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https://github.com/neovim/neovim.git
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b1c1f32089
Problem: - To share logic, creating a `vim.Range` currently creates two `vim.Pos` values as intermediates, which causes unnecessary table allocations. - `pos.lua` and `range.lua` contain some overlapping logic. Solution: Add `vim.pos._util`, a module for handling positions represented directly by `row` and `col`.
131 lines
2.9 KiB
Lua
131 lines
2.9 KiB
Lua
-- Test suite for vim.pos
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local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local eq = t.eq
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local dedent = t.dedent
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local clear = n.clear
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local exec_lua = n.exec_lua
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local insert = n.insert
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describe('vim.pos', function()
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before_each(clear)
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it('creates a position', function()
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local pos, buf = exec_lua(function()
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local buf = vim.api.nvim_create_buf(false, true)
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return vim.pos(buf, 3, 5), buf
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end)
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eq(3, pos[1])
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eq(5, pos[2])
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eq(buf, pos[3])
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end)
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it('creates a position with buf=0', function()
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local pos, buf = exec_lua(function()
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return vim.pos(0, 3, 5), vim.api.nvim_get_current_buf()
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end)
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eq(3, pos[1])
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eq(5, pos[2])
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eq(buf, pos[3])
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end)
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it('comparisons by overloaded operators', function()
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local buf = exec_lua(function()
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return vim.api.nvim_create_buf(false, true)
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end)
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eq(
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true,
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exec_lua(function()
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return vim.pos(buf, 3, 5) < vim.pos(buf, 4, 5)
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end)
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)
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eq(
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true,
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exec_lua(function()
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return vim.pos(buf, 3, 5) <= vim.pos(buf, 3, 6)
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end)
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)
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eq(
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true,
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exec_lua(function()
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return vim.pos(buf, 3, 5) > vim.pos(buf, 2, 5)
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end)
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)
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eq(
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true,
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exec_lua(function()
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return vim.pos(buf, 3, 5) >= vim.pos(buf, 3, 5)
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end)
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)
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eq(
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true,
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exec_lua(function()
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return vim.pos(buf, 3, 5) == vim.pos(buf, 3, 5)
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end)
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)
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eq(
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true,
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exec_lua(function()
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return vim.pos(buf, 3, 5) ~= vim.pos(buf, 3, 6)
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end)
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)
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end)
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it('converts between vim.Pos and lsp.Position', function()
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local buf = exec_lua(function()
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return vim.api.nvim_get_current_buf()
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end)
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insert('Neovim 是 Vim 的分支，专注于扩展性和可用性。')
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local lsp_pos = exec_lua(function()
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local pos = vim.pos(buf, 0, 36)
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return pos:to_lsp('utf-16')
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end)
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eq({ line = 0, character = 20 }, lsp_pos)
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local pos = exec_lua(function()
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return vim.pos.lsp(buf, lsp_pos, 'utf-16')
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end)
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eq({
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0,
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36,
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buf,
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}, pos)
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end)
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it('converts between vim.Pos and buffer offset', function()
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local buf = exec_lua(function()
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return vim.api.nvim_get_current_buf()
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end)
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insert(dedent [[
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first
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second
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third
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]])
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local offsets = exec_lua(function()
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return {
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vim.pos(buf, 0, 0):to_offset(),
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vim.pos(buf, 0, 3):to_offset(),
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vim.pos(buf, 1, 0):to_offset(),
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vim.pos(buf, 3, 0):to_offset(),
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}
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end)
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eq({ 0, 3, 6, 19 }, offsets)
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local positions = exec_lua(function()
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return {
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vim.pos.offset(buf, 0),
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vim.pos.offset(buf, 3),
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vim.pos.offset(buf, 6),
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vim.pos.offset(buf, 19),
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}
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end)
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eq({
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{ 0, 0, buf },
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{ 0, 3, buf },
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{ 1, 0, buf },
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{ 3, 0, buf },
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}, positions)
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end)
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end)
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