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local upb = require "upb"
local lunit = require "lunitx"
if _VERSION >= 'Lua 5.2' then
_ENV = lunit.module("testupb", "seeall")
else
module("testupb", lunit.testcase, package.seeall)
end
function test_fielddef()
local f = upb.FieldDef()
assert_false(f:is_frozen())
assert_nil(f:number())
assert_nil(f:name())
assert_nil(f:type())
assert_equal(upb.LABEL_OPTIONAL, f:label())
f:set_name("foo_field")
f:set_number(3)
f:set_label(upb.LABEL_REPEATED)
f:set_type(upb.TYPE_FLOAT)
assert_equal("foo_field", f:name())
assert_equal(3, f:number())
assert_equal(upb.LABEL_REPEATED, f:label())
assert_equal(upb.TYPE_FLOAT, f:type())
local f2 = upb.FieldDef{
name = "foo", number = 5, type = upb.TYPE_DOUBLE, label = upb.LABEL_REQUIRED
}
assert_equal("foo", f2:name())
assert_equal(5, f2:number())
assert_equal(upb.TYPE_DOUBLE, f2:type())
assert_equal(upb.LABEL_REQUIRED, f2:label())
end
function test_enumdef()
local e = upb.EnumDef()
assert_equal(0, #e)
assert_nil(e:value(5))
assert_nil(e:value("NONEXISTENT_NAME"))
for name, value in e:values() do
fail()
end
e:add("VAL1", 1)
e:add("VAL2", 2)
local values = {}
for name, value in e:values() do
values[name] = value
end
assert_equal(1, values["VAL1"])
assert_equal(2, values["VAL2"])
local e2 = upb.EnumDef{
values = {
{"FOO", 1},
{"BAR", 77},
}
}
assert_equal(1, e2:value("FOO"))
assert_equal(77, e2:value("BAR"))
assert_equal("FOO", e2:value(1))
assert_equal("BAR", e2:value(77))
end
function test_empty_msgdef()
local md = upb.MessageDef()
assert_nil(md:full_name()) -- Def without name is anonymous.
assert_false(md:is_frozen())
assert_equal(0, #md)
assert_nil(md:field("nonexistent_field"))
assert_nil(md:field(3))
for field in md:fields() do
fail()
end
upb.freeze(md)
assert_true(md:is_frozen())
assert_equal(0, #md)
assert_nil(md:field("nonexistent_field"))
assert_nil(md:field(3))
for field in md:fields() do
fail()
end
end
function test_msgdef_constructor()
local f1 = upb.FieldDef{name = "field1", number = 7, type = upb.TYPE_INT32}
local f2 = upb.FieldDef{name = "field2", number = 8, type = upb.TYPE_INT32}
local md = upb.MessageDef{
full_name = "TestMessage",
fields = {f1, f2}
}
assert_equal("TestMessage", md:full_name())
assert_false(md:is_frozen())
assert_equal(2, #md)
assert_equal(f1, md:field("field1"))
assert_equal(f2, md:field("field2"))
assert_equal(f1, md:field(7))
assert_equal(f2, md:field(8))
local count = 0
local found = {}
for field in md:fields() do
count = count + 1
found[field] = true
end
assert_equal(2, count)
assert_true(found[f1])
assert_true(found[f2])
upb.freeze(md)
end
function test_msgdef_setters()
local md = upb.MessageDef()
md:set_full_name("Message1")
assert_equal("Message1", md:full_name())
local f = upb.FieldDef{name = "field1", number = 3, type = upb.TYPE_DOUBLE}
md:add{f}
assert_equal(1, #md)
assert_equal(f, md:field("field1"))
end
function test_msgdef_errors()
assert_error(function() upb.MessageDef{bad_initializer_key = 5} end)
local md = upb.MessageDef()
assert_error(function()
-- Duplicate field number.
upb.MessageDef{
fields = {
upb.FieldDef{name = "field1", number = 1, type = upb.TYPE_INT32},
upb.FieldDef{name = "field2", number = 1, type = upb.TYPE_INT32}
}
}
end)
assert_error(function()
-- Duplicate field name.
upb.MessageDef{
fields = {
upb.FieldDef{name = "field1", number = 1, type = upb.TYPE_INT32},
upb.FieldDef{name = "field1", number = 2, type = upb.TYPE_INT32}
}
}
end)
-- attempt to set a name with embedded NULLs.
assert_error_match("names cannot have embedded NULLs", function()
md:set_full_name("abc\0def")
end)
upb.freeze(md)
-- Attempt to mutate frozen MessageDef.
-- TODO(haberman): better error message and test for message.
assert_error(function()
md:add{upb.FieldDef{name = "field1", number = 1, type = upb.TYPE_INT32}}
end)
assert_error(function()
md:set_full_name("abc")
end)
-- Attempt to freeze a msgdef without freezing its subdef.
assert_error_match("is not frozen or being frozen", function()
m1 = upb.MessageDef()
upb.freeze(
upb.MessageDef{
fields = {
upb.FieldDef{name = "f1", number = 1, type = upb.TYPE_MESSAGE,
subdef = m1}
}
}
)
end)
end
function test_symtab()
local empty = upb.SymbolTable()
assert_equal(0, #empty:getdefs(upb.DEF_ANY))
local symtab = upb.SymbolTable{
upb.MessageDef{full_name = "TestMessage"},
upb.MessageDef{full_name = "ContainingMessage", fields = {
upb.FieldDef{name = "field1", number = 1, type = upb.TYPE_INT32},
upb.FieldDef{name = "field2", number = 2, type = upb.TYPE_MESSAGE,
subdef_name = ".TestMessage"}
}
}
}
local msgdef1 = symtab:lookup("TestMessage")
local msgdef2 = symtab:lookup("ContainingMessage")
assert_not_nil(msgdef1)
assert_not_nil(msgdef2)
assert_equal(msgdef1, msgdef2:field("field2"):subdef())
assert_true(msgdef1:is_frozen())
assert_true(msgdef2:is_frozen())
symtab:add{
upb.MessageDef{full_name = "ContainingMessage2", fields = {
upb.FieldDef{name = "field5", number = 5, type = upb.TYPE_MESSAGE,
subdef = msgdef2}
}
}
}
local msgdef3 = symtab:lookup("ContainingMessage2")
assert_not_nil(msgdef3)
assert_equal(msgdef3:field("field5"):subdef(), msgdef2)
end
-- Lua 5.1 and 5.2 have slightly different semantics for how a finalizer
-- can be defined in Lua.
if _VERSION >= 'Lua 5.2' then
function defer(fn)
setmetatable({}, { __gc = fn })
end
else
function defer(fn)
getmetatable(newproxy(true)).__gc = fn
end
end
function test_finalizer()
-- Tests that we correctly handle a call into an already-finalized object.
-- Collectible objects are finalized in the opposite order of creation.
do
local t = {}
defer(function()
assert_error_match("called into dead def", function()
-- Generic def call.
t[1]:full_name()
end)
assert_error_match("called into dead msgdef", function()
-- Specific msgdef call.
t[1]:add()
end)
assert_error_match("called into dead enumdef", function()
t[2]:values()
end)
assert_error_match("called into dead fielddef", function()
t[3]:number()
end)
assert_error_match("called into dead symtab",
function() t[4]:lookup()
end)
end)
t = {
upb.MessageDef(),
upb.EnumDef(),
upb.FieldDef(),
upb.SymbolTable(),
}
end
collectgarbage()
end
lunit.main()
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