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-- Test suite for vim.pos
local t = require('test.testutil')
local n = require('test.functional.testnvim')()
local describe, it, before_each = t.describe, t.it, t.before_each
local eq = t.eq
local dedent = t.dedent
local clear = n.clear
local exec_lua = n.exec_lua
local insert = n.insert
describe('vim.pos', function()
before_each(clear)
it('creates a position', function()
local pos, buf = exec_lua(function()
local buf = vim.api.nvim_create_buf(false, true)
return vim.pos(buf, 3, 5), buf
end)
eq(3, pos[1])
eq(5, pos[2])
eq(buf, pos[3])
end)
it('creates a position with buf=0', function()
local pos, buf = exec_lua(function()
return vim.pos(0, 3, 5), vim.api.nvim_get_current_buf()
end)
eq(3, pos[1])
eq(5, pos[2])
eq(buf, pos[3])
end)
it('creates a position from the window cursor', function()
local pos, pos_default, buf = exec_lua(function()
vim.api.nvim_buf_set_lines(0, 0, -1, true, { 'first', 'second' })
vim.api.nvim_win_set_cursor(0, { 2, 3 })
return vim.pos.cursor(0), vim.pos.cursor(), vim.api.nvim_get_current_buf()
end)
eq({ 1, 3, buf }, pos)
eq({ 1, 3, buf }, pos_default)
end)
it('is modifiable', function()
local pos, buf = exec_lua(function()
local pos = vim.pos(-1, 5, 5)
pos.buf = 0
pos.row = 4
pos.col = 2
return pos, vim.api.nvim_get_current_buf()
end)
eq({ 4, 2, buf }, pos)
end)
it('comparisons by overloaded operators', function()
local buf = exec_lua(function()
return vim.api.nvim_create_buf(false, true)
end)
eq(
true,
exec_lua(function()
return vim.pos(buf, 3, 5) < vim.pos(buf, 4, 5)
end)
)
eq(
true,
exec_lua(function()
return vim.pos(buf, 3, 5) <= vim.pos(buf, 3, 6)
end)
)
eq(
true,
exec_lua(function()
return vim.pos(buf, 3, 5) > vim.pos(buf, 2, 5)
end)
)
eq(
true,
exec_lua(function()
return vim.pos(buf, 3, 5) >= vim.pos(buf, 3, 5)
end)
)
eq(
true,
exec_lua(function()
return vim.pos(buf, 3, 5) == vim.pos(buf, 3, 5)
end)
)
eq(
true,
exec_lua(function()
return vim.pos(buf, 3, 5) ~= vim.pos(buf, 3, 6)
end)
)
end)
it('converts between vim.Pos and lsp.Position', function()
local buf = exec_lua(function()
return vim.api.nvim_get_current_buf()
end)
insert('Neovim 是 Vim 的分支，专注于扩展性和可用性。')
local lsp_pos = exec_lua(function()
local pos = vim.pos(buf, 0, 36)
return pos:to_lsp('utf-16')
end)
eq({ line = 0, character = 20 }, lsp_pos)
local pos = exec_lua(function()
return vim.pos.lsp(buf, lsp_pos, 'utf-16')
end)
eq({
0,
36,
buf,
}, pos)
end)
it('converts between vim.Pos and buffer offset', function()
local buf = exec_lua(function()
return vim.api.nvim_get_current_buf()
end)
insert(dedent [[
first
second
third
]])
local offsets = exec_lua(function()
return {
vim.pos(buf, 0, 0):to_offset(),
vim.pos(buf, 0, 3):to_offset(),
vim.pos(buf, 1, 0):to_offset(),
vim.pos(buf, 3, 0):to_offset(),
}
end)
eq({ 0, 3, 6, 19 }, offsets)
local positions = exec_lua(function()
return {
vim.pos.offset(buf, 0),
vim.pos.offset(buf, 3),
vim.pos.offset(buf, 6),
vim.pos.offset(buf, 19),
}
end)
eq({
{ 0, 0, buf },
{ 0, 3, buf },
{ 1, 0, buf },
{ 3, 0, buf },
}, positions)
end)
end)
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