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			409 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			409 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
local helpers = require('test.functional.helpers')(after_each)
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local Screen = require('test.functional.ui.screen')
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local assert_alive = helpers.assert_alive
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local clear = helpers.clear
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local feed = helpers.feed
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local eq = helpers.eq
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local exec_lua = helpers.exec_lua
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local next_msg = helpers.next_msg
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local NIL = helpers.NIL
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local pcall_err = helpers.pcall_err
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describe('thread', function()
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  local screen
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  before_each(function()
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    clear()
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    screen = Screen.new(50, 10)
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    screen:attach()
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    screen:set_default_attr_ids({
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      [1] = {bold = true, foreground = Screen.colors.Blue1},
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      [2] = {bold = true, reverse = true},
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      [3] = {foreground = Screen.colors.Grey100, background = Screen.colors.Red},
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      [4] = {bold = true, foreground = Screen.colors.SeaGreen4},
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      [5] = {bold = true},
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    })
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  end)
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  it('entry func is executed in protected mode', function()
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    exec_lua [[
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      local thread = vim.uv.new_thread(function()
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        error('Error in thread entry func')
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      end)
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      vim.uv.thread_join(thread)
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    ]]
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    screen:expect([[
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                                                        |
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {2:                                                  }|
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      {3:Error in luv thread:}                              |
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      {3:[string "<nvim>"]:2: Error in thread entry func}   |
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      {4:Press ENTER or type command to continue}^           |
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    ]])
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    feed('<cr>')
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    assert_alive()
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  end)
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  it('callback is executed in protected mode', function()
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    exec_lua [[
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      local thread = vim.uv.new_thread(function()
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        local timer = vim.uv.new_timer()
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        local function ontimeout()
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          timer:stop()
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          timer:close()
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          error('Error in thread callback')
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        end
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        timer:start(10, 0, ontimeout)
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        vim.uv.run()
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      end)
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      vim.uv.thread_join(thread)
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    ]]
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    screen:expect([[
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                                                        |
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {2:                                                  }|
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      {3:Error in luv callback, thread:}                    |
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      {3:[string "<nvim>"]:6: Error in thread callback}     |
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      {4:Press ENTER or type command to continue}^           |
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    ]])
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    feed('<cr>')
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    assert_alive()
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  end)
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  describe('print', function()
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    it('works', function()
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      exec_lua [[
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        local thread = vim.uv.new_thread(function()
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          print('print in thread')
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        end)
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        vim.uv.thread_join(thread)
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      ]]
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      screen:expect([[
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        ^                                                  |
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        print in thread                                   |
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      ]])
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    end)
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    it('vim.inspect', function()
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      exec_lua [[
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        local thread = vim.uv.new_thread(function()
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          print(vim.inspect({1,2}))
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        end)
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        vim.uv.thread_join(thread)
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      ]]
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      screen:expect([[
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        ^                                                  |
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        {1:~                                                 }|
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        { 1, 2 }                                          |
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      ]])
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    end)
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  end)
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  describe('vim.*', function()
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    before_each(function()
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      clear()
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      exec_lua [[
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        Thread_Test = {}
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        Thread_Test.entry_func = function(async, entry_str, args)
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          local decoded_args = vim.mpack.decode(args)
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          assert(loadstring(entry_str))(async, decoded_args)
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        end
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        function Thread_Test:do_test()
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          local async
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          local on_async = self.on_async
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          async = vim.uv.new_async(function(ret)
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            on_async(ret)
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            async:close()
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          end)
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          local thread =
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            vim.uv.new_thread(self.entry_func, async, self.entry_str, self.args)
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          vim.uv.thread_join(thread)
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        end
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        Thread_Test.new = function(entry, on_async, ...)
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          self = {}
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          setmetatable(self, {__index = Thread_Test})
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          self.args = vim.mpack.encode({...})
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          self.entry_str = string.dump(entry)
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          self.on_async = on_async
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          return self
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        end
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      ]]
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    end)
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    it('is_thread', function()
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      exec_lua [[
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        local entry = function(async)
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          async:send(vim.is_thread())
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        end
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        local on_async = function(ret)
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          vim.rpcnotify(1, 'result', ret)
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        end
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        local thread_test = Thread_Test.new(entry, on_async)
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        thread_test:do_test()
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      ]]
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      eq({'notification', 'result', {true}}, next_msg())
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    end)
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    it('uv', function()
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      exec_lua [[
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        local entry = function(async)
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          async:send(vim.uv.version())
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        end
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        local on_async = function(ret)
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          vim.rpcnotify(1, ret)
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        end
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        local thread_test = Thread_Test.new(entry, on_async)
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        thread_test:do_test()
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      ]]
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      local msg = next_msg()
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      eq(msg[1], 'notification')
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      assert(tonumber(msg[2]) >= 72961)
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    end)
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    it('mpack', function()
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      exec_lua [[
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        local entry = function(async)
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          async:send(vim.mpack.encode({33, vim.NIL, 'text'}))
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        end
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        local on_async = function(ret)
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          vim.rpcnotify(1, 'result', vim.mpack.decode(ret))
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        end
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        local thread_test = Thread_Test.new(entry, on_async)
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        thread_test:do_test()
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      ]]
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      eq({'notification', 'result', {{33, NIL, 'text'}}}, next_msg())
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    end)
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    it('json', function()
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      exec_lua [[
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        local entry = function(async)
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        async:send(vim.json.encode({33, vim.NIL, 'text'}))
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        end
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        local on_async = function(ret)
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        vim.rpcnotify(1, 'result', vim.json.decode(ret))
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        end
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        local thread_test = Thread_Test.new(entry, on_async)
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        thread_test:do_test()
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      ]]
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      eq({'notification', 'result', {{33, NIL, 'text'}}}, next_msg())
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    end)
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    it('diff', function()
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      exec_lua [[
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        local entry = function(async)
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          async:send(vim.diff('Hello\n', 'Helli\n'))
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        end
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        local on_async = function(ret)
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          vim.rpcnotify(1, 'result', ret)
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        end
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        local thread_test = Thread_Test.new(entry, on_async)
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        thread_test:do_test()
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      ]]
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      eq({'notification', 'result',
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          {table.concat({
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            '@@ -1 +1 @@',
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            '-Hello',
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            '+Helli',
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            ''
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          }, '\n')}},
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        next_msg())
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    end)
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  end)
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end)
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describe('threadpool', function()
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  before_each(clear)
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  it('is_thread', function()
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    eq(false, exec_lua [[return vim.is_thread()]])
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    exec_lua [[
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      local work_fn = function()
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        return vim.is_thread()
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      end
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      local after_work_fn = function(ret)
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        vim.rpcnotify(1, 'result', ret)
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      end
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      local work = vim.uv.new_work(work_fn, after_work_fn)
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      work:queue()
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    ]]
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    eq({'notification', 'result', {true}}, next_msg())
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  end)
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  it('with invalid argument', function()
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    local status = pcall_err(exec_lua, [[
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      local work = vim.uv.new_thread(function() end, function() end)
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      work:queue({})
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    ]])
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    eq([[Error: thread arg not support type 'function' at 1]],
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       status)
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  end)
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  it('with invalid return value', function()
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    local screen = Screen.new(50, 10)
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    screen:attach()
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    screen:set_default_attr_ids({
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      [1] = {bold = true, foreground = Screen.colors.Blue1},
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      [2] = {bold = true, reverse = true},
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      [3] = {foreground = Screen.colors.Grey100, background = Screen.colors.Red},
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      [4] = {bold = true, foreground = Screen.colors.SeaGreen4},
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      [5] = {bold = true},
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    })
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    exec_lua [[
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      local work = vim.uv.new_work(function() return {} end, function() end)
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      work:queue()
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    ]]
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    screen:expect([[
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                                                        |
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {1:~                                                 }|
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      {2:                                                  }|
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      {3:Error in luv thread:}                              |
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      {3:Error: thread arg not support type 'table' at 1}   |
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      {4:Press ENTER or type command to continue}^           |
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    ]])
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  end)
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  describe('vim.*', function()
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    before_each(function()
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      clear()
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      exec_lua [[
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        Threadpool_Test = {}
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        Threadpool_Test.work_fn = function(work_fn_str, args)
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          local decoded_args = vim.mpack.decode(args)
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          return assert(loadstring(work_fn_str))(decoded_args)
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        end
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        function Threadpool_Test:do_test()
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          local work =
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            vim.uv.new_work(self.work_fn, self.after_work)
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          work:queue(self.work_fn_str, self.args)
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        end
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        Threadpool_Test.new = function(work_fn, after_work, ...)
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          self = {}
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          setmetatable(self, {__index = Threadpool_Test})
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          self.args = vim.mpack.encode({...})
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          self.work_fn_str = string.dump(work_fn)
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          self.after_work = after_work
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          return self
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        end
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      ]]
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    end)
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    it('uv', function()
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      exec_lua [[
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        local work_fn = function()
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          return vim.uv.version()
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        end
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        local after_work_fn = function(ret)
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          vim.rpcnotify(1, ret)
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        end
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        local threadpool_test = Threadpool_Test.new(work_fn, after_work_fn)
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        threadpool_test:do_test()
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      ]]
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      local msg = next_msg()
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      eq(msg[1], 'notification')
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      assert(tonumber(msg[2]) >= 72961)
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    end)
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    it('mpack', function()
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      exec_lua [[
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        local work_fn = function()
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          local var = vim.mpack.encode({33, vim.NIL, 'text'})
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          return var
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        end
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        local after_work_fn = function(ret)
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          vim.rpcnotify(1, 'result', vim.mpack.decode(ret))
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        end
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        local threadpool_test = Threadpool_Test.new(work_fn, after_work_fn)
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        threadpool_test:do_test()
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      ]]
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      eq({'notification', 'result', {{33, NIL, 'text'}}}, next_msg())
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    end)
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    it('json', function()
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      exec_lua [[
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        local work_fn = function()
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          local var = vim.json.encode({33, vim.NIL, 'text'})
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          return var
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        end
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        local after_work_fn = function(ret)
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          vim.rpcnotify(1, 'result', vim.json.decode(ret))
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        end
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        local threadpool_test = Threadpool_Test.new(work_fn, after_work_fn)
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        threadpool_test:do_test()
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      ]]
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      eq({'notification', 'result', {{33, NIL, 'text'}}}, next_msg())
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    end)
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    it('work', function()
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      exec_lua [[
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        local work_fn = function()
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          return vim.diff('Hello\n', 'Helli\n')
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        end
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        local after_work_fn = function(ret)
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          vim.rpcnotify(1, 'result', ret)
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        end
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        local threadpool_test = Threadpool_Test.new(work_fn, after_work_fn)
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        threadpool_test:do_test()
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      ]]
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      eq({'notification', 'result',
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          {table.concat({
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            '@@ -1 +1 @@',
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            '-Hello',
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            '+Helli',
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            ''
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          }, '\n')}},
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        next_msg())
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    end)
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  end)
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end)
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