Mercurial > vim
diff src/testdir/test_listdict.vim @ 29712:bdb31515f78b v9.0.0196
patch 9.0.0196: finding value in list may require a for loop
Commit: https://github.com/vim/vim/commit/b218655d5a485f5b193fb18d7240837d42b89812
Author: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Sat Aug 13 13:09:20 2022 +0100
patch 9.0.0196: finding value in list may require a for loop
Problem: Finding value in list may require a for loop.
Solution: Add indexof(). (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/10903)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 13 Aug 2022 14:15:05 +0200 |
| parents | 35e24d9de858 |
| children | cadc9851377d |
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--- a/src/testdir/test_listdict.vim +++ b/src/testdir/test_listdict.vim @@ -1446,4 +1446,49 @@ func Test_null_dict() unlockvar d endfunc +" Test for the indexof() function +func Test_indexof() + let l = [#{color: 'red'}, #{color: 'blue'}, #{color: 'green'}] + call assert_equal(0, indexof(l, {i, v -> v.color == 'red'})) + call assert_equal(2, indexof(l, {i, v -> v.color == 'green'})) + call assert_equal(-1, indexof(l, {i, v -> v.color == 'grey'})) + call assert_equal(1, indexof(l, "v:val.color == 'blue'")) + call assert_equal(-1, indexof(l, "v:val.color == 'cyan'")) + + let l = [#{n: 10}, #{n: 10}, #{n: 20}] + call assert_equal(0, indexof(l, "v:val.n == 10", #{startidx: 0})) + call assert_equal(1, indexof(l, "v:val.n == 10", #{startidx: -2})) + call assert_equal(-1, indexof(l, "v:val.n == 10", #{startidx: 4})) + call assert_equal(-1, indexof(l, "v:val.n == 10", #{startidx: -4})) + call assert_equal(0, indexof(l, "v:val.n == 10", test_null_dict())) + + call assert_equal(-1, indexof([], {i, v -> v == 'a'})) + call assert_equal(-1, indexof(test_null_list(), {i, v -> v == 'a'})) + call assert_equal(-1, indexof(l, test_null_string())) + call assert_equal(-1, indexof(l, test_null_function())) + + " failure cases + call assert_fails('let i = indexof(l, "v:val == ''cyan''")', 'E735:') + call assert_fails('let i = indexof(l, "color == ''cyan''")', 'E121:') + call assert_fails('let i = indexof(l, {})', 'E1256:') + call assert_fails('let i = indexof({}, "v:val == 2")', 'E1226:') + call assert_fails('let i = indexof([], "v:val == 2", [])', 'E1206:') + + func TestIdx(k, v) + return a:v.n == 20 + endfunc + call assert_equal(2, indexof(l, function("TestIdx"))) + delfunc TestIdx + func TestIdx(k, v) + return {} + endfunc + call assert_fails('let i = indexof(l, function("TestIdx"))', 'E728:') + delfunc TestIdx + func TestIdx(k, v) + throw "IdxError" + endfunc + call assert_fails('let i = indexof(l, function("TestIdx"))', 'E605:') + delfunc TestIdx +endfunc + " vim: shiftwidth=2 sts=2 expandtab