Execute (Setup):
  Save g:traces_preserve_view_state, g:traces_substitute_preview,
  \ &listchars, &hlsearch, &cursorline, &cursorline, &encoding,
  \ &winminwidth, &winminheight
  let g:traces_preserve_view_state = 0
  let g:traces_substitute_preview  = 1
  let g:traces_normal_preview  = 1
  let g:traces_skip_modifiers = 1
  let g:traces_num_range_preview = 0
  let g:traces_preview_window = ''
  let g:traces_abolish_integration = 0

  function! Group(group) abort
    let matches = filter(getmatches(), {idx, val -> val.group == a:group})
    if !empty(matches)
      return matches[0].pattern
    endif
  endfunction

  let &listchars = 'eol:.'
  set encoding=utf-8

After:
  call traces#cmdl_leave()

Before:
  let g:traces_preserve_view_state = 0
  let g:traces_substitute_preview  = 1
  let g:traces_skip_modifiers = 1
  let g:traces_num_range_preview = 0
  call clearmatches()

#######################
# Test positioning    #
#######################
Given (Ten lines):
  1   one
  2   two
  3   three
  4   four
  5   five
  6   six
  7   seven
  8   eight
  9   nine
  10  ten
  11  foo/bar
  12  foo?bar
  13  \
  14  four

Execute (Range):
  14
  call traces#init('/four', {})
  Assert line('.') is 4

Execute (Range):
  14
  call traces#init('/four/', {})
  Assert line('.') is 4

Execute (Range):
  14
  let @/= 'four'
  call traces#init('\/', {})
  Assert line('.') is 4

Execute (Range):
  set nowrapscan
  14
  call traces#init('/four/-', {})
  Assert line('.') is 14
  set wrapscan

Execute (Range):
  set nowrapscan
  14
  let @/= 'four'
  call traces#init('\/-', {})
  Assert line('.') is 14
  set wrapscan

Execute (Range):
  1
  call traces#init('5;10', winsaveview())
  Assert line('.') == 1

Execute (Range):
  let g:traces_num_range_preview = 1
  1
  call traces#init('5;10', winsaveview())
  Assert line('.') == 10

Execute (Range):
  let g:traces_num_range_preview = 1
  1
  call traces#init('5;', winsaveview())
  Assert line('.') == 5

Execute (Range):
  let g:traces_num_range_preview = 1
  1
  call traces#init('5,', winsaveview())
  Assert line('.') == 1

Execute (Range):
  1
  call traces#init('5,', winsaveview())
  Assert line('.') == 1

Execute (Range):
  1
  call traces#init('5;', winsaveview())
  Assert line('.') == 1

Execute (Range):
  1
  call traces#init('5', winsaveview())
  Assert line('.') == 1

Execute (Range):
  1
  call traces#init('10;5g/', winsaveview())
  Assert line('.') == 5

Execute (Range):
  1
  call traces#init('5;10g/', winsaveview())
  Assert line('.') == 10

Execute (Range):
  call traces#init('5;10s/.', {})
  Assert line('.') == 5

Execute (Range):
  call traces#init('5;10s?.', {})
  Assert line('.') == 10

Execute (Range):
  call traces#init('10;5s/.', {})
  Assert line('.') == 5

Execute (Range):
  call traces#init('10;5s?.', {})
  Assert line('.') == 10

Execute (Range):
  call traces#init('/three', {})
  Assert line('.') == 3

Execute (Range):
  /ten/
  call traces#init('?two', {})
  Assert line('.') == 2

Execute (Range):
  call traces#init('/three/;/eight/', {})
  Assert line('.') == 8

Execute (Range):
  7
  ma m
  1
  call traces#init('/three/;''m', {})
  Assert line('.') == 7

Execute (Range):
  call traces#init('/foo\/bar', {})
  Assert line('.') == 11

Execute (Range):
  call traces#init('/foo\/bar/foobar', {})
  Assert line('.') == 11

Execute (Range):
  call traces#init('/two/3', {})
  Assert line('.') == 5

Execute (Range):
  call traces#init('/foo?bar', {})
  Assert line('.') == 12

Execute (Range):
  call traces#init('?foo\?bar?', {})
  Assert line('.') == 12

Execute (Range):
  call traces#init('?foo\?bar', {})
  Assert line('.') == 12

Execute (Range):
  call traces#init('/ten/++', {})
  Assert line('.') == 12
  call traces#init('', {})
  Assert line('.') == 1

Execute (Range):
  call traces#init('/one/;11s/five', {})
  Assert line('.') == 5
  call traces#init('', {})
  Assert line('.') == 1

Execute (Range):
  call traces#init('/one/;11g/five', {})
  Assert line('.') == 5
  call traces#init('', {})
  Assert line('.') == 1

# test g:traces_preserve_view_state = 1
Execute (Range):
  let g:traces_preserve_view_state = 1
  call traces#init('/ten/++', {})
  Assert line('.') == 1

Execute (Range):
  let g:traces_preserve_view_state = 1
  call traces#init('/one/;11s/five', {})
  Assert line('.') == 1

Execute (Range):
  let g:traces_preserve_view_state = 1
  call traces#init('/one/;11g/five', {})
  Assert line('.') == 1

Execute (Range):
  let g:traces_preserve_view_state = 1
  call traces#init('g/five', {})
  Assert line('.') == 1

Execute (Global, test invalid pattern):
  6
  call traces#init('g/bazbar', {})
  Assert line('.') == 6

Execute (Substitute, test invalid pattern):
  6
  call traces#init('s/bazbar', {})
  Assert line('.') == 6

Execute (Substitute, test invalid pattern):
  6
  call traces#init('%s/bazbar', {})
  Assert line('.') == 6

Execute (Range, test invalid pattern):
  6
  call traces#init('/bazbar', {})
  Assert line('.') == 6

Execute (Range, test invalid pattern):
  6
  call traces#init('?bazbar', {})
  Assert line('.') == 6

Execute (Range, test invalid pattern):
  6
  call traces#init('?bazbar', {})
  Assert line('.') == 6

Execute (Substitute, no range):
  11
  call traces#init('s/bar', {})
  Assert line('.') == 11
  Assert col('.') == 9

Given (Ten lines):
  1   one
  2   two
  3   three
  4   baz
  5   five
  6   six
  7   seven
  8   eight
  9   nine
  10  baz
  11  foo/bar
  12  foo?bar
  13  \
  14  four

Execute (Substitute with range):
  6
  call traces#init('3;11s/baz', {})
  Assert line('.') == 4

Execute (Substitute with range):
  6
  call traces#init('3;11s?baz', {})
  Assert line('.') == 10

Execute (Substitute with range):
  6
  call traces#init('%s/baz', {})
  Assert line('.') == 10

Execute (Substitute with range):
  6
  call traces#init('%s?baz', {})
  Assert line('.') == 4

Execute (Invalid substitute):
  6
  call traces#init('s/baz', {})
  Assert line('.') == 6

#######################
# Test highlighting   #
#######################
Given (Ten lines):
  1   one
  2   two
  3   three
  4   four
  5   five
  6   six
  7   seven
  8   eight
  9   nine
  10  ten
  11  foo/bar
  12  foo?bar
  13  \
  14  four

Execute (Sort):
  call traces#init('%sort /\w\+/', {})
  AssertEqual '\m\%>0l\%<15l\%(\m\w\+\m\)', Group('TracesSearch')

Execute (Global):
  call traces#init('7,/four/g/foobar', {})
  AssertEqual '\m\%>3l\%<8l\%(\mfoobar\m\)', Group('TracesSearch')
  call traces#init('7,/four/g', {})
  AssertEqual 0, Group('TracesSearch')

Execute (Range):
  6
  call traces#init('/./', {})
  AssertEqual '\%>6l\%<8l\_.', Group('Visual')
  call traces#init('/.//', {})
  AssertEqual '\%>6l\%<8l\_.', Group('Visual')

Execute (Range):
  6
  call traces#init('?.?', {})
  AssertEqual '\%>4l\%<6l\_.', Group('Visual')
  call traces#init('?.??', {})
  AssertEqual '\%>4l\%<6l\_.', Group('Visual')

Execute (Range):
  6
  call traces#init('/.', {})
  AssertEqual '\%>6l\%<8l\_.', Group('Visual')
  call traces#init('/', {})
  Assert empty(getmatches())

Execute (Range):
  6
  call traces#init('?.', {})
  AssertEqual '\%>4l\%<6l\_.', Group('Visual')
  call traces#init('?', {})
  Assert empty(getmatches())

Execute (Range):
  6
  call traces#init('/ten/;?four', {})
  AssertEqual '\m\%>3l\%<5l\%(\mfour\m\)', Group('TracesSearch')

Execute (Range):
  6
  call traces#init('?.?;?.?;?', {})
  AssertEqual '\%>3l\%<5l\_.', Group('Visual')
  call traces#init('', {})
  Assert empty(getmatches())

Execute (Range):
  6
  call traces#init('/./;/./;/', {})
  AssertEqual '\%>7l\%<9l\_.', Group('Visual')
  call traces#init('', {})
  Assert empty(getmatches())

Execute (Range):
  call traces#init('22;g', {})
  AssertEqual 0, Group('Visual')
  call traces#init('', {})
  Assert empty(getmatches())


Execute (Range):
  call traces#init(';+++s/', {})
  AssertEqual '\%>0l\%<5l\_.', Group('Visual')
  call traces#init('', {})
  Assert empty(getmatches())


Execute (Range):
  call traces#init('/one/;/eight/', {})
  AssertEqual '\%>0l\%<9l\_.', Group('Visual')
  call traces#init('', {})
  Assert empty(getmatches())

Execute (Range):
  call traces#init('1;/eight/', {})
  AssertEqual '\%>0l\%<9l\_.', Group('Visual')

Execute (Range):
  call traces#init(';/eight/', {})
  AssertEqual '\%>0l\%<9l\_.', Group('Visual')

Execute (Range):
  call traces#init(',/eight/', {})
  AssertEqual '\%>0l\%<9l\_.', Group('Visual')

Execute (Range):
  call traces#init(';/eight/;', {})
  AssertEqual '\%>7l\%<9l\_.', Group('Visual')

Execute (Range):
  call traces#init('3;/seven/', {})
  AssertEqual '\%>2l\%<8l\_.', Group('Visual')

Execute (Range):
  call traces#init('7;/four/', {})
  AssertEqual '\%>6l\%<15l\_.', Group('Visual')

Execute (Range):
  call traces#init('7,/four/', {})
  AssertEqual '\%>3l\%<8l\_.', Group('Visual')

Execute (Range):
  call traces#init('7,/four/s/foobar', {})
  AssertEqual '\%>3l\%<8l\_.', Group('Visual')
  AssertEqual '\m\%>3l\%<8l\%(\mfoobar\m\)', Group('TracesSearch')

Execute (Global):
  call traces#init('7,/four/g/foobar', {})
  AssertEqual '\%>3l\%<8l\_.', Group('Visual')
  AssertEqual '\m\%>3l\%<8l\%(\mfoobar\m\)', Group('TracesSearch')

Execute (Global):
  call traces#init('g/foobar', {})
  AssertEqual '\mfoobar', Group('TracesSearch')

Execute (Range):
  call traces#init('7;/four/', {})
  AssertEqual '\%>6l\%<15l\_.', Group('Visual')

Execute (Substitute):
  call traces#init('3;5s/\w\+/foobar', {})
  AssertEqual '\%>2l\%<6l\_.', Group('Visual')

Execute (Substitute):
  call traces#init('3;5s/\w\+/\r', {})
  AssertEqual '\%>2l\%<9l\_.', Group('Visual')

Execute (Substitute):
  call traces#init('silent! 3;5s/\w\+/\r', {})
  AssertEqual '\%>2l\%<9l\_.', Group('Visual')

Execute (Substitute):
  call traces#init('cdo 3;5s/\w\+/\r', {})
  AssertEqual '\%>2l\%<9l\_.', Group('Visual')

Execute (Substitute):
  call traces#init(':3;5s/\w\+/\r', {})
  AssertEqual '\%>2l\%<9l\_.', Group('Visual')

Execute (Substitute):
  call traces#init(':::: 3;5s/\w\+/\r', {})
  AssertEqual '\%>2l\%<9l\_.', Group('Visual')

Execute (Substitute):
  call traces#init('silent! 0;$windo silent! 3;5s/\w\+/\r', {})
  AssertEqual '\%>2l\%<9l\_.', Group('Visual')

Execute (Substitute):
  let g:traces_skip_modifiers = 0
  call traces#init('silent! 0;$windo silent! 3;5s/\w\+/\r', {})
  AssertEqual 0, Group('Visual')

Execute (Substitute):
  call traces#init('3;5s/\w\+/foobar', {})
  AssertEqual '\%>2l\%<6l\_.', Group('Visual')
  call traces#init('3;5s', {})
  AssertEqual 0, Group('Visual')

Execute (Substitute):
  call traces#init('3;5s/\w\+/foobar', {})
  AssertEqual '\%>2l\%<6l\_.', Group('Visual')
  call traces#init('3;5sgibberish', {})
  AssertEqual 0, Group('Visual')

Given (Three paragraphs):
  paragraph1
  paragraph1
  paragraph1

  paragraph2
  paragraph2
  paragraph2

  paragraph3
  paragraph3
  paragraph3

Execute (Substitute):
  call traces#init(',''}s', {})
  call traces#init(',''}s/', {})
  AssertEqual '\%>0l\%<5l\_.', Group('Visual')

#######################
# Test normal         #
#######################
Given (Three lines):
  one
  two
  three

Execute (Normal):
  call traces#init('%normal! Iline ', {})

Expect:
  line one
  line two
  line three

Execute (Normal):
  call cursor(2, 3)
  call traces#init('normal! a foobar', {})

Expect:
  one
  two foobar
  three

Execute (Normal):
  execute "normal ggVG\<esc>"
  call traces#init('''<,''>normal! ve', {})
  call traces#cmdl_leave()
  call traces#init('''<,''>normal! veA word', {})

Expect:
  one word
  two word
  three word

Execute (Normal with an error):
  3d
  call traces#init('%normal! isomething:asdf
', {})
  call traces#cmdl_leave()
  u

Expect:
  one
  two
  three

Execute (Normal with an error):
  call traces#init('%normal! vfX', {})
  call traces#cmdl_leave()
  AssertEqual 'n', mode()

#######################
# Test substitute     #
#######################
Given (Zhongwen):
  一
  二
  三
  四
  五
  六
  七
  八
  九
  十

Execute (Substitute, expression with decimal number):
  call traces#init('?二?+;/九/-s/\v四|六|一|十/数字/g', {})

Expect:
  一
  二
  三
  数字
  五
  数字
  七
  八
  九
  十

Given (Three lines):
  1
  2
  3

Execute (Substitute, expression with decimal number):
  call traces#init('%s/\d/\=submatch(0) * 0.55', {})

Expect:
  0.55
  1.1
  1.65

Given (Three lines):
  foo
  foo
  foo

Execute (Substitute with a backlash at the end of string):
  call traces#init('%s/foo/\', {})

Expect:
  \
  \
  \

Execute (Substitute on first line):
  call traces#init('s/foo/bar', {})

Expect:
  bar
  foo
  foo

Execute (Substitute on first and second line):
  call traces#init('1;2s/foo/bar', {})

Expect:
  bar
  bar
  foo

Execute (Substitute on every line):
  call traces#init('%s/foo/bar', {})

Expect:
  bar
  bar
  bar

Execute (Substitute on every line and revert):
  call traces#init('%s/foo/bar', {})
  call traces#cmdl_leave()

Expect:
  foo
  foo
  foo

Execute (Turn off substitute preview and try to substitute):
  let g:traces_substitute_preview  = 0
  call traces#init('%s/foo/bar', {})

Expect:
  foo
  foo
  foo

Execute (Substitute and empty command line):
  call traces#init('%s/foo/bar', {})
  call traces#init('', {})

Expect:
  foo
  foo
  foo

Given (Three lines):
  foo.*

Execute (Snomagic):
  call traces#init('%snoma/.*/bar', {})

Expect:
  foobar

Execute (Smagic):
  call traces#init('%sma/.*/bar', {})

Expect:
  bar

#######################
# Test settings       #
#######################
Given (Three lines):
  one
  two
  three

Execute (Test winminwidth):
  let &winminwidth = 0
  let &winminheight = 0
  call traces#init('%s/.', {})

Execute (Test eol):
  let &listchars = ''
  call traces#init('1;/three/', {})
  AssertEqual '\%>0l\%<4l\(.\|^\)', Group('Visual')
  let &listchars = 'eol:.'

Execute (Test hlsearch):
  let &hlsearch = 1
  call traces#init('1;/three/s/one', {})
  AssertEqual &hlsearch, 0
  call traces#cmdl_leave()
  AssertEqual &hlsearch, 1

Execute (Test cursorcolumn):
  let &cursorcolumn = 1
  call traces#init('1;/three/s/one', {})
  AssertEqual &cursorcolumn, 0
  call traces#cmdl_leave()
  AssertEqual &cursorcolumn, 1

Execute (Test cursorline):
  let &cursorline = 1
  call traces#init('1;/three/s/one', {})
  AssertEqual &cursorline, 0
  call traces#cmdl_leave()
  AssertEqual &cursorline, 1

Execute (Test conceallevel):
  let &conceallevel = 1
  call traces#init('1;/three/s/one/four', {})
  AssertEqual &conceallevel, 2
  call traces#cmdl_leave()
  AssertEqual &conceallevel, 1

Execute (Test concealcursor):
  let &concealcursor = 'niv'
  call traces#init('1;/three/s/one/four', {})
  AssertEqual &concealcursor, 'c'
  call traces#cmdl_leave()
  AssertEqual &concealcursor, 'niv'

#######################
# Test undo history   #
#######################
Execute:
  new
  AssertEqual undotree().seq_last, 0
  call traces#init('s/^/foobar', {})
  AssertEqual getline('.'), 'foobar'
  call traces#cmdl_leave()
  AssertEqual undotree().seq_last, 1
  AssertEqual getline('.'), ''


  call traces#init('s/^/foobar', {})
  AssertEqual getline('.'), 'foobar'
  call traces#cmdl_leave()
  AssertEqual undotree().seq_last, 1
  AssertEqual getline('.'), ''
  bd

#######################
# Cleanup             #
#######################
Execute (Cleanup):
  Restore