Mercurial > vim
view src/testdir/test_sort.vim @ 17394:969a28736055
Added tag v8.1.1695 for changeset 372f2eaa544ae8d191a6c9afc34b43d61d90bb16
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Mon, 15 Jul 2019 20:45:08 +0200 |
| parents | f581167d59bf |
| children | b8fd7364befd |
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" Tests for the "sort()" function and for the ":sort" command. func Compare1(a, b) abort call sort(range(3), 'Compare2') return a:a - a:b endfunc func Compare2(a, b) abort return a:a - a:b endfunc func Test_sort_strings() " numbers compared as strings call assert_equal([1, 2, 3], sort([3, 2, 1])) call assert_equal([13, 28, 3], sort([3, 28, 13])) endfunc func Test_sort_numeric() call assert_equal([1, 2, 3], sort([3, 2, 1], 'n')) call assert_equal([3, 13, 28], sort([13, 28, 3], 'n')) " strings are not sorted call assert_equal(['13', '28', '3'], sort(['13', '28', '3'], 'n')) endfunc func Test_sort_numbers() call assert_equal([3, 13, 28], sort([13, 28, 3], 'N')) call assert_equal(['3', '13', '28'], sort(['13', '28', '3'], 'N')) endfunc func Test_sort_float() call assert_equal([0.28, 3, 13.5], sort([13.5, 0.28, 3], 'f')) endfunc func Test_sort_nested() " test ability to call sort() from a compare function call assert_equal([1, 3, 5], sort([3, 1, 5], 'Compare1')) endfunc func Test_sort_default() " docs say omitted, empty or zero argument sorts on string representation. call assert_equal(['2', 'A', 'AA', 'a', 1, 3.3], sort([3.3, 1, "2", "A", "a", "AA"])) call assert_equal(['2', 'A', 'AA', 'a', 1, 3.3], sort([3.3, 1, "2", "A", "a", "AA"], '')) call assert_equal(['2', 'A', 'AA', 'a', 1, 3.3], sort([3.3, 1, "2", "A", "a", "AA"], 0)) call assert_equal(['2', 'A', 'a', 'AA', 1, 3.3], sort([3.3, 1, "2", "A", "a", "AA"], 1)) call assert_fails('call sort([3.3, 1, "2"], 3)', "E474") endfunc " Tests for the ":sort" command. func Test_sort_cmd() let tests = [ \ { \ 'name' : 'Alphabetical sort', \ 'cmd' : '%sort', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ], \ 'expected' : [ \ ' 123b', \ 'a', \ 'a122', \ 'a123', \ 'a321', \ 'ab', \ 'abc', \ 'b123', \ 'b321', \ 'b321', \ 'b321b', \ 'b322b', \ 'c123d', \ 'c321d' \ ] \ }, \ { \ 'name' : 'Numeric sort', \ 'cmd' : '%sort n', \ 'input' : [ \ 'abc', \ 'ab', \ 'a321', \ 'a123', \ 'a122', \ 'a', \ 'x-22', \ 'b321', \ 'b123', \ '', \ 'c123d', \ '-24', \ ' 123b', \ 'c321d', \ '0', \ 'b322b', \ 'b321', \ 'b321b' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '-24', \ 'x-22', \ '0', \ 'a122', \ 'a123', \ 'b123', \ 'c123d', \ ' 123b', \ 'a321', \ 'b321', \ 'c321d', \ 'b321', \ 'b321b', \ 'b322b' \ ] \ }, \ { \ 'name' : 'Hexadecimal sort', \ 'cmd' : '%sort x', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ], \ 'expected' : [ \ 'a', \ 'ab', \ 'abc', \ ' 123b', \ 'a122', \ 'a123', \ 'a321', \ 'b123', \ 'b321', \ 'b321', \ 'b321b', \ 'b322b', \ 'c123d', \ 'c321d' \ ] \ }, \ { \ 'name' : 'Alphabetical unique sort', \ 'cmd' : '%sort u', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ], \ 'expected' : [ \ ' 123b', \ 'a', \ 'a122', \ 'a123', \ 'a321', \ 'ab', \ 'abc', \ 'b123', \ 'b321', \ 'b321b', \ 'b322b', \ 'c123d', \ 'c321d' \ ] \ }, \ { \ 'name' : 'Alphabetical reverse sort', \ 'cmd' : '%sort!', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ], \ 'expected' : [ \ 'c321d', \ 'c123d', \ 'b322b', \ 'b321b', \ 'b321', \ 'b321', \ 'b123', \ 'abc', \ 'ab', \ 'a321', \ 'a123', \ 'a122', \ 'a', \ ' 123b', \ ] \ }, \ { \ 'name' : 'Numeric reverse sort', \ 'cmd' : '%sort! n', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ], \ 'expected' : [ \ 'b322b', \ 'b321b', \ 'b321', \ 'c321d', \ 'b321', \ 'a321', \ ' 123b', \ 'c123d', \ 'b123', \ 'a123', \ 'a122', \ 'a', \ 'ab', \ 'abc' \ ] \ }, \ { \ 'name' : 'Unique reverse sort', \ 'cmd' : 'sort! u', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ], \ 'expected' : [ \ 'c321d', \ 'c123d', \ 'b322b', \ 'b321b', \ 'b321', \ 'b123', \ 'abc', \ 'ab', \ 'a321', \ 'a123', \ 'a122', \ 'a', \ ' 123b', \ ] \ }, \ { \ 'name' : 'Octal sort', \ 'cmd' : 'sort o', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a122', \ 'a123', \ 'b123', \ 'c123d', \ ' 123b', \ 'a321', \ 'b321', \ 'c321d', \ 'b321', \ 'b321b', \ 'b322b' \ ] \ }, \ { \ 'name' : 'Reverse hexadecimal sort', \ 'cmd' : 'sort! x', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'c321d', \ 'c123d', \ 'b322b', \ 'b321b', \ 'b321', \ 'b321', \ 'b123', \ 'a321', \ 'a123', \ 'a122', \ ' 123b', \ 'abc', \ 'ab', \ 'a', \ '', \ '' \ ] \ }, \ { \ 'name' : 'Alpha (skip first character) sort', \ 'cmd' : 'sort/./', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'a', \ '', \ '', \ 'a122', \ 'a123', \ 'b123', \ ' 123b', \ 'c123d', \ 'a321', \ 'b321', \ 'b321', \ 'b321b', \ 'c321d', \ 'b322b', \ 'ab', \ 'abc' \ ] \ }, \ { \ 'name' : 'Alpha (skip first 2 characters) sort', \ 'cmd' : 'sort/../', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'ab', \ 'a', \ '', \ '', \ 'a321', \ 'b321', \ 'b321', \ 'b321b', \ 'c321d', \ 'a122', \ 'b322b', \ 'a123', \ 'b123', \ ' 123b', \ 'c123d', \ 'abc' \ ] \ }, \ { \ 'name' : 'alpha, unique, skip first 2 characters', \ 'cmd' : 'sort/../u', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'ab', \ 'a', \ '', \ 'a321', \ 'b321', \ 'b321b', \ 'c321d', \ 'a122', \ 'b322b', \ 'a123', \ 'b123', \ ' 123b', \ 'c123d', \ 'abc' \ ] \ }, \ { \ 'name' : 'numeric, skip first character', \ 'cmd' : 'sort/./n', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a122', \ 'a123', \ 'b123', \ 'c123d', \ ' 123b', \ 'a321', \ 'b321', \ 'c321d', \ 'b321', \ 'b321b', \ 'b322b' \ ] \ }, \ { \ 'name' : 'alpha, sort on first character', \ 'cmd' : 'sort/./r', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ '', \ '', \ ' 123b', \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'b322b', \ 'b321', \ 'b321b', \ 'c123d', \ 'c321d' \ ] \ }, \ { \ 'name' : 'alpha, sort on first 2 characters', \ 'cmd' : 'sort/../r', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'a', \ '', \ '', \ ' 123b', \ 'a123', \ 'a122', \ 'a321', \ 'abc', \ 'ab', \ 'b123', \ 'b321', \ 'b322b', \ 'b321', \ 'b321b', \ 'c123d', \ 'c321d' \ ] \ }, \ { \ 'name' : 'numeric, sort on first character', \ 'cmd' : 'sort/./rn', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ] \ }, \ { \ 'name' : 'alpha, skip past first digit', \ 'cmd' : 'sort/\d/', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a321', \ 'b321', \ 'b321', \ 'b321b', \ 'c321d', \ 'a122', \ 'b322b', \ 'a123', \ 'b123', \ ' 123b', \ 'c123d' \ ] \ }, \ { \ 'name' : 'alpha, sort on first digit', \ 'cmd' : 'sort/\d/r', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a123', \ 'a122', \ 'b123', \ 'c123d', \ ' 123b', \ 'a321', \ 'b321', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ] \ }, \ { \ 'name' : 'numeric, skip past first digit', \ 'cmd' : 'sort/\d/n', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a321', \ 'b321', \ 'c321d', \ 'b321', \ 'b321b', \ 'a122', \ 'b322b', \ 'a123', \ 'b123', \ 'c123d', \ ' 123b' \ ] \ }, \ { \ 'name' : 'numeric, sort on first digit', \ 'cmd' : 'sort/\d/rn', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a123', \ 'a122', \ 'b123', \ 'c123d', \ ' 123b', \ 'a321', \ 'b321', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ] \ }, \ { \ 'name' : 'alpha, skip past first 2 digits', \ 'cmd' : 'sort/\d\d/', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a321', \ 'b321', \ 'b321', \ 'b321b', \ 'c321d', \ 'a122', \ 'b322b', \ 'a123', \ 'b123', \ ' 123b', \ 'c123d' \ ] \ }, \ { \ 'name' : 'numeric, skip past first 2 digits', \ 'cmd' : 'sort/\d\d/n', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a321', \ 'b321', \ 'c321d', \ 'b321', \ 'b321b', \ 'a122', \ 'b322b', \ 'a123', \ 'b123', \ 'c123d', \ ' 123b' \ ] \ }, \ { \ 'name' : 'hexadecimal, skip past first 2 digits', \ 'cmd' : 'sort/\d\d/x', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a321', \ 'b321', \ 'b321', \ 'a122', \ 'a123', \ 'b123', \ 'b321b', \ 'c321d', \ 'b322b', \ ' 123b', \ 'c123d' \ ] \ }, \ { \ 'name' : 'alpha, sort on first 2 digits', \ 'cmd' : 'sort/\d\d/r', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a123', \ 'a122', \ 'b123', \ 'c123d', \ ' 123b', \ 'a321', \ 'b321', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ] \ }, \ { \ 'name' : 'numeric, sort on first 2 digits', \ 'cmd' : 'sort/\d\d/rn', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a123', \ 'a122', \ 'b123', \ 'c123d', \ ' 123b', \ 'a321', \ 'b321', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ] \ }, \ { \ 'name' : 'hexadecimal, sort on first 2 digits', \ 'cmd' : 'sort/\d\d/rx', \ 'input' : [ \ 'abc', \ 'ab', \ 'a', \ 'a321', \ 'a123', \ 'a122', \ 'b321', \ 'b123', \ 'c123d', \ ' 123b', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b', \ '', \ '' \ ], \ 'expected' : [ \ 'abc', \ 'ab', \ 'a', \ '', \ '', \ 'a123', \ 'a122', \ 'b123', \ 'c123d', \ ' 123b', \ 'a321', \ 'b321', \ 'c321d', \ 'b322b', \ 'b321', \ 'b321b' \ ] \ }, \ { \ 'name' : 'binary', \ 'cmd' : 'sort b', \ 'input' : [ \ '0b111000', \ '0b101100', \ '0b101001', \ '0b101001', \ '0b101000', \ '0b000000', \ '0b001000', \ '0b010000', \ '0b101000', \ '0b100000', \ '0b101010', \ '0b100010', \ '0b100100', \ '0b100010', \ '', \ '' \ ], \ 'expected' : [ \ '', \ '', \ '0b000000', \ '0b001000', \ '0b010000', \ '0b100000', \ '0b100010', \ '0b100010', \ '0b100100', \ '0b101000', \ '0b101000', \ '0b101001', \ '0b101001', \ '0b101010', \ '0b101100', \ '0b111000' \ ] \ }, \ { \ 'name' : 'binary with leading characters', \ 'cmd' : 'sort b', \ 'input' : [ \ '0b100010', \ '0b010000', \ ' 0b101001', \ 'b0b101100', \ '0b100010', \ ' 0b100100', \ 'a0b001000', \ '0b101000', \ '0b101000', \ 'a0b101001', \ 'ab0b100000', \ '0b101010', \ '0b000000', \ 'b0b111000', \ '', \ '' \ ], \ 'expected' : [ \ '', \ '', \ '0b000000', \ 'a0b001000', \ '0b010000', \ 'ab0b100000', \ '0b100010', \ '0b100010', \ ' 0b100100', \ '0b101000', \ '0b101000', \ ' 0b101001', \ 'a0b101001', \ '0b101010', \ 'b0b101100', \ 'b0b111000' \ ] \ }, \ { \ 'name' : 'float', \ 'cmd' : 'sort f', \ 'input' : [ \ '1.234', \ '0.88', \ '123.456', \ '1.15e-6', \ '-1.1e3', \ '-1.01e3', \ '', \ '' \ ], \ 'expected' : [ \ '', \ '', \ '-1.1e3', \ '-1.01e3', \ '1.15e-6', \ '0.88', \ '1.234', \ '123.456' \ ] \ }, \ { \ 'name' : 'alphabetical, sorted input', \ 'cmd' : 'sort', \ 'input' : [ \ 'a', \ 'b', \ 'c', \ ], \ 'expected' : [ \ 'a', \ 'b', \ 'c', \ ] \ }, \ { \ 'name' : 'alphabetical, sorted input, unique at end', \ 'cmd' : 'sort u', \ 'input' : [ \ 'aa', \ 'bb', \ 'cc', \ 'cc', \ ], \ 'expected' : [ \ 'aa', \ 'bb', \ 'cc', \ ] \ }, \ ] for t in tests enew! call append(0, t.input) $delete _ setlocal nomodified execute t.cmd call assert_equal(t.expected, getline(1, '$'), t.name) " Previously, the ":sort" command would set 'modified' even if the buffer " contents did not change. Here, we check that this problem is fixed. if t.input == t.expected call assert_false(&modified, t.name . ': &mod is not correct') else call assert_true(&modified, t.name . ': &mod is not correct') endif endfor call assert_fails('sort no', 'E474') enew! endfunc func Test_sort_large_num() new a -2147483648 -2147483647 -1 0 1 -2147483646 2147483646 2147483647 2147483647 -2147483648 abc . " Numerical sort. Non-numeric lines are ordered before numerical lines. " Ordering of non-numerical is stable. sort n call assert_equal(['', \ 'abc', \ '', \ '-2147483648', \ '-2147483648', \ '-2147483647', \ '-2147483646', \ '-1', \ '0', \ '1', \ '2147483646', \ '2147483647', \ '2147483647'], getline(1, '$')) bwipe! if has('num64') new a -9223372036854775808 -9223372036854775807 -1 0 1 -9223372036854775806 9223372036854775806 9223372036854775807 9223372036854775807 -9223372036854775808 abc . sort n call assert_equal(['', \ 'abc', \ '', \ '-9223372036854775808', \ '-9223372036854775808', \ '-9223372036854775807', \ '-9223372036854775806', \ '-1', \ '0', \ '1', \ '9223372036854775806', \ '9223372036854775807', \ '9223372036854775807'], getline(1, '$')) bwipe! endif endfunc func Test_sort_cmd_report() enew! call append(0, repeat([1], 3) + repeat([2], 3) + repeat([3], 3)) $delete _ setlocal nomodified let res = execute('%sort u') call assert_equal([1,2,3], map(getline(1, '$'), 'v:val+0')) call assert_match("6 fewer lines", res) enew! call append(0, repeat([1], 3) + repeat([2], 3) + repeat([3], 3)) $delete _ setlocal nomodified report=10 let res = execute('%sort u') call assert_equal([1,2,3], map(getline(1, '$'), 'v:val+0')) call assert_equal("", res) enew! call append(0, repeat([1], 3) + repeat([2], 3) + repeat([3], 3)) $delete _ setl report&vim setlocal nomodified let res = execute('1g/^/%sort u') call assert_equal([1,2,3], map(getline(1, '$'), 'v:val+0')) " the output comes from the :g command, not from the :sort call assert_match("6 fewer lines", res) enew! endfunc