Files
simgear/simgear/nasal/cppbind/cppbind_test.cxx
2013-02-28 23:43:42 +01:00

217 lines
6.3 KiB
C++

#include <simgear/math/SGMath.hxx>
#include "Ghost.hxx"
#include "NasalHash.hxx"
#include "NasalString.hxx"
#include <boost/shared_ptr.hpp>
#include <cstring>
#include <iostream>
#define VERIFY(a) \
if( !(a) ) \
{ \
std::cerr << "failed: line " << __LINE__ << ": " << #a << std::endl; \
return 1; \
}
struct Base
{
naRef member(const nasal::CallContext&) { return naNil(); }
virtual ~Base(){};
std::string getString() const { return ""; }
void setString(const std::string&) {}
std::string var;
const std::string& getVar() const { return var; }
void setVar(const std::string v) { var = v; }
};
struct Derived:
public Base
{
int _x;
int getX() const { return _x; }
void setX(int x) { _x = x; }
};
struct DoubleDerived:
public Derived
{
};
struct DoubleDerived2:
public Derived
{
};
typedef boost::shared_ptr<Base> BasePtr;
typedef boost::shared_ptr<Derived> DerivedPtr;
typedef boost::shared_ptr<DoubleDerived> DoubleDerivedPtr;
typedef boost::shared_ptr<DoubleDerived2> DoubleDerived2Ptr;
naRef member(Derived&, const nasal::CallContext&) { return naNil(); }
naRef f_derivedGetX(naContext c, const Derived& d)
{
return nasal::to_nasal(c, d.getX());
}
int main(int argc, char* argv[])
{
naContext c = naNewContext();
naRef r;
using namespace nasal;
r = to_nasal(c, "Test");
VERIFY( strncmp("Test", naStr_data(r), naStr_len(r)) == 0 );
VERIFY( from_nasal<std::string>(c, r) == "Test" );
r = to_nasal(c, std::string("Test"));
VERIFY( strncmp("Test", naStr_data(r), naStr_len(r)) == 0 );
VERIFY( from_nasal<std::string>(c, r) == "Test" );
r = to_nasal(c, 42);
VERIFY( naNumValue(r).num == 42 );
VERIFY( from_nasal<int>(c, r) == 42 );
r = to_nasal(c, 4.2f);
VERIFY( naNumValue(r).num == 4.2f );
VERIFY( from_nasal<float>(c, r) == 4.2f );
float test_data[3] = {0, 4, 2};
r = to_nasal(c, test_data);
SGVec2f vec(0,2);
r = to_nasal(c, vec);
VERIFY( from_nasal<SGVec2f>(c, r) == vec );
std::vector<int> std_vec;
r = to_nasal(c, std_vec);
r = to_nasal(c, "string");
try
{
from_nasal<int>(c, r);
std::cerr << "failed: Expected bad_nasal_cast to be thrown" << std::endl;
return 1;
}
catch(nasal::bad_nasal_cast&)
{}
Hash hash(c);
hash.set("vec", r);
hash.set("vec2", vec);
hash.set("name", "my-name");
hash.set("string", std::string("blub"));
r = to_nasal(c, hash);
VERIFY( naIsHash(r) );
VERIFY( hash.get<std::string>("name") == "my-name" );
VERIFY( naIsString(hash.get("name")) );
Hash mod = hash.createHash("mod");
mod.set("parent", hash);
String string( to_nasal(c, "Test") );
VERIFY( from_nasal<std::string>(c, string.get_naRef()) == "Test" );
VERIFY( string.c_str() == std::string("Test") );
VERIFY( string.starts_with(string) );
VERIFY( string.starts_with(String(c, "T")) );
VERIFY( string.starts_with(String(c, "Te")) );
VERIFY( string.starts_with(String(c, "Tes")) );
VERIFY( string.starts_with(String(c, "Test")) );
VERIFY( !string.starts_with(String(c, "Test1")) );
VERIFY( !string.starts_with(String(c, "bb")) );
VERIFY( !string.starts_with(String(c, "bbasdasdafasd")) );
VERIFY( string.find('e') == 1 );
VERIFY( string.find('9') == String::npos );
VERIFY( string.find_first_of(String(c, "st")) == 2 );
VERIFY( string.find_first_of(String(c, "st"), 3) == 3 );
VERIFY( string.find_first_of(String(c, "xyz")) == String::npos );
VERIFY( string.find_first_not_of(String(c, "Tst")) == 1 );
VERIFY( string.find_first_not_of(String(c, "Tse"), 2) == 3 );
VERIFY( string.find_first_not_of(String(c, "abc")) == 0 );
VERIFY( string.find_first_not_of(String(c, "abc"), 20) == String::npos );
Ghost<BasePtr>::init("BasePtr")
.method<&Base::member>("member")
.member("str", &Base::getString, &Base::setString)
.member("var_r", &Base::getVar)
.member("var_w", &Base::setVar)
.member("var", &Base::getVar, &Base::setVar);
Ghost<DerivedPtr>::init("DerivedPtr")
.bases<BasePtr>()
.member("x", &Derived::getX, &Derived::setX)
.member("x_alternate", &f_derivedGetX)
.method_func<&member>("free_member");
Ghost<DoubleDerivedPtr>::init("DoubleDerivedPtr")
.bases<DerivedPtr>();
Ghost<DoubleDerived2Ptr>::init("DoubleDerived2Ptr")
.bases< Ghost<DerivedPtr> >();
BasePtr d( new Derived );
naRef derived = Ghost<BasePtr>::create(c, d);
VERIFY( naIsGhost(derived) );
VERIFY( std::string("DerivedPtr") == naGhost_type(derived)->name );
BasePtr d2( new DoubleDerived );
derived = Ghost<BasePtr>::create(c, d2);
VERIFY( naIsGhost(derived) );
VERIFY( std::string("DoubleDerivedPtr") == naGhost_type(derived)->name );
BasePtr d3( new DoubleDerived2 );
derived = Ghost<BasePtr>::create(c, d3);
VERIFY( naIsGhost(derived) );
VERIFY( std::string("DoubleDerived2Ptr") == naGhost_type(derived)->name );
VERIFY( Ghost<BasePtr>::isBaseOf(derived) );
VERIFY( Ghost<DerivedPtr>::isBaseOf(derived) );
VERIFY( Ghost<DoubleDerived2Ptr>::isBaseOf(derived) );
VERIFY( Ghost<BasePtr>::fromNasal(c, derived) == d3 );
VERIFY( Ghost<BasePtr>::fromNasal(c, derived) != d2 );
VERIFY( Ghost<DerivedPtr>::fromNasal(c, derived)
== boost::dynamic_pointer_cast<Derived>(d3) );
VERIFY( Ghost<DoubleDerived2Ptr>::fromNasal(c, derived)
== boost::dynamic_pointer_cast<DoubleDerived2>(d3) );
VERIFY( !Ghost<DoubleDerivedPtr>::fromNasal(c, derived) );
// Check converting to Ghost if using Nasal hashes with actual ghost inside
// the hashes parents vector
std::vector<naRef> parents;
parents.push_back(hash.get_naRef());
parents.push_back(derived);
Hash obj(c);
obj.set("parents", parents);
VERIFY( Ghost<BasePtr>::fromNasal(c, obj.get_naRef()) == d3 );
// Check recursive parents (aka parent-of-parent)
std::vector<naRef> parents2;
parents2.push_back(obj.get_naRef());
Hash derived_obj(c);
derived_obj.set("parents", parents2);
VERIFY( Ghost<BasePtr>::fromNasal(c, derived_obj.get_naRef()) == d3 );
naRef args[] = {
to_nasal(c, std::string("test-arg"))
};
CallContext cc(c, sizeof(args)/sizeof(args[0]), args);
VERIFY( cc.requireArg<std::string>(0) == "test-arg" );
VERIFY( cc.getArg<std::string>(0) == "test-arg" );
VERIFY( cc.getArg<std::string>(1) == "" );
naRef args_vec = nasal::to_nasal(c, args);
VERIFY( naIsVector(args_vec) );
// TODO actually do something with the ghosts...
naFreeContext(c);
return 0;
}