Mercurial > vim
view src/testdir/test_flatten.vim @ 21050:7a9daf73a724 v8.2.1076
patch 8.2.1076: Vim9: no line break allowed in :if expression
Commit: https://github.com/vim/vim/commit/faf8626b79e380fe81e7ae2439a535ed7619d27b
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Jun 27 23:07:36 2020 +0200
patch 8.2.1076: Vim9: no line break allowed in :if expression
Problem: Vim9: no line break allowed in :if expression.
Solution: Skip linebreak.
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Sat, 27 Jun 2020 23:15:03 +0200 |
parents | 821925509d8c |
children | 08940efa6b4e |
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" Test for flatting list. func Test_flatten() call assert_fails('call flatten(1)', 'E686:') call assert_fails('call flatten({})', 'E686:') call assert_fails('call flatten("string")', 'E686:') call assert_fails('call flatten([], [])', 'E745:') call assert_fails('call flatten([], -1)', 'E900: maxdepth') call assert_equal([], flatten([])) call assert_equal([], flatten([[]])) call assert_equal([], flatten([[[]]])) call assert_equal([1, 2, 3], flatten([1, 2, 3])) call assert_equal([1, 2, 3], flatten([[1], 2, 3])) call assert_equal([1, 2, 3], flatten([1, [2], 3])) call assert_equal([1, 2, 3], flatten([1, 2, [3]])) call assert_equal([1, 2, 3], flatten([[1], [2], 3])) call assert_equal([1, 2, 3], flatten([1, [2], [3]])) call assert_equal([1, 2, 3], flatten([[1], 2, [3]])) call assert_equal([1, 2, 3], flatten([[1], [2], [3]])) call assert_equal([1, 2, 3], flatten([[1, 2, 3], []])) call assert_equal([1, 2, 3], flatten([[], [1, 2, 3]])) call assert_equal([1, 2, 3], flatten([[1, 2], [], [3]])) call assert_equal([1, 2, 3], flatten([[], [1, 2, 3], []])) call assert_equal([1, 2, 3, 4], flatten(range(1, 4))) " example in the help call assert_equal([1, 2, 3, 4, 5], flatten([1, [2, [3, 4]], 5])) call assert_equal([1, 2, [3, 4], 5], flatten([1, [2, [3, 4]], 5], 1)) call assert_equal([0, [1], 2, [3], 4], flatten([[0, [1]], 2, [[3], 4]], 1)) call assert_equal([1, 2, 3], flatten([[[[1]]], [2], [3]], 3)) call assert_equal([[1], [2], [3]], flatten([[[1], [2], [3]]], 1)) call assert_equal([[1]], flatten([[1]], 0)) " Make it flatten if the given maxdepth is larger than actual depth. call assert_equal([1, 2, 3], flatten([[1, 2, 3]], 1)) call assert_equal([1, 2, 3], flatten([[1, 2, 3]], 2)) let l:list = [[1], [2], [3]] call assert_equal([1, 2, 3], flatten(l:list)) call assert_equal([1, 2, 3], l:list) " Tests for checking reference counter works well. let l:x = {'foo': 'bar'} call assert_equal([1, 2, l:x, 3], flatten([1, [2, l:x], 3])) call test_garbagecollect_now() call assert_equal('bar', l:x.foo) let l:list = [[1], [2], [3]] call assert_equal([1, 2, 3], flatten(l:list)) call test_garbagecollect_now() call assert_equal([1, 2, 3], l:list) " Tests for checking circular reference list can be flatten. let l:x = [1] let l:y = [x] let l:z = flatten(l:y) call assert_equal([1], l:z) call test_garbagecollect_now() let l:x[0] = 2 call assert_equal([2], l:x) call assert_equal([1], l:z) " NOTE: primitive types are copied. call assert_equal([1], l:y) let l:x = [2] let l:y = [1, [l:x], 3] " [1, [[2]], 3] let l:z = flatten(l:y, 1) call assert_equal([1, [2], 3], l:z) let l:x[0] = 9 call assert_equal([1, [9], 3], l:z) " Reference to l:x is kept. call assert_equal([1, [9], 3], l:y) let l:x = [1] let l:y = [2] call add(x, y) " l:x = [1, [2]] call add(y, x) " l:y = [2, [1, [...]]] call assert_equal([1, 2, 1, 2], flatten(l:x, 2)) call assert_equal([2, l:x], l:y) endfunc