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unittests: Test tv_list_concat()
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ZyX
parent
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commit
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@ -481,7 +481,7 @@ void tv_list_extend(list_T *const l1, list_T *const l2,
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int todo = l2->lv_len;
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// We also quit the loop when we have inserted the original item count of
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// the list, avoid a hang when we extend a list with itself.
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for (listitem_T *item = l2->lv_first
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for (listitem_T *item = l2->lv_first
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; item != NULL && --todo >= 0
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; item = item->li_next) {
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tv_list_insert_tv(l1, &item->li_tv, bef);
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@ -14,6 +14,7 @@ local alloc_log_new = helpers.alloc_log_new
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local a = eval_helpers.alloc_logging_helpers
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local list = eval_helpers.list
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local lst2tbl = eval_helpers.lst2tbl
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local typvalt = eval_helpers.typvalt
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local type_key = eval_helpers.type_key
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local li_alloc = eval_helpers.li_alloc
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local int_type = eval_helpers.int_type
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@ -747,5 +748,146 @@ describe('typval.c', function()
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eq(1, l_copy1.lv_refcount)
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end)
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end)
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describe('concat()', function()
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itp('works with NULL lists', function()
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local l = list(1, {})
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alloc_log:clear()
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eq(1, l.lv_refcount)
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eq(1, l.lv_last.li_tv.vval.v_dict.dv_refcount)
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local rettv1 = typvalt()
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eq(OK, lib.tv_list_concat(nil, l, rettv1))
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eq(1, l.lv_refcount)
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eq(tonumber(lib.VAR_LIST), tonumber(rettv1.v_type))
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eq({1, {}}, typvalt2lua(rettv1))
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eq(1, rettv1.vval.v_list.lv_refcount)
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alloc_log:check({
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a.list(rettv1.vval.v_list),
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a.li(rettv1.vval.v_list.lv_first),
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a.li(rettv1.vval.v_list.lv_last),
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})
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eq(2, l.lv_last.li_tv.vval.v_dict.dv_refcount)
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local rettv2 = typvalt()
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eq(OK, lib.tv_list_concat(l, nil, rettv2))
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eq(1, l.lv_refcount)
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eq(tonumber(lib.VAR_LIST), tonumber(rettv2.v_type))
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eq({1, {}}, typvalt2lua(rettv2))
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eq(1, rettv2.vval.v_list.lv_refcount)
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alloc_log:check({
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a.list(rettv2.vval.v_list),
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a.li(rettv2.vval.v_list.lv_first),
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a.li(rettv2.vval.v_list.lv_last),
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})
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eq(3, l.lv_last.li_tv.vval.v_dict.dv_refcount)
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local rettv3 = typvalt()
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eq(OK, lib.tv_list_concat(nil, nil, rettv3))
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eq(tonumber(lib.VAR_LIST), tonumber(rettv3.v_type))
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eq(null_list, typvalt2lua(rettv3))
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alloc_log:check({})
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end)
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itp('works with two different lists', function()
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local l1 = list(1, {})
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local l2 = list(3, {[type_key]=list_type})
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eq(1, l1.lv_refcount)
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eq(1, l1.lv_last.li_tv.vval.v_dict.dv_refcount)
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eq(1, l2.lv_refcount)
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eq(1, l2.lv_last.li_tv.vval.v_list.lv_refcount)
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alloc_log:clear()
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local rettv = typvalt()
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eq(OK, lib.tv_list_concat(l1, l2, rettv))
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eq(1, l1.lv_refcount)
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eq(2, l1.lv_last.li_tv.vval.v_dict.dv_refcount)
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eq(1, l2.lv_refcount)
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eq(2, l2.lv_last.li_tv.vval.v_list.lv_refcount)
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alloc_log:check({
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a.list(rettv.vval.v_list),
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a.li(rettv.vval.v_list.lv_first),
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a.li(rettv.vval.v_list.lv_first.li_next),
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a.li(rettv.vval.v_list.lv_last.li_prev),
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a.li(rettv.vval.v_list.lv_last),
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})
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eq({1, {}, 3, {[type_key]=list_type}}, typvalt2lua(rettv))
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end)
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itp('can concatenate list with itself', function()
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local l = list(1, {})
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eq(1, l.lv_refcount)
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eq(1, l.lv_last.li_tv.vval.v_dict.dv_refcount)
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alloc_log:clear()
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local rettv = typvalt()
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eq(OK, lib.tv_list_concat(l, l, rettv))
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eq(1, l.lv_refcount)
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eq(3, l.lv_last.li_tv.vval.v_dict.dv_refcount)
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alloc_log:check({
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a.list(rettv.vval.v_list),
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a.li(rettv.vval.v_list.lv_first),
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a.li(rettv.vval.v_list.lv_first.li_next),
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a.li(rettv.vval.v_list.lv_last.li_prev),
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a.li(rettv.vval.v_list.lv_last),
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})
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eq({1, {}, 1, {}}, typvalt2lua(rettv))
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end)
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itp('can concatenate empty non-NULL lists', function()
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local l = list(1, {})
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local le = list()
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local le2 = list()
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eq(1, l.lv_refcount)
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eq(1, l.lv_last.li_tv.vval.v_dict.dv_refcount)
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eq(1, le.lv_refcount)
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eq(1, le2.lv_refcount)
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alloc_log:clear()
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local rettv1 = typvalt()
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eq(OK, lib.tv_list_concat(l, le, rettv1))
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eq(1, l.lv_refcount)
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eq(2, l.lv_last.li_tv.vval.v_dict.dv_refcount)
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eq(1, le.lv_refcount)
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eq(1, le2.lv_refcount)
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alloc_log:check({
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a.list(rettv1.vval.v_list),
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a.li(rettv1.vval.v_list.lv_first),
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a.li(rettv1.vval.v_list.lv_last),
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})
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eq({1, {}}, typvalt2lua(rettv1))
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local rettv2 = typvalt()
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eq(OK, lib.tv_list_concat(le, l, rettv2))
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eq(1, l.lv_refcount)
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eq(3, l.lv_last.li_tv.vval.v_dict.dv_refcount)
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eq(1, le.lv_refcount)
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eq(1, le2.lv_refcount)
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alloc_log:check({
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a.list(rettv2.vval.v_list),
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a.li(rettv2.vval.v_list.lv_first),
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a.li(rettv2.vval.v_list.lv_last),
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})
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eq({1, {}}, typvalt2lua(rettv2))
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local rettv3 = typvalt()
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eq(OK, lib.tv_list_concat(le, le, rettv3))
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eq(1, l.lv_refcount)
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eq(3, l.lv_last.li_tv.vval.v_dict.dv_refcount)
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eq(1, le.lv_refcount)
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eq(1, le2.lv_refcount)
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alloc_log:check({
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a.list(rettv3.vval.v_list),
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})
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eq({[type_key]=list_type}, typvalt2lua(rettv3))
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local rettv4 = typvalt()
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eq(OK, lib.tv_list_concat(le, le2, rettv4))
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eq(1, l.lv_refcount)
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eq(3, l.lv_last.li_tv.vval.v_dict.dv_refcount)
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eq(1, le.lv_refcount)
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eq(1, le2.lv_refcount)
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alloc_log:check({
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a.list(rettv4.vval.v_list),
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})
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eq({[type_key]=list_type}, typvalt2lua(rettv4))
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end)
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end)
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end)
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end)
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