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local win = vis.win
-- check that selection position remains unchanged after an invalid adjustment
local invalid_pos = function(place)
local pos = win.selection.pos
local line = win.selection.line
local col = win.selection.col
win.selection:to(line, col)
assert.has_error(place)
assert.are.equal(pos, win.selection.pos)
assert.are.equal(line, win.selection.line)
assert.are.equal(col, win.selection.col)
end
describe("win.selection", function()
it("initial position", function()
assert.are.equal(0, win.selection.pos)
end)
it("initial line", function()
assert.are.equal(1, win.selection.line)
end)
it("initial column", function()
assert.are.equal(1, win.selection.col)
end)
end)
describe("win.selection.pos", function()
it("= 0", function()
win.selection.pos = 0
assert.are.equal(0, win.selection.pos)
assert.are.equal(1, win.selection.line)
assert.are.equal(1, win.selection.col)
end)
it("= beyond end of file", function()
win.selection.pos = win.file.size
local pos = win.selection.pos
local line = win.selection.line
local col = win.selection.col
win.selection.pos = 0
-- selection is placed on last valid position
win.selection.pos = win.file.size+1
assert.are.equal(pos, win.selection.pos)
assert.are.equal(line, win.selection.line)
assert.are.equal(col, win.selection.col)
end)
end)
describe("win.selection.to", function()
it("(5, 3)", function()
win.selection:to(5, 3)
assert.are.equal(30, win.selection.pos)
assert.are.equal(5, win.selection.line)
assert.are.equal(3, win.selection.col)
end)
it("(0, 0) invalid position", function()
-- is that what we want?
win.selection:to(0, 0)
assert.are.equal(0, win.selection.pos)
assert.are.equal(1, win.selection.line)
assert.are.equal(1, win.selection.col)
end)
it("invalid position, negative line", function()
invalid_pos(function() win.selection:to(-1, 0) end)
end)
it("invalid position, negative column", function()
invalid_pos(function() win.selection:to(0, -1) end)
end)
it("invalid position, non-integer line", function()
invalid_pos(function() win.selection:to(1.5, 1) end)
end)
it("invalid position, non-integer column", function()
invalid_pos(function() win.selection:to(1, 1.5) end)
end)
--[[
it("move beyond end of file", function()
win.selection.pos = win.file.size
local pos = win.selection.pos
local line = win.selection.line
local col = win.selection.col
win.selection.pos = 0
-- selection is placed on last valid position
win.selection:to(#win.file.lines+2, 1000)
assert.are.equal(pos, win.selection.pos)
assert.are.equal(line, win.selection.line)
assert.are.equal(col, win.selection.col)
end)
--]]
end)
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