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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <algorithm>
#include <ostream>
#include <string>
#include <utility>
#include "gtest/gtest.h"
#include "mojo/public/cpp/system/macros.h"
#include "mojo/public/interfaces/bindings/tests/sample_service.mojom.h"
namespace mojo {
template <>
struct TypeConverter<int32_t, sample::BarPtr> {
static int32_t Convert(const sample::BarPtr& bar) {
return static_cast<int32_t>(bar->alpha) << 16 |
static_cast<int32_t>(bar->beta) << 8 |
static_cast<int32_t>(bar->gamma);
}
};
} // namespace mojo
namespace sample {
namespace {
// Set this variable to true to print the message in hex.
bool g_dump_message_as_hex = false;
// Set this variable to true to print the message in human readable form.
bool g_dump_message_as_text = false;
// Make a sample |Foo|.
FooPtr MakeFoo() {
mojo::String name("foopy");
BarPtr bar(Bar::New());
bar->alpha = 20;
bar->beta = 40;
bar->gamma = 60;
bar->type = Bar::Type::VERTICAL;
auto extra_bars = mojo::Array<BarPtr>::New(3);
for (size_t i = 0; i < extra_bars.size(); ++i) {
Bar::Type type = i % 2 == 0 ? Bar::Type::VERTICAL : Bar::Type::HORIZONTAL;
BarPtr bar(Bar::New());
uint8_t base = static_cast<uint8_t>(i * 100);
bar->alpha = base;
bar->beta = base + 20;
bar->gamma = base + 40;
bar->type = type;
extra_bars[i] = bar.Pass();
}
auto data = mojo::Array<uint8_t>::New(10);
for (size_t i = 0; i < data.size(); ++i)
data[i] = static_cast<uint8_t>(data.size() - i);
auto input_streams = mojo::Array<mojo::ScopedDataPipeConsumerHandle>::New(2);
auto output_streams = mojo::Array<mojo::ScopedDataPipeProducerHandle>::New(2);
for (size_t i = 0; i < input_streams.size(); ++i) {
MojoCreateDataPipeOptions options;
options.struct_size = sizeof(MojoCreateDataPipeOptions);
options.flags = MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE;
options.element_num_bytes = 1;
options.capacity_num_bytes = 1024;
mojo::ScopedDataPipeProducerHandle producer;
mojo::ScopedDataPipeConsumerHandle consumer;
mojo::CreateDataPipe(&options, &producer, &consumer);
input_streams[i] = consumer.Pass();
output_streams[i] = producer.Pass();
}
auto array_of_array_of_bools = mojo::Array<mojo::Array<bool>>::New(2);
for (size_t i = 0; i < 2; ++i) {
auto array_of_bools = mojo::Array<bool>::New(2);
for (size_t j = 0; j < 2; ++j)
array_of_bools[j] = j;
array_of_array_of_bools[i] = array_of_bools.Pass();
}
mojo::MessagePipe pipe;
FooPtr foo(Foo::New());
foo->name = name;
foo->x = 1;
foo->y = 2;
foo->a = false;
foo->b = true;
foo->c = false;
foo->bar = bar.Pass();
foo->extra_bars = extra_bars.Pass();
foo->data = data.Pass();
foo->source = pipe.handle1.Pass();
foo->input_streams = input_streams.Pass();
foo->output_streams = output_streams.Pass();
foo->array_of_array_of_bools = array_of_array_of_bools.Pass();
return foo;
}
// Check that the given |Foo| is identical to the one made by |MakeFoo()|.
void CheckFoo(const Foo& foo) {
const std::string kName("foopy");
ASSERT_FALSE(foo.name.is_null());
EXPECT_EQ(kName.size(), foo.name.size());
for (size_t i = 0; i < std::min(kName.size(), foo.name.size()); i++) {
// Test both |operator[]| and |at|.
EXPECT_EQ(kName[i], foo.name.at(i)) << i;
EXPECT_EQ(kName[i], foo.name[i]) << i;
}
EXPECT_EQ(kName, foo.name.get());
EXPECT_EQ(1, foo.x);
EXPECT_EQ(2, foo.y);
EXPECT_FALSE(foo.a);
EXPECT_TRUE(foo.b);
EXPECT_FALSE(foo.c);
EXPECT_EQ(20, foo.bar->alpha);
EXPECT_EQ(40, foo.bar->beta);
EXPECT_EQ(60, foo.bar->gamma);
EXPECT_EQ(Bar::Type::VERTICAL, foo.bar->type);
EXPECT_EQ(3u, foo.extra_bars.size());
for (size_t i = 0; i < foo.extra_bars.size(); i++) {
uint8_t base = static_cast<uint8_t>(i * 100);
Bar::Type type = i % 2 == 0 ? Bar::Type::VERTICAL : Bar::Type::HORIZONTAL;
EXPECT_EQ(base, foo.extra_bars[i]->alpha) << i;
EXPECT_EQ(base + 20, foo.extra_bars[i]->beta) << i;
EXPECT_EQ(base + 40, foo.extra_bars[i]->gamma) << i;
EXPECT_EQ(type, foo.extra_bars[i]->type) << i;
}
EXPECT_EQ(10u, foo.data.size());
for (size_t i = 0; i < foo.data.size(); ++i) {
EXPECT_EQ(static_cast<uint8_t>(foo.data.size() - i), foo.data[i]) << i;
}
EXPECT_FALSE(foo.input_streams.is_null());
EXPECT_EQ(2u, foo.input_streams.size());
EXPECT_FALSE(foo.output_streams.is_null());
EXPECT_EQ(2u, foo.output_streams.size());
EXPECT_EQ(2u, foo.array_of_array_of_bools.size());
for (size_t i = 0; i < foo.array_of_array_of_bools.size(); ++i) {
EXPECT_EQ(2u, foo.array_of_array_of_bools[i].size());
for (size_t j = 0; j < foo.array_of_array_of_bools[i].size(); ++j) {
EXPECT_EQ(bool(j), foo.array_of_array_of_bools[i][j]);
}
}
}
void PrintSpacer(int depth) {
for (int i = 0; i < depth; ++i)
std::cout << " ";
}
void Print(int depth, const char* name, bool value) {
PrintSpacer(depth);
std::cout << name << ": " << (value ? "true" : "false") << std::endl;
}
void Print(int depth, const char* name, int32_t value) {
PrintSpacer(depth);
std::cout << name << ": " << value << std::endl;
}
void Print(int depth, const char* name, uint8_t value) {
PrintSpacer(depth);
std::cout << name << ": " << uint32_t(value) << std::endl;
}
template <typename H>
void Print(int depth,
const char* name,
const mojo::ScopedHandleBase<H>& value) {
PrintSpacer(depth);
std::cout << name << ": 0x" << std::hex << value.get().value() << std::endl;
}
void Print(int depth, const char* name, const mojo::String& str) {
PrintSpacer(depth);
std::cout << name << ": \"" << str.get() << "\"" << std::endl;
}
void Print(int depth, const char* name, const BarPtr& bar) {
PrintSpacer(depth);
std::cout << name << ":" << std::endl;
if (!bar.is_null()) {
++depth;
Print(depth, "alpha", bar->alpha);
Print(depth, "beta", bar->beta);
Print(depth, "gamma", bar->gamma);
Print(depth, "packed", bar.To<int32_t>());
--depth;
}
}
template <typename T>
void Print(int depth, const char* name, const mojo::Array<T>& array) {
PrintSpacer(depth);
std::cout << name << ":" << std::endl;
if (!array.is_null()) {
++depth;
for (size_t i = 0; i < array.size(); ++i) {
std::stringstream buf;
buf << i;
Print(depth, buf.str().data(), array.at(i));
}
--depth;
}
}
void Print(int depth, const char* name, const FooPtr& foo) {
PrintSpacer(depth);
std::cout << name << ":" << std::endl;
if (!foo.is_null()) {
++depth;
Print(depth, "name", foo->name);
Print(depth, "x", foo->x);
Print(depth, "y", foo->y);
Print(depth, "a", foo->a);
Print(depth, "b", foo->b);
Print(depth, "c", foo->c);
Print(depth, "bar", foo->bar);
Print(depth, "extra_bars", foo->extra_bars);
Print(depth, "data", foo->data);
Print(depth, "source", foo->source);
Print(depth, "input_streams", foo->input_streams);
Print(depth, "output_streams", foo->output_streams);
Print(depth, "array_of_array_of_bools", foo->array_of_array_of_bools);
--depth;
}
}
void DumpHex(const uint8_t* bytes, uint32_t num_bytes) {
for (uint32_t i = 0; i < num_bytes; ++i) {
std::cout << std::setw(2) << std::setfill('0') << std::hex
<< uint32_t(bytes[i]);
if (i % 16 == 15) {
std::cout << std::endl;
continue;
}
if (i % 2 == 1)
std::cout << " ";
if (i % 8 == 7)
std::cout << " ";
}
}
class ServiceImpl : public Service {
public:
void Frobinate(FooPtr foo,
BazOptions baz,
mojo::InterfaceHandle<Port> port,
const Service::FrobinateCallback& callback) override {
// Users code goes here to handle the incoming Frobinate message.
// We mainly check that we're given the expected arguments.
EXPECT_FALSE(foo.is_null());
if (!foo.is_null())
CheckFoo(*foo);
EXPECT_EQ(Service::BazOptions::EXTRA, baz);
if (g_dump_message_as_text) {
// Also dump the Foo structure and all of its members.
std::cout << "Frobinate:" << std::endl;
int depth = 1;
Print(depth, "foo", foo);
Print(depth, "baz", static_cast<int32_t>(baz));
auto portptr = PortPtr::Create(std::move(port));
Print(depth, "port", portptr.get());
}
callback.Run(5);
}
void GetPort(mojo::InterfaceRequest<Port> port_request) override {}
};
class ServiceProxyImpl : public ServiceProxy {
public:
explicit ServiceProxyImpl(mojo::MessageReceiverWithResponder* receiver)
: ServiceProxy(receiver) {}
};
class SimpleMessageReceiver : public mojo::MessageReceiverWithResponder {
public:
bool Accept(mojo::Message* message) override {
// Imagine some IPC happened here.
if (g_dump_message_as_hex) {
DumpHex(reinterpret_cast<const uint8_t*>(message->data()),
message->data_num_bytes());
}
// In the receiving process, an implementation of ServiceStub is known to
// the system. It receives the incoming message.
ServiceImpl impl;
ServiceStub stub;
stub.set_sink(&impl);
return stub.Accept(message);
}
bool AcceptWithResponder(mojo::Message* message,
mojo::MessageReceiver* responder) override {
return false;
}
};
TEST(BindingsSampleTest, Basic) {
SimpleMessageReceiver receiver;
// User has a proxy to a Service somehow.
Service* service = new ServiceProxyImpl(&receiver);
// User constructs a message to send.
// Notice that it doesn't matter in what order the structs / arrays are
// allocated. Here, the various members of Foo are allocated before Foo is
// allocated.
FooPtr foo = MakeFoo();
CheckFoo(*foo);
PortPtr port;
service->Frobinate(foo.Pass(), Service::BazOptions::EXTRA, std::move(port),
Service::FrobinateCallback());
delete service;
}
TEST(BindingsSampleTest, DefaultValues) {
DefaultsTestPtr defaults(DefaultsTest::New());
EXPECT_EQ(-12, defaults->a0);
EXPECT_EQ(kTwelve, defaults->a1);
EXPECT_EQ(1234, defaults->a2);
EXPECT_EQ(34567U, defaults->a3);
EXPECT_EQ(123456, defaults->a4);
EXPECT_EQ(3456789012U, defaults->a5);
EXPECT_EQ(-111111111111LL, defaults->a6);
EXPECT_EQ(9999999999999999999ULL, defaults->a7);
EXPECT_EQ(0x12345, defaults->a8);
EXPECT_EQ(-0x12345, defaults->a9);
EXPECT_EQ(1234, defaults->a10);
EXPECT_TRUE(defaults->a11);
EXPECT_FALSE(defaults->a12);
EXPECT_FLOAT_EQ(123.25f, defaults->a13);
EXPECT_DOUBLE_EQ(1234567890.123, defaults->a14);
EXPECT_DOUBLE_EQ(1E10, defaults->a15);
EXPECT_DOUBLE_EQ(-1.2E+20, defaults->a16);
EXPECT_DOUBLE_EQ(1.23E-20, defaults->a17);
EXPECT_TRUE(defaults->a18.is_null());
EXPECT_TRUE(defaults->a19.is_null());
EXPECT_EQ(Bar::Type::BOTH, defaults->a20);
EXPECT_TRUE(defaults->a21.is_null());
ASSERT_FALSE(defaults->a22.is_null());
EXPECT_EQ(imported::Shape::RECTANGLE, defaults->a22->shape);
EXPECT_EQ(imported::Color::BLACK, defaults->a22->color);
EXPECT_EQ(0xFFFFFFFFFFFFFFFFULL, defaults->a23);
EXPECT_EQ(0x123456789, defaults->a24);
EXPECT_EQ(-0x123456789, defaults->a25);
}
} // namespace
} // namespace sample