test: add tests

Author: tomlau10

test/completion/common.lua

@@ -4572,3 +4572,44 @@ M.create():optional(<??>):self()
  kind = define.CompletionItemKind.EnumMember,
  },
 }
+
+TEST [[
+---@class Array<T>: { [integer]: T }
+---@field length integer
+local Array
+
+function Array:push() end
+
+---@type Array<string>
+local a
+print(a.<??>)
+]]
+{
+ include = true,
+ {
+ label = 'length',
+ kind = define.CompletionItemKind.Field,
+ },
+ {
+ label = 'push(self)',
+ kind = define.CompletionItemKind.Method,
+ },
+}
+
+TEST [[
+---@class Array<T>: { [integer]: T }
+---@field length integer
+local Array
+
+function Array:push() end
+
+---@type Array<string>
+local a
+print(a:<??>)
+]]
+{
+ {
+ label = 'push()',
+ kind = define.CompletionItemKind.Method,
+ },
+}

test/completion/init.lua

@@ -40,8 +40,18 @@ local function include(a, b)
  return false
  end
  if tp1 == 'table' then
- for k in pairs(a) do
- if not eq(a[k], b[k]) then
+ -- a / b are array of completion results
+ -- when checking `include`, the array index order is not important
+ -- thus need to check every results in b
+ for _, v1 in ipairs(a) do
+ local ok = false
+ for _, v2 in ipairs(b) do
+ if eq(v1, v2) then
+ ok = true
+ break
+ end
+ end
+ if not ok then
  return false
  end
  end