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unittests: Add tests for tv_list_find*() functions

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Additional modifications:

- More `const` qualifiers in tested functions.
- `tv_list_find_str()` second argument is more in-line with other
  `tv_list_find*()` functions.
This commit is contained in:
ZyX
2016-11-04 19:33:36 +03:00
parent b3672ae2fc
commit e5edf07ec4
5 changed files with 204 additions and 8 deletions
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6
test/unit/eval/helpers.lua
View File

@@ -405,7 +405,13 @@ local alloc_logging_helpers = {
freed = function(p) return {func='free', args={type(p) == 'table' and p or void(p)}} end,
}
local function int(n)
return {[type_key]=int_type, value=n}
end
return {
int=int,
null_string=null_string,
null_list=null_list,
null_dict=null_dict,

190
test/unit/eval/typval_spec.lua
View File

@@ -12,6 +12,7 @@ local to_cstr = helpers.to_cstr
local alloc_log_new = helpers.alloc_log_new
local a = eval_helpers.alloc_logging_helpers
local int = eval_helpers.int
local list = eval_helpers.list
local lst2tbl = eval_helpers.lst2tbl
local typvalt = eval_helpers.typvalt
@@ -1134,5 +1135,194 @@ describe('typval.c', function()
eq(false, lib.tv_list_equal(l1, l9, true, false))
end)
end)
describe('find', function()
describe('()', function()
itp('correctly indexes list', function()
local l = list(1, 2, 3, 4, 5)
local lis = list_items(l)
clear_alloc_log()
eq(nil, lib.tv_list_find(nil, -1))
eq(nil, lib.tv_list_find(nil, 0))
eq(nil, lib.tv_list_find(nil, 1))
eq(nil, lib.tv_list_find(l, 5))
eq(nil, lib.tv_list_find(l, -6))
eq(lis[1], lib.tv_list_find(l, -5))
eq(lis[5], lib.tv_list_find(l, 4))
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[3], lib.tv_list_find(l, -3))
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[3], lib.tv_list_find(l, -3))
l.lv_idx_item = nil
eq(lis[1], lib.tv_list_find(l, -5))
l.lv_idx_item = nil
eq(lis[5], lib.tv_list_find(l, 4))
l.lv_idx_item = nil
eq(lis[3], lib.tv_list_find(l, 2))
l.lv_idx_item = nil
eq(lis[3], lib.tv_list_find(l, -3))
l.lv_idx_item = nil
eq(lis[3], lib.tv_list_find(l, 2))
l.lv_idx_item = nil
eq(lis[3], lib.tv_list_find(l, 2))
l.lv_idx_item = nil
eq(lis[3], lib.tv_list_find(l, -3))
l.lv_idx_item = nil
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[1], lib.tv_list_find(l, -5))
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[5], lib.tv_list_find(l, 4))
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[3], lib.tv_list_find(l, -3))
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[3], lib.tv_list_find(l, 2))
eq(lis[3], lib.tv_list_find(l, -3))
check_alloc_log({})
end)
end)
local function check_emsg(f, msg)
local saved_last_msg_hist = lib.last_msg_hist
local ret = {f()}
if msg ~= nil then
neq(saved_last_msg_hist, lib.last_msg_hist)
eq(msg, ffi.string(lib.last_msg_hist.msg))
else
eq(saved_last_msg_hist, lib.last_msg_hist)
end
return unpack(ret)
end
describe('nr()', function()
local function tv_list_find_nr(l, n, msg)
return check_emsg(function()
local err = ffi.new('bool[1]', {false})
local ret = lib.tv_list_find_nr(l, n, err)
return (err[0] == true), ret
end, msg)
end
it('returns correct number', function()
local l = list(int(1), int(2), int(3), int(4), int(5))
clear_alloc_log()
eq({false, 1}, {tv_list_find_nr(l, -5)})
eq({false, 5}, {tv_list_find_nr(l, 4)})
eq({false, 3}, {tv_list_find_nr(l, 2)})
eq({false, 3}, {tv_list_find_nr(l, -3)})
check_alloc_log({})
end)
it('returns correct number when given a string', function()
local l = list('1', '2', '3', '4', '5')
clear_alloc_log()
eq({false, 1}, {tv_list_find_nr(l, -5)})
eq({false, 5}, {tv_list_find_nr(l, 4)})
eq({false, 3}, {tv_list_find_nr(l, 2)})
eq({false, 3}, {tv_list_find_nr(l, -3)})
check_alloc_log({})
end)
it('returns zero when given a NULL string', function()
local l = list(null_string)
clear_alloc_log()
eq({false, 0}, {tv_list_find_nr(l, 0)})
check_alloc_log({})
end)
it('errors out on NULL lists', function()
eq({true, -1}, {tv_list_find_nr(nil, -5)})
eq({true, -1}, {tv_list_find_nr(nil, 4)})
eq({true, -1}, {tv_list_find_nr(nil, 2)})
eq({true, -1}, {tv_list_find_nr(nil, -3)})
check_alloc_log({})
end)
it('errors out on out-of-range indexes', function()
local l = list(int(1), int(2), int(3), int(4), int(5))
clear_alloc_log()
eq({true, -1}, {tv_list_find_nr(l, -6)})
eq({true, -1}, {tv_list_find_nr(l, 5)})
check_alloc_log({})
end)
it('errors out on invalid types', function()
local l = list(1, empty_list, {})
eq({true, 0}, {tv_list_find_nr(l, 0, 'E805: Using a Float as a Number')})
eq({true, 0}, {tv_list_find_nr(l, 1, 'E745: Using a List as a Number')})
eq({true, 0}, {tv_list_find_nr(l, 2, 'E728: Using a Dictionary as a Number')})
eq({true, 0}, {tv_list_find_nr(l, -1, 'E728: Using a Dictionary as a Number')})
eq({true, 0}, {tv_list_find_nr(l, -2, 'E745: Using a List as a Number')})
eq({true, 0}, {tv_list_find_nr(l, -3, 'E805: Using a Float as a Number')})
end)
end)
local function tv_list_find_str(l, n, msg)
return check_emsg(function()
local ret = lib.tv_list_find_str(l, n)
local s = nil
if ret ~= nil then
s = ffi.string(ret)
end
return s
end, msg)
end
describe('str()', function()
it('returns correct string', function()
local l = list(int(1), int(2), int(3), int(4), int(5))
clear_alloc_log()
eq('1', tv_list_find_str(l, -5))
eq('5', tv_list_find_str(l, 4))
eq('3', tv_list_find_str(l, 2))
eq('3', tv_list_find_str(l, -3))
check_alloc_log({})
end)
it('returns string when used with VAR_STRING items', function()
local l = list('1', '2', '3', '4', '5')
clear_alloc_log()
eq('1', tv_list_find_str(l, -5))
eq('5', tv_list_find_str(l, 4))
eq('3', tv_list_find_str(l, 2))
eq('3', tv_list_find_str(l, -3))
check_alloc_log({})
end)
it('returns empty when used with NULL string', function()
local l = list(null_string)
clear_alloc_log()
eq('', tv_list_find_str(l, 0))
check_alloc_log({})
end)
it('fails with error message when index is out of range', function()
local l = list(int(1), int(2), int(3), int(4), int(5))
eq(nil, tv_list_find_str(l, -6, 'E684: list index out of range: -6'))
eq(nil, tv_list_find_str(l, 5, 'E684: list index out of range: 5'))
end)
it('fails with error message on invalid types', function()
local l = list(1, empty_list, {})
eq('', tv_list_find_str(l, 0, 'E806: using Float as a String'))
eq('', tv_list_find_str(l, 1, 'E730: using List as a String'))
eq('', tv_list_find_str(l, 2, 'E731: using Dictionary as a String'))
eq('', tv_list_find_str(l, -1, 'E731: using Dictionary as a String'))
eq('', tv_list_find_str(l, -2, 'E730: using List as a String'))
eq('', tv_list_find_str(l, -3, 'E806: using Float as a String'))
end)
end)
end)
end)
end)