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runtime_test.cpp
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runtime_test.cpp
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#include "runtime.h"
#include "test_runner_p.h"
#include <functional>
using namespace std;
namespace runtime {
namespace {
class Logger : public Object {
public:
static int instance_count;
explicit Logger(int value_ = 0)
: id_(value_) {
++instance_count;
}
Logger(const Logger& rhs)
: id_(rhs.id_) {
++instance_count;
}
Logger(Logger&& rhs) noexcept
: id_(rhs.id_) {
++instance_count;
}
Logger& operator=(const Logger& /*rhs*/) = default;
Logger& operator=(Logger&& /*rhs*/) = default;
[[nodiscard]] int GetId() const {
return id_;
}
~Logger() {
--instance_count;
}
void Print(ostream& os, [[maybe_unused]] Context& context) override {
os << id_;
}
private:
int id_;
};
int Logger::instance_count = 0;
void TestNumber() {
Number num(127);
DummyContext context;
num.Print(context.output, context);
ASSERT_EQUAL(context.output.str(), "127"s);
ASSERT_EQUAL(num.GetValue(), 127);
}
void TestString() {
String word("hello!"s);
DummyContext context;
word.Print(context.output, context);
ASSERT_EQUAL(context.output.str(), "hello!"s);
ASSERT_EQUAL(word.GetValue(), "hello!"s);
}
struct TestMethodBody : Executable {
using Fn = std::function<ObjectHolder(Closure& closure, Context& context)>;
Fn body;
explicit TestMethodBody(Fn body)
: body(std::move(body)) {
}
ObjectHolder Execute(Closure& closure, Context& context) override {
if (body) {
return body(closure, context);
}
return {};
}
};
void TestMethodInvocation() {
DummyContext context;
Closure base_closure;
auto base_method_1 = [&base_closure, &context](Closure& closure, Context& ctx) {
ASSERT_EQUAL(&context, &ctx);
base_closure = closure;
return ObjectHolder::Own(Number{ 123 });
};
auto base_method_2 = [&base_closure, &context](Closure& closure, Context& ctx) {
ASSERT_EQUAL(&context, &ctx);
base_closure = closure;
return ObjectHolder::Own(Number{ 456 });
};
vector<Method> base_methods;
base_methods.push_back(
{ "test"s, { "arg1"s, "arg2"s }, make_unique<TestMethodBody>(base_method_1) });
base_methods.push_back({ "test_2"s, { "arg1"s }, make_unique<TestMethodBody>(base_method_2) });
Class base_class{ "Base"s, std::move(base_methods), nullptr };
ClassInstance base_inst{ base_class };
base_inst.Fields()["base_field"s] = ObjectHolder::Own(String{ "hello"s });
ASSERT(base_inst.HasMethod("test"s, 2U));
auto res = base_inst.Call(
"test"s, { ObjectHolder::Own(Number{ 1 }), ObjectHolder::Own(String{ "abc"s }) }, context);
ASSERT(Equal(res, ObjectHolder::Own(Number{ 123 }), context));
ASSERT_EQUAL(base_closure.size(), 3U);
ASSERT_EQUAL(base_closure.count("self"s), 1U);
ASSERT_EQUAL(base_closure.at("self"s).Get(), &base_inst);
ASSERT_EQUAL(base_closure.count("self"s), 1U);
ASSERT_EQUAL(base_closure.count("arg1"s), 1U);
ASSERT(Equal(base_closure.at("arg1"s), ObjectHolder::Own(Number{ 1 }), context));
ASSERT_EQUAL(base_closure.count("arg2"s), 1U);
ASSERT(Equal(base_closure.at("arg2"s), ObjectHolder::Own(String{ "abc"s }), context));
ASSERT_EQUAL(base_closure.count("base_field"s), 0U);
Closure child_closure;
auto child_method_1 = [&child_closure, &context](Closure& closure, Context& ctx) {
ASSERT_EQUAL(&context, &ctx);
child_closure = closure;
return ObjectHolder::Own(String("child"s));
};
vector<Method> child_methods;
child_methods.push_back(
{ "test"s, { "arg1_child"s, "arg2_child"s }, make_unique<TestMethodBody>(child_method_1) });
Class child_class{ "Child"s, std::move(child_methods), &base_class };
ClassInstance child_inst{ child_class };
ASSERT(child_inst.HasMethod("test"s, 2U));
base_closure.clear();
res = child_inst.Call(
"test"s, { ObjectHolder::Own(String{ "value1"s }), ObjectHolder::Own(String{ "value2"s }) },
context);
ASSERT(Equal(res, ObjectHolder::Own(String{ "child"s }), context));
ASSERT(base_closure.empty());
ASSERT_EQUAL(child_closure.size(), 3U);
ASSERT_EQUAL(child_closure.count("self"s), 1U);
ASSERT_EQUAL(child_closure.at("self"s).Get(), &child_inst);
ASSERT_EQUAL(child_closure.count("arg1_child"s), 1U);
ASSERT(Equal(child_closure.at("arg1_child"s), (ObjectHolder::Own(String{ "value1"s })), context));
ASSERT_EQUAL(child_closure.count("arg2_child"s), 1U);
ASSERT(Equal(child_closure.at("arg2_child"s), (ObjectHolder::Own(String{ "value2"s })), context));
ASSERT(child_inst.HasMethod("test_2"s, 1U));
child_closure.clear();
res = child_inst.Call("test_2"s, { ObjectHolder::Own(String{ ":)"s }) }, context);
ASSERT(Equal(res, ObjectHolder::Own(Number{ 456 }), context));
ASSERT_EQUAL(base_closure.size(), 2U);
ASSERT_EQUAL(base_closure.count("self"s), 1U);
ASSERT_EQUAL(base_closure.at("self"s).Get(), &child_inst);
ASSERT_EQUAL(base_closure.count("arg1"s), 1U);
ASSERT(Equal(base_closure.at("arg1"s), (ObjectHolder::Own(String{ ":)"s })), context));
ASSERT(!child_inst.HasMethod("test"s, 1U));
ASSERT_THROWS(child_inst.Call("test"s, { ObjectHolder::None() }, context), runtime_error);
}
void TestNonowning() {
ASSERT_EQUAL(Logger::instance_count, 0);
Logger logger(784);
{
auto oh = ObjectHolder::Share(logger);
ASSERT(oh);
}
ASSERT_EQUAL(Logger::instance_count, 1);
auto oh = ObjectHolder::Share(logger);
ASSERT(oh);
ASSERT(oh.Get() == &logger);
DummyContext context;
oh->Print(context.output, context);
ASSERT_EQUAL(context.output.str(), "784"sv);
}
void TestOwning() {
ASSERT_EQUAL(Logger::instance_count, 0);
{
auto oh = ObjectHolder::Own(Logger());
ASSERT(oh);
ASSERT_EQUAL(Logger::instance_count, 1);
}
ASSERT_EQUAL(Logger::instance_count, 0);
auto oh = ObjectHolder::Own(Logger(312));
ASSERT(oh);
ASSERT_EQUAL(Logger::instance_count, 1);
DummyContext context;
oh->Print(context.output, context);
ASSERT_EQUAL(context.output.str(), "312"sv);
}
void TestMove() {
{
ASSERT_EQUAL(Logger::instance_count, 0);
Logger logger;
auto one = ObjectHolder::Share(logger);
ObjectHolder two = std::move(one);
ASSERT_EQUAL(Logger::instance_count, 1);
ASSERT(two.Get() == &logger);
}
{
ASSERT_EQUAL(Logger::instance_count, 0);
auto one = ObjectHolder::Own(Logger());
ASSERT_EQUAL(Logger::instance_count, 1);
Object* stored = one.Get();
ObjectHolder two = std::move(one);
ASSERT_EQUAL(Logger::instance_count, 1);
ASSERT(two.Get() == stored);
ASSERT(!one);
}
}
void TestNullptr() {
ObjectHolder oh;
ASSERT(!oh);
ASSERT(!oh.Get());
}
void TestIsBool() {
ASSERT(IsTrue(ObjectHolder::Own(Bool{ true })));
ASSERT(!IsTrue(ObjectHolder::Own(Bool{ false })));
ASSERT(!IsTrue(ObjectHolder::Own(String{ ""s })));
ASSERT(IsTrue(ObjectHolder::Own(String{ "abc"s })));
ASSERT(IsTrue(ObjectHolder::Own(Number{ 1 })));
ASSERT(!IsTrue(ObjectHolder::Own(Number{ 0 })));
}
void TestPrint() {
{
DummyContext ctx;
auto string_obj = ObjectHolder::Own(String{ "abc"s });
string_obj.Get()->Print(ctx.output, ctx);
ASSERT(ctx.output.str() == "abc"s);
}
{
DummyContext ctx;
auto number_obj = ObjectHolder::Own(Number{ 1234 });
number_obj.Get()->Print(ctx.output, ctx);
ASSERT(ctx.output.str() == "1234"s)
}
{
DummyContext ctx;
auto bool_obj = ObjectHolder::Own(Bool{ true });
bool_obj.Get()->Print(ctx.output, ctx);
ASSERT(ctx.output.str() == "True"s)
}
{
DummyContext context;
Closure base_closure;
auto base_method_1 = [&base_closure, &context](Closure& closure, Context& ctx) {
return ObjectHolder::Own(Number{ 123 });
};
auto base_method_2 = [&base_closure, &context](Closure& closure, Context& ctx) {
return ObjectHolder::Own(Number{ 456 });
};
vector<Method> base_methods;
base_methods.push_back(
{ "test"s, { "arg1"s, "arg2"s }, make_unique<TestMethodBody>(base_method_1) });
base_methods.push_back({ "test_2"s, { "arg1"s }, make_unique<TestMethodBody>(base_method_2) });
Class base_class{ "Base"s, std::move(base_methods), nullptr };
ClassInstance base_inst{ base_class };
base_inst.Fields()["base_field"s] = ObjectHolder::Own(String{ "hello"s });
base_class.Print(context.output, context);
ASSERT(context.output.str() == "Class Base"s)
context.output.str(""s);
base_inst.Print(context.output, context);
auto str = context.output.str();
stringstream ss;
ss << &base_inst;
ASSERT(context.output.str() == ss.str());
}
{
DummyContext context;
Closure base_closure;
auto base_method_1 = [&base_closure, &context](Closure& closure, Context& ctx) {
return ObjectHolder::Own(String{ "string string string"s });
};
auto base_method_2 = [&base_closure, &context](Closure& closure, Context& ctx) {
return ObjectHolder::Own(Number{ 456 });
};
vector<Method> base_methods;
base_methods.push_back(
{ "__str__"s, {}, make_unique<TestMethodBody>(base_method_1) });
base_methods.push_back({ "test_2"s, { "arg1"s }, make_unique<TestMethodBody>(base_method_2) });
Class base_class{ "Base"s, std::move(base_methods), nullptr };
ClassInstance base_inst{ base_class };
base_inst.Fields()["base_field"s] = ObjectHolder::Own(String{ "hello"s });
base_class.Print(context.output, context);
ASSERT(context.output.str() == "Class Base"s)
context.output.str(""s);
base_inst.Print(context.output, context);
ASSERT(context.output.str() == "string string string"s);
}
}
void TestCall() {
DummyContext context;
Closure base_closure;
auto base_method_1 = [](Closure& closure, Context& ctx) {
auto x = closure.at("arg1"s);
auto f = closure.at("self"s);
return ObjectHolder::Own(Number{ 123 });
};
vector<Method> base_methods;
base_methods.push_back(
{ "test"s, { "arg1"s }, make_unique<TestMethodBody>(base_method_1) });
Class base_class{ "Base"s, std::move(base_methods), nullptr };
ClassInstance base_inst{ base_class };
base_inst.Fields()["base_field"s] = ObjectHolder::Own(Number{ 6 });
auto res = base_inst.Call(
"test"s, { ObjectHolder::Own(Number{ 5 }) }, context);
res.Get()->Print(context.output, context);
ASSERT(context.output.str() == "123"s);
}
void TestClassEq() {
DummyContext context;
auto class1_method = [](Closure& closure, Context& ctx) {
auto self_obj = closure.at("self"s);
auto l_ptr_class_inst = self_obj.TryAs<runtime::ClassInstance>();
const auto lvalue = l_ptr_class_inst->Fields().at("value").TryAs<Number>()->GetValue();
auto other_obj = closure.at("other"s);
auto r_ptr_class_inst = other_obj.TryAs<runtime::ClassInstance>();
const auto rvalue = r_ptr_class_inst->Fields().at("value").TryAs<Number>()->GetValue();
return ObjectHolder::Own(Bool{ lvalue == rvalue });
};
vector<Method> class1_methods;
class1_methods.push_back(
{ "__eq__"s, { "other"s }, make_unique<TestMethodBody>(class1_method) });
Class class1{ "Class1"s, std::move(class1_methods), nullptr };
ClassInstance class1_inst{ class1 };
class1_inst.Fields()["value"s] = ObjectHolder::Own(Number{ 6 });
auto class2_method = [](Closure& closure, Context& ctx) {
auto self_obj = closure.at("self"s);
auto l_ptr_class_inst = self_obj.TryAs<runtime::ClassInstance>();
const auto lvalue = l_ptr_class_inst->Fields().at("value").TryAs<Number>()->GetValue();
auto other_obj = closure.at("other"s);
auto r_ptr_class_inst = other_obj.TryAs<runtime::ClassInstance>();
const auto rvalue = r_ptr_class_inst->Fields().at("value").TryAs<Number>()->GetValue();
return ObjectHolder::Own(Bool{ lvalue == rvalue });
};
vector<Method> class2_methods;
class2_methods.push_back(
{ "__eq__"s, { "other"s }, make_unique<TestMethodBody>(class1_method) });
Class class2{ "Class2"s, std::move(class2_methods), nullptr };
ClassInstance class2_inst{ class2 };
class2_inst.Fields()["value"s] = ObjectHolder::Own(Number{ 7 });
ASSERT(!Equal(ObjectHolder::Own(std::move(class1_inst)), ObjectHolder::Own(std::move(class2_inst)), context));
}
void TestLess() {
{
DummyContext context;
ASSERT(!Less(ObjectHolder::Own(String{ "caa"s }), ObjectHolder::Own(String{ "bbb"s }), context));
ASSERT(!Less(ObjectHolder::Own(Number{ 7 }), ObjectHolder::Own(Number{ 3 }), context));
ASSERT(Less(ObjectHolder::Own(Bool{ false }), ObjectHolder::Own(Bool{ true }), context));
}
{
DummyContext context;
auto class1_method = [](Closure& closure, Context& ctx) {
auto self_obj = closure.at("self"s);
auto l_ptr_class_inst = self_obj.TryAs<runtime::ClassInstance>();
const auto lvalue = l_ptr_class_inst->Fields().at("value").TryAs<Number>()->GetValue();
auto other_obj = closure.at("other"s);
auto r_ptr_class_inst = other_obj.TryAs<runtime::ClassInstance>();
const auto rvalue = r_ptr_class_inst->Fields().at("value").TryAs<Number>()->GetValue();
return ObjectHolder::Own(Bool{ lvalue < rvalue });
};
vector<Method> class1_methods;
class1_methods.push_back(
{ "__lt__"s, { "other"s }, make_unique<TestMethodBody>(class1_method) });
Class class1{ "Class1"s, std::move(class1_methods), nullptr };
ClassInstance class1_inst{ class1 };
class1_inst.Fields()["value"s] = ObjectHolder::Own(Number{ 6 });
auto class2_method = [](Closure& closure, Context& ctx) {
auto self_obj = closure.at("self"s);
auto l_ptr_class_inst = self_obj.TryAs<runtime::ClassInstance>();
const auto lvalue = l_ptr_class_inst->Fields().at("value").TryAs<Number>()->GetValue();
auto other_obj = closure.at("other"s);
auto r_ptr_class_inst = other_obj.TryAs<runtime::ClassInstance>();
const auto rvalue = r_ptr_class_inst->Fields().at("value").TryAs<Number>()->GetValue();
return ObjectHolder::Own(Bool{ lvalue < rvalue });
};
vector<Method> class2_methods;
class2_methods.push_back(
{ "__lt__"s, { "other"s }, make_unique<TestMethodBody>(class1_method) });
Class class2{ "Class2"s, std::move(class2_methods), nullptr };
ClassInstance class2_inst{ class2 };
class2_inst.Fields()["value"s] = ObjectHolder::Own(Number{ 7 });
ASSERT(Less(ObjectHolder::Own(std::move(class1_inst)), ObjectHolder::Own(std::move(class2_inst)), context));
}
}
} // namespace
void RunObjectsTests(TestRunner& tr) {
RUN_TEST(tr, runtime::TestNumber);
RUN_TEST(tr, runtime::TestString);
RUN_TEST(tr, runtime::TestMethodInvocation);
}
void RunObjectHolderTests(TestRunner& tr) {
RUN_TEST(tr, runtime::TestNonowning);
RUN_TEST(tr, runtime::TestOwning);
RUN_TEST(tr, runtime::TestMove);
RUN_TEST(tr, runtime::TestNullptr);
}
void RunUserTests(TestRunner& tr) {
RUN_TEST(tr, runtime::TestIsBool);
RUN_TEST(tr, runtime::TestPrint);
RUN_TEST(tr, runtime::TestCall);
RUN_TEST(tr, runtime::TestClassEq);
RUN_TEST(tr, runtime::TestLess);
}
} // namespace runtime