.lines[2] = new
assert.are.equals(new, file.lines[2])
end)
--[[
it("replace empty \r\n line", function()
local new = "line 4"
file.lines[4] = new
assert.are.equals(new, file.lines[4])
end)
--]]
it("set lines[0], add new line at start", function()
local lines = #file.lines
local new_first = "new first line"
local old_first = file.lines[1]
file.lines[0] = new_first
assert.are.equals(lines+1, #file.lines)
assert.are.equals(new_first, file.lines[1])
assert.are.equals(old_first, file.lines[2])
end)
it("set lines[#lines+1], add new line at end", function()
local lines = #file.lines
local new_last = "new last line"
local old_last = file.lines[#file.lines]
file.lines[#file.lines+1] = new_last
assert.are.equals(lines+1, #file.lines)
assert.are.equals(new_last, file.lines[#file.lines])
assert.are.equals(old_last, file.lines[lines])
end)
end)
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