mirror of
https://github.com/neovim/neovim.git
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472 lines
13 KiB
Lua
472 lines
13 KiB
Lua
local t = require('test.unit.testutil')
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local itp = t.gen_itp(it)
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local to_cstr = t.to_cstr
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local get_str = t.ffi.string
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local eq = t.eq
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local NULL = t.NULL
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local buffer = t.cimport('./src/nvim/buffer.h')
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local globals = t.cimport('./src/nvim/globals.h')
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local stl = t.cimport('./src/nvim/statusline.h')
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local grid = t.cimport('./src/nvim/grid.h')
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describe('build_stl_str_hl', function()
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local buffer_byte_size = 100
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local STL_INITIAL_ITEMS = 20
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local output_buffer = ''
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-- This function builds the statusline
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--
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-- @param arg Optional arguments are:
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-- .pat The statusline format string
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-- .fillchar The fill character used in the statusline
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-- .maximum_cell_count The number of cells available in the statusline
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local function build_stl_str_hl(arg)
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output_buffer = to_cstr(string.rep(' ', buffer_byte_size))
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local pat = arg.pat or ''
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local fillchar = arg.fillchar or ' '
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local maximum_cell_count = arg.maximum_cell_count or buffer_byte_size
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if type(fillchar) == type('') then
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fillchar = grid.schar_from_str(fillchar)
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end
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return stl.build_stl_str_hl(
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globals.curwin,
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output_buffer,
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buffer_byte_size,
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to_cstr(pat),
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-1,
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0,
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fillchar,
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maximum_cell_count,
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NULL,
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NULL,
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NULL,
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NULL
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)
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end
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-- Use this function to simplify testing the comparison between
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-- the format string and the resulting statusline.
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--
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-- @param description The description of what the test should be doing
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-- @param statusline_cell_count The number of cells available in the statusline
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-- @param input_stl The format string for the statusline
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-- @param expected_stl The expected result string for the statusline
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--
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-- @param arg Options can be placed in an optional dictionary as the last parameter
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-- .expected_cell_count The expected number of cells build_stl_str_hl will return
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-- .expected_byte_length The expected byte length of the string (defaults to byte length of expected_stl)
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-- .file_name The name of the file to be tested (useful in %f type tests)
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-- .fillchar The character that will be used to fill any 'extra' space in the stl
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local function statusline_test(description, statusline_cell_count, input_stl, expected_stl, arg)
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-- arg is the optional parameter
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-- so we either fill in option with arg or an empty dictionary
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local option = arg or {}
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local fillchar = option.fillchar or ' '
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local expected_cell_count = option.expected_cell_count or statusline_cell_count
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local expected_byte_length = option.expected_byte_length or #expected_stl
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itp(description, function()
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if option.file_name then
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buffer.setfname(globals.curbuf, to_cstr(option.file_name), NULL, 1)
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else
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buffer.setfname(globals.curbuf, nil, NULL, 1)
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end
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local result_cell_count = build_stl_str_hl {
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pat = input_stl,
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maximum_cell_count = statusline_cell_count,
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fillchar = fillchar,
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}
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eq(expected_stl, get_str(output_buffer, expected_byte_length))
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eq(expected_cell_count, result_cell_count)
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end)
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end
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-- expression testing
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statusline_test('Should expand expression', 2, '%!expand(20+1)', '21')
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statusline_test('Should expand broken expression to itself', 11, '%!expand(20+1', 'expand(20+1')
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-- file name testing
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statusline_test('should print no file name', 10, '%f', '[No Name]', { expected_cell_count = 9 })
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statusline_test(
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'should print the relative file name',
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30,
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'%f',
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'test/unit/buffer_spec.lua',
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{ file_name = 'test/unit/buffer_spec.lua', expected_cell_count = 25 }
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)
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statusline_test(
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'should print the full file name',
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40,
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'%F',
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'/test/unit/buffer_spec.lua',
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{ file_name = '/test/unit/buffer_spec.lua', expected_cell_count = 26 }
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)
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-- fillchar testing
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statusline_test(
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'should handle `!` as a fillchar',
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10,
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'abcde%=',
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'abcde!!!!!',
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{ fillchar = '!' }
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)
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statusline_test(
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'should handle `~` as a fillchar',
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10,
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'%=abcde',
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'~~~~~abcde',
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{ fillchar = '~' }
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)
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statusline_test(
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'should put fillchar `!` in between text',
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10,
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'abc%=def',
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'abc!!!!def',
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{ fillchar = '!' }
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)
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statusline_test(
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'should put fillchar `~` in between text',
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10,
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'abc%=def',
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'abc~~~~def',
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{ fillchar = '~' }
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)
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statusline_test(
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'should put fillchar `━` in between text',
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10,
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'abc%=def',
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'abc━━━━def',
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{ fillchar = '━' }
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)
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statusline_test(
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'should handle zero-fillchar as a space',
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10,
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'abcde%=',
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'abcde ',
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{ fillchar = 0 }
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)
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statusline_test(
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'should print the tail file name',
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80,
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'%t',
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'buffer_spec.lua',
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{ file_name = 'test/unit/buffer_spec.lua', expected_cell_count = 15 }
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)
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-- standard text testing
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statusline_test(
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'should copy plain text',
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80,
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'this is a test',
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'this is a test',
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{ expected_cell_count = 14 }
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)
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-- line number testing
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statusline_test('should print the buffer number', 80, '%n', '1', { expected_cell_count = 1 })
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statusline_test(
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'should print the current line number in the buffer',
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80,
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'%l',
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'0',
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{ expected_cell_count = 1 }
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)
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statusline_test(
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'should print the number of lines in the buffer',
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80,
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'%L',
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'1',
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{ expected_cell_count = 1 }
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)
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-- truncation testing
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statusline_test(
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'should truncate when standard text pattern is too long',
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10,
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'0123456789abcde',
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'<6789abcde'
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)
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statusline_test('should truncate when using =', 10, 'abcdef%=ghijkl', 'abcdef<jkl')
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statusline_test(
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'should truncate centered text when using ==',
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10,
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'abcde%=gone%=fghij',
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'abcde<ghij'
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)
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statusline_test('should respect the `<` marker', 10, 'abc%<defghijkl', 'abc<ghijkl')
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statusline_test(
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'should truncate at `<` with one `=`, test 1',
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10,
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'abc%<def%=ghijklmno',
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'abc<jklmno'
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)
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statusline_test(
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'should truncate at `<` with one `=`, test 2',
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10,
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'abcdef%=ghijkl%<mno',
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'abcdefghi>'
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)
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statusline_test(
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'should truncate at `<` with one `=`, test 3',
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10,
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'abc%<def%=ghijklmno',
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'abc<jklmno'
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)
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statusline_test('should truncate at `<` with one `=`, test 4', 10, 'abc%<def%=ghij', 'abcdefghij')
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statusline_test(
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'should truncate at `<` with one `=`, test 4',
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10,
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'abc%<def%=ghijk',
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'abc<fghijk'
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)
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statusline_test(
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'should truncate at `<` with many `=`, test 4',
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10,
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'ab%<cdef%=g%=h%=ijk',
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'ab<efghijk'
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)
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statusline_test('should truncate at the first `<`', 10, 'abc%<def%<ghijklm', 'abc<hijklm')
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statusline_test('should ignore trailing %', 3, 'abc%', 'abc')
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-- alignment testing with fillchar
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local function statusline_test_align(
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description,
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statusline_cell_count,
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input_stl,
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expected_stl,
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arg
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)
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arg = arg or {}
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statusline_test(
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description .. ' without fillchar',
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statusline_cell_count,
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input_stl,
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expected_stl:gsub('%~', ' '),
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arg
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)
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arg.fillchar = '!'
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statusline_test(
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description .. ' with fillchar `!`',
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statusline_cell_count,
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input_stl,
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expected_stl:gsub('%~', '!'),
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arg
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)
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arg.fillchar = '━'
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statusline_test(
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description .. ' with fillchar `━`',
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statusline_cell_count,
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input_stl,
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expected_stl:gsub('%~', '━'),
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arg
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)
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end
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statusline_test_align('should right align when using =', 20, 'neo%=vim', 'neo~~~~~~~~~~~~~~vim')
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statusline_test_align(
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'should, when possible, center text when using %=text%=',
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20,
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'abc%=neovim%=def',
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'abc~~~~neovim~~~~def'
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)
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statusline_test_align(
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'should handle uneven spacing in the buffer when using %=text%=',
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20,
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'abc%=neo_vim%=def',
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'abc~~~neo_vim~~~~def'
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)
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statusline_test_align(
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'should have equal spaces even with non-equal sides when using =',
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20,
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'foobar%=test%=baz',
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'foobar~~~test~~~~baz'
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)
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statusline_test_align(
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'should have equal spaces even with longer right side when using =',
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20,
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'a%=test%=longtext',
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'a~~~test~~~~longtext'
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)
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statusline_test_align(
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'should handle an empty left side when using ==',
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20,
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'%=test%=baz',
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'~~~~~~test~~~~~~~baz'
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)
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statusline_test_align(
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'should handle an empty right side when using ==',
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20,
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'foobar%=test%=',
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'foobar~~~~~test~~~~~'
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)
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statusline_test_align(
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'should handle consecutive empty ==',
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20,
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'%=%=test%=',
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'~~~~~~~~~~test~~~~~~'
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)
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statusline_test_align('should handle an = alone', 20, '%=', '~~~~~~~~~~~~~~~~~~~~')
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statusline_test_align(
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'should right align text when it is alone with =',
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20,
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'%=foo',
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'~~~~~~~~~~~~~~~~~foo'
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)
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statusline_test_align(
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'should left align text when it is alone with =',
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20,
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'foo%=',
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'foo~~~~~~~~~~~~~~~~~'
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)
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statusline_test_align(
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'should approximately center text when using %=text%=',
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21,
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'abc%=neovim%=def',
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'abc~~~~neovim~~~~~def'
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)
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statusline_test_align(
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'should completely fill the buffer when using %=text%=',
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21,
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'abc%=neo_vim%=def',
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'abc~~~~neo_vim~~~~def'
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)
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statusline_test_align(
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'should have equal spacing even with non-equal sides when using =',
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21,
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'foobar%=test%=baz',
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'foobar~~~~test~~~~baz'
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)
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statusline_test_align(
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'should have equal spacing even with longer right side when using =',
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21,
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'a%=test%=longtext',
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'a~~~~test~~~~longtext'
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)
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statusline_test_align(
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'should handle an empty left side when using ==',
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21,
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'%=test%=baz',
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'~~~~~~~test~~~~~~~baz'
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)
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statusline_test_align(
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'should handle an empty right side when using ==',
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21,
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'foobar%=test%=',
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'foobar~~~~~test~~~~~~'
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)
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statusline_test_align(
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'should quadrant the text when using 3 %=',
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40,
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'abcd%=n%=eovim%=ef',
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'abcd~~~~~~~~~n~~~~~~~~~eovim~~~~~~~~~~ef'
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)
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statusline_test_align(
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'should work well with %t',
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40,
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'%t%=right_aligned',
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'buffer_spec.lua~~~~~~~~~~~~right_aligned',
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{ file_name = 'test/unit/buffer_spec.lua' }
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)
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statusline_test_align(
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'should work well with %t and regular text',
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40,
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'l%=m_l %t m_r%=r',
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'l~~~~~~~m_l buffer_spec.lua m_r~~~~~~~~r',
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{ file_name = 'test/unit/buffer_spec.lua' }
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)
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statusline_test_align(
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'should work well with %=, %t, %L, and %l',
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40,
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'%t %= %L %= %l',
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'buffer_spec.lua ~~~~~~~~~ 1 ~~~~~~~~~~ 0',
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{ file_name = 'test/unit/buffer_spec.lua' }
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)
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statusline_test_align(
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'should quadrant the text when using 3 %=',
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41,
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'abcd%=n%=eovim%=ef',
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'abcd~~~~~~~~~n~~~~~~~~~eovim~~~~~~~~~~~ef'
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)
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statusline_test_align(
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'should work well with %t',
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41,
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'%t%=right_aligned',
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'buffer_spec.lua~~~~~~~~~~~~~right_aligned',
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{ file_name = 'test/unit/buffer_spec.lua' }
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)
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statusline_test_align(
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'should work well with %t and regular text',
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41,
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'l%=m_l %t m_r%=r',
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'l~~~~~~~~m_l buffer_spec.lua m_r~~~~~~~~r',
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{ file_name = 'test/unit/buffer_spec.lua' }
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)
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statusline_test_align(
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'should work well with %=, %t, %L, and %l',
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41,
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'%t %= %L %= %l',
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'buffer_spec.lua ~~~~~~~~~~ 1 ~~~~~~~~~~ 0',
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{ file_name = 'test/unit/buffer_spec.lua' }
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)
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statusline_test_align(
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'should work with 10 %=',
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50,
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'aaaa%=b%=c%=d%=e%=fg%=hi%=jk%=lmnop%=qrstuv%=wxyz',
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'aaaa~~b~~c~~d~~e~~fg~~hi~~jk~~lmnop~~qrstuv~~~wxyz'
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)
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-- stl item testing
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local tabline = ''
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for i = 1, 1000 do
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tabline = tabline .. (i % 2 == 0 and '%#TabLineSel#' or '%#TabLineFill#') .. tostring(i % 2)
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end
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statusline_test('should handle a large amount of any items', 20, tabline, '<1010101010101010101') -- Should not show any error
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statusline_test(
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'should handle a larger amount of = than stl initial item',
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20,
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('%='):rep(STL_INITIAL_ITEMS * 5),
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' '
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) -- Should not show any error
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statusline_test(
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'should handle many extra characters',
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20,
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'a' .. ('a'):rep(STL_INITIAL_ITEMS * 5),
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'<aaaaaaaaaaaaaaaaaaa'
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) -- Does not show any error
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statusline_test(
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'should handle many extra characters and flags',
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20,
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'a' .. ('%=a'):rep(STL_INITIAL_ITEMS * 2),
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'a<aaaaaaaaaaaaaaaaaa'
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) -- Should not show any error
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-- multi-byte testing
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statusline_test('should handle multibyte characters', 10, 'Ĉ%=x', 'Ĉ x')
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statusline_test(
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'should handle multibyte characters and different fillchars',
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10,
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'Ą%=mid%=end',
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'Ą@mid@@end',
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{ fillchar = '@' }
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)
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-- escaping % testing
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statusline_test('should handle escape of %', 4, 'abc%%', 'abc%')
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statusline_test('case where escaped % does not fit', 3, 'abc%%abcabc', '<bc')
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statusline_test('escaped % is first', 1, '%%', '%')
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end)
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