Merge #7477 from FlorianGit/empty-lists-dicts-strings

This commit is contained in:
Justin M. Keyes 2017-12-05 03:33:01 +01:00 committed by GitHub
commit aec81f44d1
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2 changed files with 10 additions and 10 deletions

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@ -8457,11 +8457,13 @@ static void filter_map(typval_T *argvars, typval_T *rettv, int map)
int idx = 0;
if (argvars[0].v_type == VAR_LIST) {
tv_copy(&argvars[0], rettv);
if ((l = argvars[0].vval.v_list) == NULL
|| (!map && tv_check_lock(l->lv_lock, arg_errmsg, TV_TRANSLATE))) {
return;
}
} else if (argvars[0].v_type == VAR_DICT) {
tv_copy(&argvars[0], rettv);
if ((d = argvars[0].vval.v_dict) == NULL
|| (!map && tv_check_lock(d->dv_lock, arg_errmsg, TV_TRANSLATE))) {
return;
@ -8542,8 +8544,6 @@ static void filter_map(typval_T *argvars, typval_T *rettv, int map)
did_emsg |= save_did_emsg;
}
tv_copy(&argvars[0], rettv);
}
static int filter_map_one(typval_T *tv, typval_T *expr, int map, int *remp)

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@ -42,14 +42,6 @@ describe('NULL', function()
describe('list', function()
-- Incorrect behaviour
-- FIXME map() should not return 0 without error
null_expr_test('does not crash map()', 'map(L, "v:val")', 0, 0)
-- FIXME map() should not return 0 without error
null_expr_test('does not crash filter()', 'filter(L, "1")', 0, 0)
-- FIXME map() should at least return L
null_expr_test('makes map() return v:_null_list', 'map(L, "v:val") is# L', 0, 0)
-- FIXME filter() should at least return L
null_expr_test('makes filter() return v:_null_list', 'map(L, "1") is# L', 0, 0)
-- FIXME add() should not return 1 at all
null_expr_test('does not crash add()', 'add(L, 0)', 0, 1)
null_expr_test('does not crash extend()', 'extend(L, [1])', 'E742: Cannot change value of extend() argument', 0)
@ -111,6 +103,8 @@ describe('NULL', function()
null_expr_test('does not crash line()', 'line(L)', 0, 0)
null_expr_test('does not crash count()', 'count(L, 1)', 0, 0)
null_expr_test('does not crash cursor()', 'cursor(L)', 'E474: Invalid argument', -1)
null_expr_test('does not crash map()', 'map(L, "v:val")', 0, {})
null_expr_test('does not crash filter()', 'filter(L, "1")', 0, {})
null_expr_test('is empty', 'empty(L)', 0, 1)
null_expr_test('does not crash get()', 'get(L, 1, 10)', 0, 10)
null_expr_test('has zero length', 'len(L)', 0, 0)
@ -126,6 +120,8 @@ describe('NULL', function()
null_expr_test('is equal to itself', 'L == L', 0, 1)
null_expr_test('is not not equal to itself', 'L != L', 0, 0)
null_expr_test('counts correctly', 'count([L], L)', 0, 1)
null_expr_test('makes map() return v:_null_list', 'map(L, "v:val") is# L', 0, 1)
null_expr_test('makes filter() return v:_null_list', 'filter(L, "1") is# L', 0, 1)
end)
describe('dict', function()
it('does not crash when indexing NULL dict', function()
@ -134,5 +130,9 @@ describe('NULL', function()
end)
null_expr_test('makes extend error out', 'extend(D, {})', 'E742: Cannot change value of extend() argument', 0)
null_expr_test('makes extend do nothing', 'extend({1: 2}, D)', 0, {['1']=2})
null_expr_test('does not crash map()', 'map(D, "v:val")', 0, {})
null_expr_test('does not crash filter()', 'filter(D, "1")', 0, {})
null_expr_test('makes map() return v:_null_dict', 'map(D, "v:val") is# D', 0, 1)
null_expr_test('makes filter() return v:_null_dict', 'filter(D, "1") is# D', 0, 1)
end)
end)