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test.lua
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local lu = require "luaunit"
local pb = require "pb"
local pbio = require "pb.io"
local buffer = require "pb.buffer"
local slice = require "pb.slice"
local conv = require "pb.conv"
local protoc = require "protoc"
-- local assert_not = lu.assertEvalToFalse
local eq = lu.assertEquals
local table_eq = lu.assertItemsEquals
local fail = lu.assertErrorMsgContains
local is_true = lu.assertIsTrue
local types = 0
for _ in pb.types() do
types = types + 1
end
pbio.write("pb predefined types: ", tostring(types), "\n")
local function check_load(chunk, name)
local pbdata = protoc.new():compile(chunk, name)
local ret, offset = pb.load(pbdata)
if not ret then
error("load error at "..offset..
"\nproto: "..chunk..
"\ndata: "..buffer(pbdata):tohex())
end
end
local function check_msg(name, data, r)
local chunk2, _ = pb.encode(name, data)
local data2 = pb.decode(name, chunk2)
--print("msg: ", name, "<"..chunk2:gsub(".", function(s)
--return ("%02X "):format(s:byte())
--end)..">")
eq(data2, r or data)
end
local function withstate(f)
local old = pb.state(nil)
local ok, res = pcall(f, old)
pb.state(old)
assert(ok, res)
end
_G.test_io = {} do
function _G.test_io.setup()
pbio.dump("address.proto", [[
message Phone {
optional string name = 1;
optional int64 phonenumber = 2;
}
message Person {
optional string name = 1;
optional int32 age = 2;
optional string address = 3;
repeated Phone contacts = 4;
} ]])
end
function _G.test_io.teardown()
os.remove "address.proto"
os.remove "address.pb"
end
function _G.test_io.test()
local code = "assert(io.write(require 'pb.io'.read()))"
assert(pbio.dump("t.lua", code))
local fh = assert(io.popen(arg[-1].." t.lua < t.lua", "r"))
eq(fh:read "*a", code)
fh:close()
assert(os.remove "t.lua")
fail("-not-exists-", function() assert(pbio.read "-not-exists-") end)
local chunk = protoc.new():compile(pbio.read "address.proto",
"address.proto")
assert(pbio.dump("address.pb", chunk))
assert(pb.loadfile "address.pb")
assert(pb.type "Person")
eq(pb.type "-not-exists-", nil)
local ft = {}
for name in pb.fields "Person" do
ft[name] = true
end
table_eq(ft, { name=true, age=true,address=true,contacts=true })
eq(pb.decode("Person", "\240\255\255\255\255\255\255\255\255\1\1"), {})
eq(pb.decode("Person", "\240\255\255\255\255\255\255\255\255\255"), {})
eq(pb.decode("Person", "\240\255\255\255\255"), {})
eq(pb.decode("Person", "\242\255\255\255\255\1\255"), {})
eq(pb.decode("Person", "\x71"), {})
eq(pb.decode("Person", "\x33\1\2\3\4\x34"), {})
eq(pb.decode("Person", "\x33\1\2\3\4\x44"), {})
eq(pb.decode("Person", "\x33\1\2\3\4"), {})
eq(pb.decode("Person", "\x75"), {})
eq(pb.decode("Person", "\x75\1\1\1\1"), {})
fail("type 'Foo' does not exists", function() pb.encode("Foo", {}) end)
fail("type 'Foo' does not exists", function() pb.decode("Foo", "") end)
fail("string expected for field 'name', got boolean",
function() pb.encode("Person", { name = true }) end)
fail("type mismatch for field 'name' at offset 2, bytes expected for type string, got varint",
function() pb.decode("Person", "\8\1") end)
fail("invalid varint value at offset 2",
function() pb.decode("Person", "\16\255") end)
fail("invalid bytes length: 0 (at offset 2)",
function() pb.decode("Person", "\10\255") end)
fail("unfinished bytes (len 10 at offset 3)",
function() pb.decode("Person", "\10\10") end)
local data = {
name = "ilse",
age = 18,
contacts = {
{ name = "alice", phonenumber = 12312341234 },
{ name = "bob", phonenumber = 45645674567 }
}
}
check_msg(".Person", data)
pb.clear()
protoc.reload()
fail("-not-exists-", function() assert(pb.loadfile "-not-exists-") end)
assert(pb.type ".google.protobuf.FileDescriptorSet")
end
end
_G.test_depend = {} do
function _G.test_depend.setup()
pbio.dump("depend1.proto", [[
syntax = "proto2";
message Depend1Msg {
optional int32 id = 1;
optional string name = 2;
} ]])
end
function _G.test_depend.teardown()
os.remove "depend1.proto"
end
function _G.test_depend.test()
local function load_depend(p)
p:load [[
syntax = "proto2";
import "depend1.proto";
message Depend2Msg {
optional Depend1Msg dep1 = 1;
optional int32 other = 2;
} ]]
end
load_depend(protoc.new())
local t = { dep1 = { id = 1, name = "foo" }, other = 2 }
check_msg("Depend2Msg", t, { dep1 = {}, other = 2 })
eq(protoc.new():loadfile "depend1.proto", true)
local chunk = pb.encode("Depend2Msg", t)
check_msg("Depend2Msg", t)
pb.clear "Depend1Msg"
check_msg("Depend2Msg", t, { other = 2 })
table_eq(pb.decode("Depend2Msg", chunk), { other = 2 })
eq(protoc.new():loadfile "depend1.proto", true)
check_msg("Depend2Msg", t)
pb.clear "Depend1Msg"
pb.clear "Depend2Msg"
local p = protoc.new()
p.include_imports = true
load_depend(p)
check_msg("Depend2Msg", t)
assert(pb.type ".google.protobuf.FileDescriptorSet")
end
end
function _G.test_extend()
local P = protoc.new()
P.unknown_import = true
P.unknown_type = true
assert(P:load([[
syntax = "proto2";
import "descriptor.proto";
extend google.protobuf.EnumValueOptions {
optional string name = 51000;
}
message Extendable {
extend NestExtend {
optional string ext_name = 100;
}
optional int32 id = 1;
extensions 100 to max;
} ]], "extend1.proto"))
eq(pb.type "Extendable", ".Extendable")
P.unknown_import = nil
P.unknown_type = nil
local chunk = assert(P:compile [[
syntax = "proto2";
import "extend1.proto"
enum MyEnum {
First = 1 [(name) = "first"];
Second = 2 [(name) = "second"];
Third = 3 [(name) = "third"];
}
message NestExtend {
optional uint32 id = 1;
extensions 100 to max;
}
extend Extendable {
optional string ext_name = 100;
} ]])
assert(pb.load(chunk))
assert(pb.type "MyEnum")
local t = { ext_name = "foo", id = 10 }
check_msg("Extendable", t)
local t2 = { ext_name = "foo", id = 10 }
check_msg("NestExtend", t2)
local data = pb.decode("google.protobuf.FileDescriptorSet", chunk)
eq(data.file[1].enum_type[1].value[1].options.name, "first")
eq(data.file[1].enum_type[1].value[2].options.name, "second")
eq(data.file[1].enum_type[1].value[3].options.name, "third")
assert(pb.type ".google.protobuf.FileDescriptorSet")
end
function _G.test_type()
pb.clear "not-exists"
check_load [[
message TestTypes {
optional double dv = 1;
optional float fv = 2;
optional int64 i64v = 3;
optional uint64 u64v = 4;
optional int32 i32v = 5;
optional uint32 u32v = 13;
optional fixed64 f64v = 6;
optional fixed32 f32v = 7;
optional bool bv = 8;
optional string sv = 9;
optional bytes btv = 12;
optional sfixed32 sf32v = 15;
optional sfixed64 sf64v = 16;
optional sint32 s32v = 17;
optional sint64 s64v = 18;
} ]]
local data = {
dv = 0.125;
fv = 0.5;
i64v = -12345678901234567;
u64v = 12345678901234567;
i32v = -2101112222;
u32v = 2101112222;
f64v = 12345678901234567;
f32v = 1231231234;
bv = true;
sv = "foo";
btv = "bar";
sf32v = -123;
sf64v = -456;
s32v = -1234;
s64v = -4321;
}
check_msg(".TestTypes", data)
pb.clear "TestTypes"
check_load [[
message test_type {
optional uint32 r = 1;
repeated uint64 r64 = 2;
}
message test2 {
optional test_type test_type = 1;
} ]]
pb.option "int64_as_string"
local data = {
r64 = {
1231234123,
"#45645674567",
"#18446744073709551615"
}
}
check_msg(".test_type", data)
pb.option "int64_as_number"
check_msg("test_type", {r = 1})
pb.clear "test_type"
pb.clear "test2"
assert(pb.type ".google.protobuf.FileDescriptorSet")
end
function _G.test_default()
withstate(function()
protoc.reload()
check_load [[
enum TestDefaultColor {
RED = 0;
GREEN = 1;
BLUE = 2;
}
message TestDefault {
// some fields here
optional int32 foo = 1;
optional uint32 defaulted_uint = 18 [ default = 666 ];
optional int32 defaulted_int = 10 [ default = 777 ];
optional bool defaulted_bool = 11 [ default = true ];
optional string defaulted_str = 12 [ default = "foo" ];
optional float defaulted_num = 13 [ default = 0.125 ];
optional TestDefaultColor color = 14 [default = RED];
optional bool bool1 = 15 [default=false];
optional bool bool2 = 16 [default=foo];
repeated int32 array = 17;
} ]]
check_msg("TestDefault", { foo = 1 })
local function copy_no_meta(t)
local r = {}
for k, v in pairs(t) do
if k ~= "__index" then
r[k] = v
end
end
return r
end
pb.option "enum_as_value"
table_eq(copy_no_meta(pb.defaults "TestDefault"), {
defaulted_uint = 666,
defaulted_int = 777,
defaulted_bool = true,
defaulted_str = "foo",
defaulted_num = 0.125,
color = 0,
bool1 = false,
bool2 = nil
})
pb.option "enum_as_name"
pb.defaults("TestDefault", nil)
table_eq(copy_no_meta(pb.defaults "TestDefault"), {
defaulted_uint = 666,
defaulted_int = 777,
defaulted_bool = true,
defaulted_str = "foo",
defaulted_num = 0.125,
color = "RED",
bool1 = false,
bool2 = nil
})
pb.clear "TestDefault"
pb.clear "TestDefaultColor"
fail("type not found",
function() pb.defaults "-invalid-type-" end)
check_load [[
syntax = "proto3";
enum TestDefaultColor {
RED = 0;
GREEN = 1;
BLUE = 2;
}
message TestNest{}
message TestNest1 {
TestNest nest = 1;
}
message TestNest2 {
TestNest1 nest = 1;
}
message TestNest3 {
TestNest2 nest = 1;
}
message TestDefault {
// some fields here
int32 foo = 1;
int32 defaulted_int = 10;
bool defaulted_bool = 11;
string defaulted_str = 12;
float defaulted_num = 13;
TestDefaultColor color = 14;
bool bool1 = 15;
bool bool2 = 16;
TestNest nest = 17;
repeated int32 array = 18;
} ]]
pb.option "decode_default_message"
local dt = pb.decode("TestNest3", "")
table_eq(dt, {nest={nest={nest={}}}})
pb.option "no_decode_default_message"
local _, _, _, _, rep = pb.field("TestDefault", "foo")
eq(rep, "optional")
table_eq(copy_no_meta(pb.defaults "TestDefault"), {
defaulted_int = 0,
defaulted_bool = false,
defaulted_str = "",
defaulted_num = 0.0,
color = "RED",
bool1 = false,
bool2 = false,
})
pb.option "enum_as_value"
pb.defaults("TestDefault", nil)
table_eq(copy_no_meta(pb.defaults "TestDefault"), {
defaulted_int = 0,
defaulted_bool = false,
defaulted_str = "",
defaulted_num = 0.0,
color = 0,
bool1 = false,
bool2 = false,
})
pb.option "use_default_metatable"
local dt = pb.decode("TestDefault", "")
eq(getmetatable(dt), pb.defaults "TestDefault")
eq(dt.defaulted_int, 0)
eq(dt.defaulted_bool, false)
eq(dt.defaulted_str, "")
eq(dt.defaulted_num, 0.0)
eq(dt.color, 0)
eq(dt.bool1, false)
eq(dt.bool2, false)
table_eq(dt.array, {})
table_eq(pb.decode "TestDefault", pb.decode("TestDefault", ""))
pb.option "use_default_values"
dt = pb.decode("TestDefault", "")
eq(getmetatable(dt), nil)
table_eq(dt, {
defaulted_int = 0,
defaulted_bool = false,
defaulted_str = "",
defaulted_num = 0.0,
color = 0,
bool1 = false,
bool2 = false,
array = {}
})
eq(dt.defaulted_int, 0)
eq(dt.defaulted_bool, false)
eq(dt.defaulted_str, "")
eq(dt.defaulted_num, 0.0)
eq(dt.color, 0)
eq(dt.bool1, false)
eq(dt.bool2, false)
table_eq(dt.array, {})
pb.option "no_default_values"
pb.option "encode_default_values"
pb.option "decode_default_array"
local dt = pb.decode("TestDefault", "")
eq(getmetatable(dt), nil)
table_eq(dt,{ array = {} })
local chunk2, _ = pb.encode("TestDefault", {defaulted_int = 0,defaulted_bool = true})
local dt = pb.decode("TestDefault", chunk2)
eq(dt.defaulted_int, 0)
eq(dt.defaulted_bool, true)
eq(dt.defaulted_str, nil)
eq(dt.defaulted_num, nil)
eq(dt.color, nil)
eq(dt.bool1, nil)
eq(dt.bool2, nil)
table_eq(dt.array, {})
pb.option "no_encode_default_values"
pb.option "no_decode_default_array"
pb.option "no_default_values"
pb.option "enum_as_name"
pb.clear "TestDefault"
pb.clear "TestNest"
pb.option "auto_default_values"
end)
end
function _G.test_enum()
check_load [[
enum Color {
Red = 0;
Green = 1;
Blue = 2;
}
message TestEnum {
optional Color color = 1;
} ]]
eq(pb.enum("Color", 0), "Red")
eq(pb.enum("Color", "Red"), 0)
eq(pb.enum("Color", 1), "Green")
eq(pb.enum("Color", "Green"), 1)
local t = {}
for name, number in pb.fields "Color" do
t[name] = number
end
table_eq(t, {Red=0, Green=1, Blue=2})
eq({pb.field("TestEnum", "color")}, {"color", 1, ".Color", nil, "optional"})
local data = { color = "Red" }
check_msg("TestEnum", data)
local data2 = { color = 123 }
check_msg("TestEnum", data2)
pb.option "enum_as_value"
check_msg("TestEnum", data, { color = 0 })
pb.option "int64_as_string"
check_msg("TestEnum", { color = "#18446744073709551615" })
pb.option "int64_as_number"
pb.option "enum_as_name"
check_msg("TestEnum", data, { color = "Red" })
fail("invalid varint value at offset 2",
function() pb.decode("TestEnum", "\8\255") end)
fail("number/string expected at field 'color', got boolean",
function() pb.encode("TestEnum", { color = true }) end)
fail("can not encode unknown enum 'foo' at field 'color'",
function() pb.encode("TestEnum", { color = "foo" }) end)
check_load [[
message TestAlias {
enum AliasedEnum {
option allow_alias = true;
ZERO = 0;
ONE = 1;
TWO = 2;
FIRST = 1;
}
repeated AliasedEnum aliased_enumf = 2;
} ]]
check_msg("TestAlias",
{ aliased_enumf = { "ZERO", "FIRST", "TWO", 23, "ONE" } },
{ aliased_enumf = { "ZERO", "FIRST", "TWO", 23, "FIRST" } })
assert(pb.type ".google.protobuf.FileDescriptorSet")
end
function _G.test_packed()
check_load [[
message Empty {}
message TestPacked {
repeated int64 packs = 1 [packed=true];
} ]]
local data = {
packs = { 1,2,3,4,-1,-2,3 }
}
check_msg(".TestPacked", data)
fail("table expected at field 'packs', got boolean",
function() pb.encode("TestPacked", { packs = true }) end)
local data = {packs = {}}
check_msg(".TestPacked", data, {})
local hasEmpty
for _, name in pb.types() do
if name == "Empty" then
hasEmpty = true
break
end
end
assert(hasEmpty)
pb.clear "TestPacked"
pb.clear "Empty"
eq(pb.type("TestPacked"), nil)
for _, name in pb.types() do
assert(name ~= "TestPacked", name)
assert(name ~= "Empty", name)
end
eq(pb.types()(nil, "not-exists"), nil)
check_load [[
syntax="proto3";
message MyMessage
{
repeated int32 intList = 1;
repeated int32 nopacks = 2 [packed=false];
} ]]
local b = pb.encode("MyMessage", { intList = { 1,2,3 } })
eq(pb.tohex(b), "0A 03 01 02 03")
local b = pb.encode("MyMessage", { nopacks = { 1,2,3 } })
eq(pb.tohex(b), "10 01 10 02 10 03")
check_load [[
syntax="proto3";
message MessageA
{
int32 intValue = 1;
}
message MessageB
{
repeated MessageA messageValue = 1;
} ]]
pb.option "use_default_values"
check_msg("MessageB", { messageValue = { { intValue = 0 } } })
pb.option "no_default_values"
check_msg("MessageB", { messageValue = { {} } })
check_msg("MessageB", { messageValue = { { intValue = 1 } } })
eq(pb.tohex(pb.encode(
"MessageB", { messageValue = { {} } })), "0A 00")
eq(pb.tohex(pb.encode(
"MessageB", { messageValue = { { intValue = 1 } } })), "0A 02 08 01")
pb.clear "MessageA"
pb.clear "MessageB"
check_load [[
syntax="proto3";
message Message3
{
repeated int32 v1 = 1;
} ]]
check_load [[
message Message2
{
repeated int32 v1 = 1;
} ]]
local t = { v1 = {1,2,3,4,5} }
local bytes = pb.encode("Message2", t)
eq(pb.decode("Message3", bytes), t)
bytes = pb.encode("Message3", t)
eq(pb.decode("Message2", bytes), t)
pb.clear "Message2"
pb.clear "Message3"
pb.option "auto_default_values"
assert(pb.type ".google.protobuf.FileDescriptorSet")
end
function _G.test_map()
check_load [[
syntax = "proto3";
message TestEmpty {}
message TestNum {
int32 f = 1;
}
message TestMap {
map<string, int32> map = 1;
map<string, int32> packed_map = 2 [packed=true];
map<string, TestEmpty> msg_map = 3;
} ]]
check_msg("TestMap", { map = {}, packed_map = {}, msg_map = {} })
check_msg(".TestMap", {
map = { one = 1, two = 2, three = 3 };
packed_map = { one = 1, two = 2, three = 3 }
}, {
map = { one = 1, two = 2, three = 3 };
packed_map = { one = 1, two = 2, three = 3 };
msg_map = {}
})
local data2 = { map = { one = 1, [1]=1 } }
fail("string expected for field 'key', got number", function()
local chunk = pb.encode("TestMap", data2)
table_eq(pb.decode("TestMap", chunk), {
map = {one = 1},
packed_map = {},
msg_map = {},
})
end)
fail("type mismatch for repeated field 'map' at offset 2,"..
" bytes expected for type message, got varint", function()
local chunk = pb.encode("TestNum", {f = 123})
pb.decode("TestMap", chunk)
end)
eq(pb.decode("TestMap", "\10\4\3\10\1\1"), {
map = {["\1"] = 0},
packed_map = {},
msg_map = {},
})
eq(pb.decode("TestMap", "\10\0"), {
map = { [""] = 0 },
packed_map = {},
msg_map = {}
})
eq(pb.decode("TestMap", "\26\0"), {
map = {},
packed_map = {},
msg_map = {[""] = {}}
})
check_load [[
syntax = "proto2";
message TestMap2 {
map<string, int32> map = 1;
repeated uint32 arr = 2;
} ]]
check_msg("TestMap2", { map = { one = 1, two = 2, three = 3 } })
local map_meta = assert(pb.defaults "*map")
local arr_meta = assert(pb.defaults "*arr")
pb.option "decode_default_array"
local data = pb.decode("TestMap2", "")
eq(getmetatable(data.map), map_meta)
eq(getmetatable(data.arr), arr_meta)
pb.defaults("*map", nil)
pb.defaults("*arr", nil)
data = pb.decode("TestMap2", "")
eq(getmetatable(data.map), nil)
eq(getmetatable(data.arr), nil)
pb.option "no_decode_default_array"
eq(pb.defaults("*map", map_meta), nil)
eq(pb.defaults("*arr", arr_meta), nil)
data = pb.decode("TestMap2", "\10\0\18\0")
eq(getmetatable(data.map), map_meta)
eq(getmetatable(data.arr), arr_meta)
local own_arr_meta, own_map_meta = {}, {}
local t = {
arr=setmetatable({},own_arr_meta),
map=setmetatable({},own_map_meta)
}
data = pb.decode("TestMap2", "\10\0\18\0", t)
eq(getmetatable(data.map), own_map_meta)
eq(getmetatable(data.arr), own_arr_meta)
pb.defaults("*map", nil)
pb.defaults("*arr", nil)
data = pb.decode("TestMap2", "\10\0")
eq(getmetatable(data.map), nil)
eq(getmetatable(data.arr), nil)
end
function _G.test_oneof()
check_load [[
syntax = "proto3";
message TO_M1 {
}
message TO_M2 {
}
message TO_M3 {
int32 value = 1;
}
message TestOneof {
oneof body_oneof {
TO_M1 m1 = 100;
TO_M2 m2 = 200;
TO_M3 m3 = 300;
}
} ]]
check_msg("TestOneof", {})
check_msg("TestOneof", { m1 = {}, body_oneof = "m1" })
check_msg("TestOneof", { m2 = {}, body_oneof = "m2" })
check_msg("TestOneof", { m3 = { value = 0 }, body_oneof = "m3" })
check_msg("TestOneof", { m3 = { value = 10 }, body_oneof = "m3" })
pb.clear "TestOneof"
check_load [[
syntax = "proto3";
message TestOneof {
oneof body {
uint32 foo = 1;
string bar = 2;
}
}
message Outter {
TestOneof msg = 1;
}
]]
check_msg("TestOneof", { foo = 0, body = "foo" })
check_msg("TestOneof", { bar = "", body = "bar" })
local chunk = pb.encode("TestOneof", { foo = 0, bar = "" })
local data = pb.decode("TestOneof", chunk)
is_true(data.body == "foo" or data.body == "bar")
check_msg("Outter", { msg = { foo = 0, body = "foo" }})
check_msg("Outter", { msg = { bar = "", body = "bar" }})
local chunk = pb.encode("Outter", {msg = { foo = 0, bar = "" }})
local data = pb.decode("Outter", chunk)
is_true(data.msg.body == "foo" or data.msg.body == "bar")
pb.clear "TestOneof"
pb.clear "Outter"
check_load [[
syntax = "proto3";
message TestOneof {
oneof test_oneof {
string name = 4;
int32 value = 5;
}
} ]]
check_msg("TestOneof", { name = "foo", test_oneof = "name" })
check_msg("TestOneof", { value = 0, test_oneof = "value" })
local chunk = pb.encode("TestOneof", { name = "foo", value = 0 })
local data = pb.decode("TestOneof", chunk)
is_true(data.test_oneof == "name" or data.test_oneof == "value")
eq(pb.field("TestOneof", "name"), "name")
pb.clear("TestOneof", "name")
eq(pb.field("TestOneof", "name"), nil)
eq(pb.type "TestOneof", ".TestOneof")
pb.clear "TestOneof"
eq(pb.type "TestOneof", nil)
pb.option "auto_default_values"
assert(pb.type ".google.protobuf.FileDescriptorSet")
end
function _G.test_conv()
eq(conv.encode_uint32(-1), 0xFFFFFFFF)
eq(conv.decode_uint32(0xFFFFFFFF), 0xFFFFFFFF)
eq(conv.decode_uint32(conv.encode_uint32(-1)), 0xFFFFFFFF)
pb.option "int64_as_string"
eq(conv.encode_int32(-1), "#18446744073709551615")
pb.option "int64_as_number"
eq(conv.encode_int32(0x12300000123), 0x123)
eq(conv.encode_int32(0xFFFFFFFF), -1)
eq(conv.encode_int32(0x123FFFFFFFF), -1)
eq(conv.encode_int32(0x123FFFFFFFE), -2)
eq(conv.decode_int32(0x12300000123), 0x123)
eq(conv.decode_int32(0xFFFFFFFF), -1)
eq(conv.decode_int32(0x123FFFFFFFF), -1)
eq(conv.decode_int32(0x123FFFFFFFE), -2)
eq(conv.decode_int32(conv.encode_int32(-1)), -1)
eq(conv.encode_sint32(0), 0)
eq(conv.encode_sint32(-1), 1)
eq(conv.encode_sint32(1), 2)
eq(conv.encode_sint32(-2), 3)
eq(conv.encode_sint32(2), 4)
eq(conv.encode_sint32(-3), 5)
eq(conv.encode_sint32(-123), 245)
eq(conv.encode_sint32(123), 246)
eq(conv.encode_sint64(-123), 245)
eq(conv.encode_sint64(123), 246)
eq(conv.decode_sint32(0), 0)
eq(conv.decode_sint32(1), -1)
eq(conv.decode_sint32(2), 1)
eq(conv.decode_sint32(3), -2)
eq(conv.decode_sint32(4), 2)
eq(conv.decode_sint32(5), -3)
eq(conv.decode_sint32(245), -123)
eq(conv.decode_sint32(246), 123)
eq(conv.decode_sint32(0xFFFFFFFF), -0x80000000)
eq(conv.decode_sint32(0xFFFFFFFE), 0x7FFFFFFF)
eq(conv.decode_sint64(0xFFFFFFFF), -0x80000000)
eq(conv.decode_sint64(0xFFFFFFFE), 0x7FFFFFFF)
eq(conv.decode_float(conv.encode_float(123.125)), 123.125)
eq(conv.decode_double(conv.encode_double(123.125)), 123.125)
pb.option "int64_as_string"
eq(conv.decode_sint64(conv.encode_sint64("#1311768467294899695")), "#1311768467294899695")
pb.option "int64_as_hexstring"
eq(conv.decode_sint64(conv.encode_sint64("#0x1234567890ABCDEF")), "#0x1234567890ABCDEF")
pb.option "int64_as_number"
if _VERSION == "Lua 5.3" then
eq(conv.decode_sint64(conv.encode_sint64("#0x1234567890ABCDEF")), 0x1234567890ABCDEF)
else
assert(conv.decode_sint64(conv.encode_sint64("#0x1234567890ABCDEF")))
end
eq(conv.encode_sint32('---1'), 1)
fail("number/string expected, got boolean", function() conv.encode_sint64(true) end)
fail("integer format error: '@xyz'", function() conv.encode_sint64('@xyz') end)
assert(pb.type ".google.protobuf.FileDescriptorSet")
end
function _G.test_buffer()
eq(buffer.pack("vvv", 1,2,3), "\1\2\3")
eq(buffer.tohex(buffer.pack("d", 4294967295)), "FF FF FF FF")
if _VERSION == "Lua 5.3" then
eq(buffer.tohex(buffer.pack("q", 9223372036854775807)), "FF FF FF FF FF FF FF 7F")
else
eq(buffer.tohex(buffer.pack("q", "#9223372036854775807")), "FF FF FF FF FF FF FF 7F")
end
eq(buffer.pack("s", "foo"), "\3foo")
eq(buffer.pack("cc", "foo", "bar"), "foobar")
eq(buffer():pack("vvv", 1,2,3):result(), "\1\2\3")
eq(buffer("foo", "bar"):result(), "foobar")
eq(buffer.new("foo", "bar"):result(), "foobar")
eq(pb.fromhex"01 23 456789ABCDEF", "\1\35\69\103\137\171\205\239")
local b = buffer.new()
b:pack("b", true); eq(b:tohex(-1), "01")
b:pack("f", 0.125); eq(b:tohex(-4), "00 00 00 3E")
b:pack("F", 0.125); eq(b:tohex(-8), "00 00 00 00 00 00 C0 3F")
b:pack("i", 4294967295); eq(b:tohex(-10), "FF FF FF FF FF FF FF FF FF 01")
b:pack("j", 4294967295); eq(b:tohex(-1), "01")
b:pack("u", 4294967295); eq(b:tohex(-5), "FF FF FF FF 0F")
b:pack("x", 4294967295); eq(b:tohex(-4), "FF FF FF FF")
b:pack("y", 4294967295); eq(b:tohex(-4), "FF FF FF FF")
if _VERSION == "Lua 5.3" then
b:pack("I", 9223372036854775807); eq(b:tohex(-9), "FF FF FF FF FF FF FF FF 7F")
b:pack("J", 9223372036854775807); eq(b:tohex(-10), "FE FF FF FF FF FF FF FF FF 01")
b:pack("U", 9223372036854775807); eq(b:tohex(-9), "FF FF FF FF FF FF FF FF 7F")
b:pack("X", 9223372036854775807); eq(b:tohex(-8), "FF FF FF FF FF FF FF 7F")
b:pack("Y", 9223372036854775807); eq(b:tohex(-8), "FF FF FF FF FF FF FF 7F")
else
b:pack("I", "#9223372036854775807"); eq(b:tohex(-9), "FF FF FF FF FF FF FF FF 7F")
b:pack("J", "#9223372036854775807"); eq(b:tohex(-10), "FE FF FF FF FF FF FF FF FF 01")
b:pack("U", "#9223372036854775807"); eq(b:tohex(-9), "FF FF FF FF FF FF FF FF 7F")
b:pack("X", "#9223372036854775807"); eq(b:tohex(-8), "FF FF FF FF FF FF FF 7F")
b:pack("Y", "#9223372036854775807"); eq(b:tohex(-8), "FF FF FF FF FF FF FF 7F")
end
assert(#b ~= 0)
assert(#b:reset() == 0)
assert(tostring(b):match 'pb.Buffer')
b = buffer.new "foo"
assert(#b == 3)
b:delete()
assert(#b == 0)
b:pack("vvv", 1,2,3)
assert(#b == 3)
b = buffer.new()
eq(b:pack("(vvv)", 1,2,3):tohex(-4), "03 01 02 03")
eq(b:pack("((vvv))", 1,2,3):tohex(-5), "04 03 01 02 03")
fail("unmatch '(' in format", function() buffer.pack "(" end)
fail("unexpected ')' in format", function() buffer.pack ")" end)
fail("number/'#number' expected for type 'int32', got string", function() buffer.pack("i", "foo") end)
fail("number/'#number' expected for type 'int32', got boolean", function() buffer.pack("i", true) end)
fail("invalid formater: '!'", function() buffer.pack '!' end)
b = buffer.new()
eq(b:pack("c", ("a"):rep(1025)):result(), ("a"):rep(1025))
eq(b:pack("c", ("b"):rep(1025)):result(), ("a"):rep(1025)..("b"):rep(1025))
eq(#b, 2050)
b:reset("foo", "bar")
eq(#b, 6)
fail("integer format error: 'foo'", function() buffer.pack("v", "foo") end)
if _VERSION == "Lua 5.3" or _VERSION == "Lua 5.4" then
fail("integer format error", function() buffer.pack("v", 1e308) end)
else
fail("number has no integer representation", function() buffer.pack("v", 1e308) end)
end
b = buffer.new()
fail("encode bytes fail", function() b:pack("#", 10) end)
check_load [[
message Test { optional int32 value = 1 }
]]
local len = #b
eq(#b, 0)
eq(pb.encode("Test", { value = 1 }, b), b)
eq(#b, 2)
b:pack("#", len)
eq(b:tohex(), "02 08 01")
b = buffer.new()
eq(b:pack("i", -1):tohex(), "FF FF FF FF FF FF FF FF FF 01")
assert(pb.type ".google.protobuf.FileDescriptorSet")
end
function _G.test_slice()
local s = slice.new "\3\1\2\3"
eq(#s, 4)
eq(s:level(), 1)
eq(s:level(1), 1)
eq(s:level(2), nil)
eq({s:level(-1)}, {1,1,4})
eq(s:enter(), s)
eq(s:level(), 2)
eq({s:level(-1)}, {2,2,4})
eq({s:level(1)}, {5,1,4})
eq({s:unpack "vvv"}, {1,2,3})
eq(s:unpack "v", nil)
eq(s:leave(), s)
eq(s:unpack("+s", -4), "\1\2\3")
s = slice "\3\1\2\3"
for i = 2, 20 do
s:enter(1, 4); eq(s:level(), i)
end