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2377 lines (1903 loc) · 81.2 KB
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// All of these are necessary because of catch.hpp. It's OK, they'll be
// caught in other cpp files if chaiscript causes them
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4062 4242 4566 4640 4702 6330 28251)
#endif
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunknown-pragmas"
#pragma GCC diagnostic ignored "-Wparentheses"
// This one is necessary for the const return non-reference test
#pragma GCC diagnostic ignored "-Wignored-qualifiers"
#endif
#include <chaiscript/chaiscript.hpp>
#include <chaiscript/chaiscript_basic.hpp>
#include <chaiscript/dispatchkit/bootstrap_stl.hpp>
#include <chaiscript/utility/utility.hpp>
#include "../static_libs/chaiscript_parser.hpp"
#include "../static_libs/chaiscript_stdlib.hpp"
#include "catch_amalgamated.hpp"
#include <clocale>
// lambda_tests
TEST_CASE("C++11 Lambdas Can Be Registered") {
// We cannot deduce the type of a lambda expression, you must either wrap it
// in an std::function or provide the signature
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::fun([]() -> std::string { return "hello"; }), "f1");
// wrap
chai.add(chaiscript::fun(std::function<std::string()>([] { return "world"; })), "f2");
CHECK(chai.eval<std::string>("f1()") == "hello");
CHECK(chai.eval<std::string>("f2()") == "world");
}
TEST_CASE("Lambdas can return boolean") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
// check lambdas returning bool from chaiscript:
std::function<bool()> chai_function;
CHECK_NOTHROW(chai_function = chai.eval<std::function<bool()>>("fun() { 42 != 0 }"));
bool result = false;
CHECK_NOTHROW(result = chai_function());
CHECK(result == true);
// check lambdas returning bool from C++:
auto cpp_function = [](int x) { return x == 42; };
CHECK_NOTHROW(chai.add(chaiscript::fun(cpp_function), "cpp_function"));
CHECK_NOTHROW(result = chai.eval<bool>("cpp_function(314)"));
CHECK(result == false);
}
// dynamic_object tests
TEST_CASE("Dynamic_Object attributes can be shared with C++") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai("attr bob::z; def bob::bob() { this.z = 10 }; auto x = bob()");
chaiscript::dispatch::Dynamic_Object &mydo = chai.eval<chaiscript::dispatch::Dynamic_Object &>("x");
CHECK(mydo.get_type_name() == "bob");
CHECK(chaiscript::boxed_cast<int>(mydo.get_attr("z")) == 10);
chai("x.z = 15");
CHECK(chaiscript::boxed_cast<int>(mydo.get_attr("z")) == 15);
int &z = chaiscript::boxed_cast<int &>(mydo.get_attr("z"));
CHECK(z == 15);
z = 20;
CHECK(z == 20);
CHECK(chaiscript::boxed_cast<int>(chai("x.z")) == 20);
}
TEST_CASE("Function objects can be created from chaiscript functions") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.eval("def func() { print(\"Hello World\"); } ");
std::function<void()> f = chai.eval<std::function<void()>>("func");
f();
CHECK(chai.eval<std::function<std::string(int)>>("to_string")(6) == "6");
CHECK(chai.eval<std::function<std::string(const chaiscript::Boxed_Value &)>>("to_string")(chaiscript::var(6)) == "6");
}
TEST_CASE("ChaiScript can be created and destroyed on heap") {
auto *chai = new chaiscript::ChaiScript_Basic(create_chaiscript_stdlib(), create_chaiscript_parser());
delete chai;
}
///////// Arithmetic Conversions
// Tests to make sure that type conversions happen only when they should
void arithmetic_conversions_f1(int) {}
void arithmetic_conversions_f4(std::string) {}
void arithmetic_conversions_f2(int) {}
void arithmetic_conversions_f3(double) {}
void arithmetic_conversions_f_func_return(const std::function<unsigned int(unsigned long)> &f) {
// test the ability to return an unsigned with auto conversion
f(4);
}
TEST_CASE("Test automatic arithmetic conversions") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::fun(&arithmetic_conversions_f1), "f1");
chai.add(chaiscript::fun(&arithmetic_conversions_f2), "f2");
chai.add(chaiscript::fun(&arithmetic_conversions_f3), "f2");
chai.add(chaiscript::fun(&arithmetic_conversions_f1), "f3");
chai.add(chaiscript::fun(&arithmetic_conversions_f4), "f3");
chai.add(chaiscript::fun(&arithmetic_conversions_f_func_return), "func_return");
// no overloads
chai.eval("f1(0)");
chai.eval("f1(0l)");
chai.eval("f1(0ul)");
chai.eval("f1(0ll)");
chai.eval("f1(0ull)");
chai.eval("f1(0.0)");
chai.eval("f1(0.0f)");
chai.eval("f1(0.0l)");
// expected overloads
chai.eval("f2(1)");
chai.eval("f2(1.0)");
// 1 non-arithmetic overload
chai.eval("f2(1.0)");
// various options for returning with conversions from chaiscript
chai.eval("func_return(fun(x) { return 5u; })");
chai.eval("func_return(fun(x) { return 5; })");
chai.eval("func_return(fun(x) { return 5.0f; })");
CHECK_THROWS(chai.eval("f2(1.0l)"));
}
/////// Exception handling
TEST_CASE("Generic exception handling with C++") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
try {
chai.eval("throw(runtime_error(\"error\"));");
REQUIRE(false);
} catch (const chaiscript::Boxed_Value &bv) {
const std::exception &e = chai.boxed_cast<const std::exception &>(bv);
CHECK(e.what() == std::string("error"));
}
}
TEST_CASE("Throw an int") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
try {
chai.eval("throw(1)", chaiscript::exception_specification<int>());
REQUIRE(false);
} catch (int e) {
CHECK(e == 1);
}
}
TEST_CASE("Throw int or double") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
try {
chai.eval("throw(1.0)", chaiscript::exception_specification<int, double>());
REQUIRE(false);
} catch (const double e) {
CHECK(e == Catch::Approx(1.0));
}
}
TEST_CASE("Deduction of pointer return types") {
int val = 5;
int *val_ptr = &val;
auto &val_ptr_ref = val_ptr;
const auto &val_ptr_const_ref = val_ptr;
auto get_val_ptr = [&]() -> int * { return val_ptr; };
auto get_val_const_ptr = [&]() -> int const * { return val_ptr; };
auto get_val_ptr_ref = [&]() -> int *& { return val_ptr_ref; };
auto get_val_ptr_const_ref = [&]() -> int *const & { return val_ptr_const_ref; };
// auto get_val_const_ptr_const_ref = [ref=std::cref(val_ptr)]() -> int const * const & { return ref.get(); };
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::fun(get_val_ptr), "get_val_ptr");
chai.add(chaiscript::fun(get_val_const_ptr), "get_val_const_ptr");
chai.add(chaiscript::fun(get_val_ptr_ref), "get_val_ptr_ref");
chai.add(chaiscript::fun(get_val_ptr_const_ref), "get_val_ptr_const_ref");
// chai.add(chaiscript::fun(get_val_const_ptr_const_ref), "get_val_const_ptr_const_ref");
CHECK(chai.eval<int *>("get_val_ptr()") == &val);
CHECK(*chai.eval<int *>("get_val_ptr()") == val);
CHECK(chai.eval<int const *>("get_val_const_ptr()") == &val);
CHECK(*chai.eval<int const *>("get_val_const_ptr()") == val);
// note that we cannot maintain the references here,
// chaiscript internals cannot handle that, effectively pointer to pointer
CHECK(chai.eval<int *>("get_val_ptr_ref()") == &val);
CHECK(*chai.eval<int *>("get_val_ptr_ref()") == val);
CHECK(chai.eval<int *>("get_val_ptr_const_ref()") == &val);
CHECK(*chai.eval<int *>("get_val_ptr_const_ref()") == val);
// CHECK(chai.eval<int const *>("get_val_const_ptr_const_ref()") == &val);
}
TEST_CASE("Throw a runtime_error") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
try {
chai.eval("throw(runtime_error(\"error\"))",
chaiscript::exception_specification<int, double, float, const std::string &, const std::exception &>());
REQUIRE(false);
} catch (const double) {
REQUIRE(false);
} catch (int) {
REQUIRE(false);
} catch (float) {
REQUIRE(false);
} catch (const std::string &) {
REQUIRE(false);
} catch (const std::exception &) {
REQUIRE(true);
}
}
TEST_CASE("Throw unhandled type") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
try {
chai.eval("throw(\"error\")", chaiscript::exception_specification<int, double, float, const std::exception &>());
REQUIRE(false);
} catch (double) {
REQUIRE(false);
} catch (int) {
REQUIRE(false);
} catch (float) {
REQUIRE(false);
} catch (const std::exception &) {
REQUIRE(false);
} catch (const chaiscript::Boxed_Value &) {
REQUIRE(true);
}
}
///////////// Tests to make sure no arity, dispatch or guard errors leak up past eval
int expected_eval_errors_test_one(const int &) {
return 1;
}
TEST_CASE("No unexpected exceptions leak") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::fun(&expected_eval_errors_test_one), "test_fun");
chai.eval("def guard_fun(i) : i.get_type_info().is_type_arithmetic() {} ");
//// Dot notation
// non-existent function
CHECK_THROWS_AS(chai.eval("\"test\".test_one()"), chaiscript::exception::eval_error);
// wrong parameter type
CHECK_THROWS_AS(chai.eval("\"test\".test_fun()"), chaiscript::exception::eval_error);
// wrong number of parameters
CHECK_THROWS_AS(chai.eval("\"test\".test_fun(1)"), chaiscript::exception::eval_error);
// guard failure
CHECK_THROWS_AS(chai.eval("\"test\".guard_fun()"), chaiscript::exception::eval_error);
// regular notation
// non-existent function
CHECK_THROWS_AS(chai.eval("test_one(\"test\")"), chaiscript::exception::eval_error);
// wrong parameter type
CHECK_THROWS_AS(chai.eval("test_fun(\"test\")"), chaiscript::exception::eval_error);
// wrong number of parameters
CHECK_THROWS_AS(chai.eval("test_fun(\"test\")"), chaiscript::exception::eval_error);
// guard failure
CHECK_THROWS_AS(chai.eval("guard_fun(\"test\")"), chaiscript::exception::eval_error);
// index operator
CHECK_THROWS_AS(chai.eval("var a = [1,2,3]; a[\"bob\"];"), chaiscript::exception::eval_error);
// unary operator
CHECK_THROWS_AS(chai.eval("++\"bob\""), chaiscript::exception::eval_error);
// binary operator
CHECK_THROWS_AS(chai.eval("\"bob\" + 1"), chaiscript::exception::eval_error);
}
//////// Tests to make sure that the order in which function dispatches occur is correct
#include <chaiscript/utility/utility.hpp>
int function_ordering_test_one(const int &) {
return 1;
}
int function_ordering_test_two(int &) {
return 2;
}
TEST_CASE("Function ordering") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.eval("def test_fun(x) { return 3; }");
chai.eval("def test_fun(x) : x == \"hi\" { return 4; }");
// chai.eval("def test_fun(x) { return 5; }");
chai.add(chaiscript::fun(&function_ordering_test_one), "test_fun");
chai.add(chaiscript::fun(&function_ordering_test_two), "test_fun");
CHECK(chai.eval<int>("test_fun(1)") == 1);
CHECK(chai.eval<int>("auto i = 1; test_fun(i)") == 2);
CHECK(chai.eval<int>("test_fun(\"bob\")") == 3);
CHECK(chai.eval<int>("test_fun(\"hi\")") == 4);
}
int functor_cast_test_call(const std::function<int(int)> &f, int val) {
return f(val);
}
TEST_CASE("Functor cast") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::fun(&functor_cast_test_call), "test_call");
chai.eval("def func(i) { return i * 6; };");
int d = chai.eval<int>("test_call(func, 3)");
CHECK(d == 3 * 6);
}
namespace {
int shared_ptr_callback_observed_value = 0;
void shared_ptr_callback_accept(const std::shared_ptr<int> &ptr) {
shared_ptr_callback_observed_value = ptr ? *ptr : 0;
}
void shared_ptr_callback_call(const std::function<void(const std::shared_ptr<int> &)> &func) {
func(std::make_shared<int>(42));
}
} // namespace
// Regression for https://github.com/ChaiScript/ChaiScript/issues/493 - shared_ptr
// arguments could not be round-tripped from C++ through a std::function-wrapped
// ChaiScript callback back into a C++ function expecting a shared_ptr.
TEST_CASE("shared_ptr passed through std::function callback") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
shared_ptr_callback_observed_value = 0;
chai.add(chaiscript::fun(&shared_ptr_callback_accept), "accept");
chai.add(chaiscript::fun(&shared_ptr_callback_call), "call");
CHECK_NOTHROW(chai.eval("call(accept)"));
CHECK(shared_ptr_callback_observed_value == 42);
}
TEST_CASE("Non-ASCII characters in the middle of string") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
CHECK_THROWS_AS(chai.eval<std::string>("prin\xeft \"Hello World\""), chaiscript::exception::eval_error);
}
TEST_CASE("Non-ASCII characters in the beginning of string") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
CHECK_THROWS_AS(chai.eval<std::string>("\xefprint \"Hello World\""), chaiscript::exception::eval_error);
}
TEST_CASE("Non-ASCII characters in the end of string") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
CHECK_THROWS_AS(chai.eval<std::string>("print \"Hello World\"\xef"), chaiscript::exception::eval_error);
}
TEST_CASE("BOM in string") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
CHECK_THROWS_AS(chai.eval<std::string>("\xef\xbb\xbfprint \"Hello World\""), chaiscript::exception::eval_error);
}
int set_state_test_myfun() {
return 2;
}
TEST_CASE("Set and restore chai state") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
// save the initial state of globals and locals
auto firststate = chai.get_state();
std::map<std::string, chaiscript::Boxed_Value> locals = chai.get_locals();
// add some new globals and locals
chai.add(chaiscript::var(1), "i");
chai.add(chaiscript::fun(&set_state_test_myfun), "myfun");
CHECK(chai.eval<int>("myfun()") == 2);
CHECK(chai.eval<int>("i") == 1);
chai.set_state(firststate);
// set state should have reverted the state of the functions and dropped
// the 'myfun'
CHECK_THROWS_AS(chai.eval<int>("myfun()"), chaiscript::exception::eval_error);
// set state should not affect the local variables
CHECK(chai.eval<int>("i") == 1);
// After resetting the locals we expect the 'i' to be gone
chai.set_locals(locals);
CHECK_THROWS_AS(chai.eval<int>("i"), chaiscript::exception::eval_error);
}
TEST_CASE("Get function objects from public API") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
// Add a custom function
chai.add(chaiscript::fun(&set_state_test_myfun), "myfun");
// get_function_objects should be accessible from the public API
auto funcs = chai.get_function_objects();
// Our custom function should be in the map
CHECK(funcs.count("myfun") == 1);
// Built-in functions should also be present
CHECK(funcs.count("to_string") == 1);
// The function should be callable
CHECK(chai.eval<int>("myfun()") == 2);
}
TEST_CASE("Get scripting objects from public API") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
// Define some variables in script
chai.eval("var x = 42");
chai.eval("var name = \"hello\"");
// get_scripting_objects should be accessible from the public API
auto objects = chai.get_scripting_objects();
// Our scripting variables should be in the map
CHECK(objects.count("x") == 1);
CHECK(objects.count("name") == 1);
// Verify the values are correct
CHECK(chaiscript::boxed_cast<int>(objects["x"]) == 42);
CHECK(chaiscript::boxed_cast<std::string>(objects["name"]) == "hello");
}
//// Short comparisons
class Short_Comparison_Test {
public:
Short_Comparison_Test()
: value_(5) {
}
short get_value() const { return value_; }
short value_;
};
TEST_CASE("Short comparison with int") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::user_type<Short_Comparison_Test>(), "Test");
chai.add(chaiscript::constructor<Short_Comparison_Test()>(), "Test");
chai.add(chaiscript::fun(&Short_Comparison_Test::get_value), "get_value");
chai.eval("auto &t = Test();");
CHECK(chai.eval<bool>("t.get_value() == 5"));
}
///// Test lookup of type names
class Type_Name_MyClass {
};
TEST_CASE("Test lookup of type names") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
auto type = chaiscript::user_type<Type_Name_MyClass>();
chai.add(type, "MyClass");
CHECK(chai.get_type_name(type) == "MyClass");
CHECK(chai.get_type_name<Type_Name_MyClass>() == "MyClass");
}
/////// make sure many chaiscript objects can exist simultaneously
int simultaneous_chaiscript_do_something(int i) {
return i + 2;
}
int simultaneous_chaiscript_do_something_else(int i) {
return i * 2;
}
TEST_CASE("Simultaneous ChaiScript tests") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::fun(&simultaneous_chaiscript_do_something), "do_something");
chai.add(chaiscript::var(1), "i");
for (int i = 0; i < 10; ++i) {
chaiscript::ChaiScript_Basic chai2(create_chaiscript_stdlib(), create_chaiscript_parser());
chai2.add(chaiscript::fun(&simultaneous_chaiscript_do_something_else), "do_something_else");
CHECK(chai.eval<int>("do_something(" + std::to_string(i) + ")") == i + 2);
CHECK(chai2.eval<int>("do_something_else(" + std::to_string(i) + ")") == i * 2);
CHECK_THROWS_AS(chai2.eval("do_something(1)"), chaiscript::exception::eval_error);
CHECK_THROWS_AS(chai2.eval("i"), chaiscript::exception::eval_error);
CHECK_NOTHROW(chai2.eval("do_something_else(1)"));
}
}
/////////////// test utility functions
class Utility_Test {
public:
void function() {}
std::string function2() { return "Function2"; }
void function3() {}
std::string functionOverload(double) { return "double"; }
std::string functionOverload(int) { return "int"; }
};
TEST_CASE("Utility_Test utility class wrapper") {
chaiscript::ModulePtr m = chaiscript::ModulePtr(new chaiscript::Module());
using namespace chaiscript;
/// \todo fix overload resolution for fun<>
chaiscript::utility::add_class<Utility_Test>(
*m,
"Utility_Test",
{constructor<Utility_Test()>(), constructor<Utility_Test(const Utility_Test &)>()},
{{fun(&Utility_Test::function), "function"},
{fun(&Utility_Test::function2), "function2"},
{fun(&Utility_Test::function3), "function3"},
{fun(static_cast<std::string (Utility_Test::*)(double)>(&Utility_Test::functionOverload)), "functionOverload"},
{fun(static_cast<std::string (Utility_Test::*)(int)>(&Utility_Test::functionOverload)), "functionOverload"},
{fun(static_cast<Utility_Test &(Utility_Test::*)(const Utility_Test &)>(&Utility_Test::operator=)), "="}
});
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(m);
CHECK(chai.eval<std::string>("auto t = Utility_Test(); t.function2(); ") == "Function2");
CHECK(chai.eval<std::string>("auto t2 = Utility_Test(); t2.functionOverload(1); ") == "int");
CHECK(chai.eval<std::string>("auto t3 = Utility_Test(); t3.functionOverload(1.1); ") == "double");
chai.eval("t = Utility_Test();");
}
///// Issue 612: fun<Sig>(&overloaded) should work for free and member function overloads
namespace issue_612 {
std::string free_overload(int) {
return "int";
}
std::string free_overload(double) {
return "double";
}
std::string free_overload(const std::string &, bool) {
return "string,bool";
}
class Issue_612_Class {
public:
std::string member_overload(int) { return "int"; }
std::string member_overload(double) { return "double"; }
std::string const_member_overload(int) const { return "const_int"; }
std::string const_member_overload(double) const { return "const_double"; }
};
} // namespace issue_612
TEST_CASE("Issue 612: fun<Signature> for overloaded free functions") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::fun<std::string(int)>(&issue_612::free_overload), "free_overload");
chai.add(chaiscript::fun<std::string(double)>(&issue_612::free_overload), "free_overload");
chai.add(chaiscript::fun<std::string(const std::string &, bool)>(&issue_612::free_overload), "free_overload");
CHECK(chai.eval<std::string>("free_overload(1)") == "int");
CHECK(chai.eval<std::string>("free_overload(1.5)") == "double");
CHECK(chai.eval<std::string>("free_overload(\"hi\", true)") == "string,bool");
}
TEST_CASE("Issue 612: fun<Signature> for overloaded member functions (pointer-to-member form)") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::user_type<issue_612::Issue_612_Class>(), "Issue_612_Class");
chai.add(chaiscript::constructor<issue_612::Issue_612_Class()>(), "Issue_612_Class");
chai.add(chaiscript::fun<std::string (issue_612::Issue_612_Class::*)(int)>(&issue_612::Issue_612_Class::member_overload),
"member_overload");
chai.add(chaiscript::fun<std::string (issue_612::Issue_612_Class::*)(double)>(&issue_612::Issue_612_Class::member_overload),
"member_overload");
chai.add(chaiscript::fun<std::string (issue_612::Issue_612_Class::*)(int) const>(&issue_612::Issue_612_Class::const_member_overload),
"const_member_overload");
chai.add(chaiscript::fun<std::string (issue_612::Issue_612_Class::*)(double) const>(&issue_612::Issue_612_Class::const_member_overload),
"const_member_overload");
chai.eval("var t = Issue_612_Class();");
CHECK(chai.eval<std::string>("t.member_overload(1)") == "int");
CHECK(chai.eval<std::string>("t.member_overload(1.5)") == "double");
CHECK(chai.eval<std::string>("t.const_member_overload(1)") == "const_int");
CHECK(chai.eval<std::string>("t.const_member_overload(1.5)") == "const_double");
}
TEST_CASE("Issue 612: fun<Signature> for overloaded member functions (function-type form)") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::user_type<issue_612::Issue_612_Class>(), "Issue_612_Class");
chai.add(chaiscript::constructor<issue_612::Issue_612_Class()>(), "Issue_612_Class");
chai.add(chaiscript::fun<std::string(int)>(&issue_612::Issue_612_Class::member_overload), "member_overload");
chai.add(chaiscript::fun<std::string(double)>(&issue_612::Issue_612_Class::member_overload), "member_overload");
chai.add(chaiscript::fun<std::string(int) const>(&issue_612::Issue_612_Class::const_member_overload), "const_member_overload");
chai.add(chaiscript::fun<std::string(double) const>(&issue_612::Issue_612_Class::const_member_overload), "const_member_overload");
chai.eval("var t = Issue_612_Class();");
CHECK(chai.eval<std::string>("t.member_overload(1)") == "int");
CHECK(chai.eval<std::string>("t.member_overload(1.5)") == "double");
CHECK(chai.eval<std::string>("t.const_member_overload(1)") == "const_int");
CHECK(chai.eval<std::string>("t.const_member_overload(1.5)") == "const_double");
}
enum Utility_Test_Numbers {
ONE,
TWO,
THREE
};
void do_something_with_enum_vector(const std::vector<Utility_Test_Numbers> &v) {
CHECK(v.size() == 3);
CHECK(v[0] == ONE);
CHECK(v[1] == THREE);
CHECK(v[2] == TWO);
}
TEST_CASE("Utility_Test utility class wrapper for enum") {
chaiscript::ModulePtr m = chaiscript::ModulePtr(new chaiscript::Module());
using namespace chaiscript;
chaiscript::utility::add_class<Utility_Test_Numbers>(*m,
"Utility_Test_Numbers",
{{ONE, "ONE"}, {TWO, "TWO"}, {THREE, "THREE"}
});
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(m);
CHECK(chai.eval<Utility_Test_Numbers>("ONE ") == 0);
CHECK(chai.eval<Utility_Test_Numbers>("TWO ") == 1);
CHECK(chai.eval<Utility_Test_Numbers>("THREE ") == 2);
CHECK(chai.eval<bool>("ONE == 0"));
chai.add(chaiscript::fun(&do_something_with_enum_vector), "do_something_with_enum_vector");
chai.add(chaiscript::vector_conversion<std::vector<Utility_Test_Numbers>>());
CHECK_NOTHROW(chai.eval("var a = [ONE, TWO, THREE]"));
CHECK_NOTHROW(chai.eval("do_something_with_enum_vector([ONE, THREE, TWO])"));
CHECK_NOTHROW(chai.eval("[ONE]"));
const auto v = chai.eval<std::vector<Utility_Test_Numbers>>("a");
CHECK(v.size() == 3);
CHECK(v.at(1) == TWO);
CHECK(chai.eval<bool>("ONE == ONE"));
CHECK(chai.eval<bool>("ONE != TWO"));
CHECK_NOTHROW(chai.eval("var o = ONE; o = TWO"));
}
// Issue #601: add_class for enums should work directly with ChaiScript reference
enum class Issue601_EnumClass { Apple,
Banana,
Pear };
TEST_CASE("Issue 601: add_class enum with ChaiScript reference directly") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
// This should compile and work — previously it failed because the operator
// functions in chaiscript::bootstrap::operators hardcoded Module& as their
// first parameter instead of using a template parameter.
chaiscript::utility::add_class<Issue601_EnumClass>(chai,
"Issue601_EnumClass",
{{Issue601_EnumClass::Apple, "Apple"},
{Issue601_EnumClass::Banana, "Banana"},
{Issue601_EnumClass::Pear, "Pear"}});
CHECK(chai.eval<bool>("Apple == Apple"));
CHECK(chai.eval<bool>("Apple != Banana"));
CHECK_NOTHROW(chai.eval("var e = Apple; e = Pear"));
CHECK(chai.eval<Issue601_EnumClass>("Banana") == Issue601_EnumClass::Banana);
}
// Also test non-scoped enum directly with ChaiScript reference
enum Issue601_PlainEnum { Issue601_Red = 0,
Issue601_Green = 1,
Issue601_Blue = 2 };
TEST_CASE("Issue 601: add_class plain enum with ChaiScript reference directly") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chaiscript::utility::add_class<Issue601_PlainEnum>(chai,
"Issue601_PlainEnum",
{{Issue601_Red, "Red"},
{Issue601_Green, "Green"},
{Issue601_Blue, "Blue"}});
CHECK(chai.eval<bool>("Red == Red"));
CHECK(chai.eval<bool>("Red == 0"));
CHECK(chai.eval<bool>("Red != Green"));
CHECK_NOTHROW(chai.eval("var c = Red; c = Blue"));
}
////// Object copy count test
class Object_Copy_Count_Test {
public:
Object_Copy_Count_Test() {
std::cout << "Object_Copy_Count_Test()\n";
++constructcount();
}
Object_Copy_Count_Test(const Object_Copy_Count_Test &) {
std::cout << "Object_Copy_Count_Test(const Object_Copy_Count_Test &)\n";
++copycount();
}
Object_Copy_Count_Test(Object_Copy_Count_Test &&) {
std::cout << "Object_Copy_Count_Test(Object_Copy_Count_Test &&)\n";
++movecount();
}
~Object_Copy_Count_Test() {
std::cout << "~Object_Copy_Count_Test()\n";
++destructcount();
}
static int &constructcount() {
static int c = 0;
return c;
}
static int ©count() {
static int c = 0;
return c;
}
static int &movecount() {
static int c = 0;
return c;
}
static int &destructcount() {
static int c = 0;
return c;
}
};
Object_Copy_Count_Test object_copy_count_create() {
return Object_Copy_Count_Test();
}
TEST_CASE("Object copy counts") {
chaiscript::ModulePtr m = chaiscript::ModulePtr(new chaiscript::Module());
m->add(chaiscript::user_type<Object_Copy_Count_Test>(), "Object_Copy_Count_Test");
m->add(chaiscript::constructor<Object_Copy_Count_Test()>(), "Object_Copy_Count_Test");
m->add(chaiscript::constructor<Object_Copy_Count_Test(const Object_Copy_Count_Test &)>(), "Object_Copy_Count_Test");
m->add(chaiscript::fun(&object_copy_count_create), "create");
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(m);
chai.eval(" { auto i = create(); } ");
CHECK(Object_Copy_Count_Test::copycount() == 0);
CHECK(Object_Copy_Count_Test::constructcount() == 1);
CHECK(Object_Copy_Count_Test::destructcount() == 2);
CHECK(Object_Copy_Count_Test::movecount() == 1);
}
///////////////////// Object lifetime test 1
class Object_Lifetime_Test {
public:
Object_Lifetime_Test() { ++count(); }
Object_Lifetime_Test(const Object_Lifetime_Test &) { ++count(); }
~Object_Lifetime_Test() { --count(); }
static int &count() {
static int c = 0;
return c;
}
};
TEST_CASE("Object lifetime tests") {
chaiscript::ModulePtr m = chaiscript::ModulePtr(new chaiscript::Module());
m->add(chaiscript::user_type<Object_Lifetime_Test>(), "Object_Lifetime_Test");
m->add(chaiscript::constructor<Object_Lifetime_Test()>(), "Object_Lifetime_Test");
m->add(chaiscript::constructor<Object_Lifetime_Test(const Object_Lifetime_Test &)>(), "Object_Lifetime_Test");
m->add(chaiscript::fun(&Object_Lifetime_Test::count), "count");
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(m);
CHECK(chai.eval<int>("count()") == 0);
CHECK(chai.eval<int>("auto i = 0; { auto t = Object_Lifetime_Test(); } return i;") == 0);
CHECK(chai.eval<int>("i = 0; { auto t = Object_Lifetime_Test(); i = count(); } return i;") == 1);
CHECK(chai.eval<int>("i = 0; { auto t = Object_Lifetime_Test(); { auto t2 = Object_Lifetime_Test(); i = count(); } } return i;") == 2);
CHECK(chai.eval<int>("i = 0; { auto t = Object_Lifetime_Test(); { auto t2 = Object_Lifetime_Test(); } i = count(); } return i;") == 1);
CHECK(chai.eval<int>("i = 0; { auto t = Object_Lifetime_Test(); { auto t2 = Object_Lifetime_Test(); } } i = count(); return i;") == 0);
}
//// Object lifetime tests 2
template<typename T>
struct Object_Lifetime_Vector2 {
Object_Lifetime_Vector2()
: x(0)
, y(0) {
}
Object_Lifetime_Vector2(T px, T py)
: x(px)
, y(py) {
}
Object_Lifetime_Vector2(const Object_Lifetime_Vector2 &cp) noexcept
: x(cp.x)
, y(cp.y) {
}
Object_Lifetime_Vector2 &operator+=(const Object_Lifetime_Vector2 &vec_r) {
x += vec_r.x;
y += vec_r.y;
return *this;
}
Object_Lifetime_Vector2 operator+(const Object_Lifetime_Vector2 &vec_r) { return Object_Lifetime_Vector2(*this += vec_r); }
Object_Lifetime_Vector2 &operator=(const Object_Lifetime_Vector2 &ver_r) {
x = ver_r.x;
y = ver_r.y;
return *this;
}
T x;
T y;
};
Object_Lifetime_Vector2<float> Object_Lifetime_Vector2_GetValue() {
return Object_Lifetime_Vector2<float>(10, 15);
}
TEST_CASE("Object lifetime test 2") {
chaiscript::ChaiScript_Basic _script(create_chaiscript_stdlib(), create_chaiscript_parser());
// Registering stuff
_script.add(chaiscript::user_type<Object_Lifetime_Vector2<float>>(), "Object_Lifetime_Vector2f");
_script.add(chaiscript::constructor<Object_Lifetime_Vector2<float>()>(), "Object_Lifetime_Vector2f");
_script.add(chaiscript::constructor<Object_Lifetime_Vector2<float>(float, float)>(), "Object_Lifetime_Vector2f");
_script.add(chaiscript::constructor<Object_Lifetime_Vector2<float>(const Object_Lifetime_Vector2<float> &)>(), "Object_Lifetime_Vector2f");
_script.add(chaiscript::fun(&Object_Lifetime_Vector2<float>::x), "x");
_script.add(chaiscript::fun(&Object_Lifetime_Vector2<float>::y), "y");
_script.add(chaiscript::fun(&Object_Lifetime_Vector2<float>::operator+), "+");
_script.add(chaiscript::fun(&Object_Lifetime_Vector2<float>::operator+=), "+=");
_script.add(chaiscript::fun(&Object_Lifetime_Vector2<float>::operator=), "=");
_script.add(chaiscript::fun(&Object_Lifetime_Vector2_GetValue), "getValue");
_script.eval(R"(
var test = 0.0
var test2 = Object_Lifetime_Vector2f(10,10)
test = getValue().x
print(test)
print(test2.x)
)");
CHECK(_script.eval<std::string>("to_string(test)") == "10");
CHECK(_script.eval<std::string>("to_string(test2.x)") == "10");
}
///// Non-polymorphic base class conversions
class Non_Poly_Base {
};
class Non_Poly_Derived : public Non_Poly_Base {
};
int myfunction(Non_Poly_Base *) {
return 2;
}
TEST_CASE("Test Derived->Base with non-polymorphic classes") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::base_class<Non_Poly_Base, Non_Poly_Derived>());
Non_Poly_Derived d;
chai.add(chaiscript::var(&d), "d");
chai.add(chaiscript::fun(&myfunction), "myfunction");
CHECK(chai.eval<int>("myfunction(d)") == 2);
}
struct TestCppVariableScope {
void print() { std::cout << "Printed" << std::endl; }
};
TEST_CASE("Variable Scope When Calling From C++") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::user_type<TestCppVariableScope>(), "Test");
chai.add(chaiscript::constructor<TestCppVariableScope()>(), "Test");
chai.add(chaiscript::fun(&TestCppVariableScope::print), "print");
chai.eval(R"(var t := Test();
def func()
{
t.print();
}
)");
CHECK_THROWS(chai.eval("func()"));
chai.eval("dump_object(t)");
auto func = chai.eval<std::function<void()>>("func");
CHECK_THROWS(func());
}
TEST_CASE("Variable Scope When Calling From C++ 2") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.eval("var obj = 2;");
auto func = chai.eval<std::function<void()>>("fun(){ return obj; }");
CHECK_THROWS(func());
}
void ulonglong(unsigned long long i) {
std::cout << i << '\n';
}
void longlong(long long i) {
std::cout << i << '\n';
}
TEST_CASE("Test long long dispatch") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::fun(&longlong), "longlong");
chai.add(chaiscript::fun(&ulonglong), "ulonglong");
chai.eval("longlong(15)");
chai.eval("ulonglong(15)");
}
struct Returned_Converted_Config {
int num_iterations;
int something_else;
std::string a_string;
std::function<int(const std::string &)> a_function;
};
TEST_CASE("Return of converted type from script") {
chaiscript::ChaiScript_Basic chai(create_chaiscript_stdlib(), create_chaiscript_parser());
chai.add(chaiscript::constructor<Returned_Converted_Config()>(), "Returned_Converted_Config");
chai.add(chaiscript::fun(&Returned_Converted_Config::num_iterations), "num_iterations");
chai.add(chaiscript::fun(&Returned_Converted_Config::something_else), "something_else");
chai.add(chaiscript::fun(&Returned_Converted_Config::a_string), "a_string");
chai.add(chaiscript::fun(&Returned_Converted_Config::a_function), "a_function");