1 #include <simgear/math/SGMath.hxx>
4 #include "NasalHash.hxx"
5 #include "NasalString.hxx"
7 #include <boost/shared_ptr.hpp>
8 #include <boost/weak_ptr.hpp>
16 std::cerr << "failed: line " << __LINE__ << ": " << #a << std::endl; \
28 naRef member(const nasal::CallContext&) { return naNil(); }
31 std::string getString() const { return ""; }
32 void setString(const std::string&) {}
33 void constVoidFunc() const {}
34 size_t test1Arg(const std::string& str) const { return str.length(); }
35 bool test2Args(const std::string& s, bool c) { return c && s.empty(); }
38 const std::string& getVar() const { return var; }
39 void setVar(const std::string v) { var = v; }
42 void baseVoidFunc(Base& b) {}
43 void baseConstVoidFunc(const Base& b) {}
44 size_t baseFunc2Args(Base& b, int x, const std::string& s) { return x + s.size(); }
45 std::string testPtr(Base& b) { return b.getString(); }
46 void baseFuncCallContext(const Base&, const nasal::CallContext&) {}
52 int getX() const { return _x; }
53 void setX(int x) { _x = x; }
61 typedef boost::shared_ptr<Base> BasePtr;
62 typedef std::vector<BasePtr> BaseVec;
64 struct DoubleDerived2:
67 const BasePtr& getBase() const{return _base;}
69 BaseVec doSomeBaseWork(const BaseVec& v) { return v; }
72 class SGReferenceBasedClass:
78 typedef boost::shared_ptr<Derived> DerivedPtr;
79 typedef boost::shared_ptr<DoubleDerived> DoubleDerivedPtr;
80 typedef boost::shared_ptr<DoubleDerived2> DoubleDerived2Ptr;
81 typedef SGSharedPtr<SGReferenceBasedClass> SGRefBasedPtr;
83 typedef boost::weak_ptr<Derived> DerivedWeakPtr;
85 naRef derivedFreeMember(Derived&, const nasal::CallContext&) { return naNil(); }
86 naRef f_derivedGetX(naContext c, const Derived& d)
88 return nasal::to_nasal(c, d.getX());
90 naRef f_freeFunction(nasal::CallContext c) { return c.requireArg<naRef>(0); }
92 int main(int argc, char* argv[])
94 naContext c = naNewContext();
97 using namespace nasal;
99 r = to_nasal(c, ENUM_ANOTHER);
100 VERIFY( from_nasal<int>(c, r) == ENUM_ANOTHER );
102 r = to_nasal(c, "Test");
103 VERIFY( strncmp("Test", naStr_data(r), naStr_len(r)) == 0 );
104 VERIFY( from_nasal<std::string>(c, r) == "Test" );
106 r = to_nasal(c, std::string("Test"));
107 VERIFY( strncmp("Test", naStr_data(r), naStr_len(r)) == 0 );
108 VERIFY( from_nasal<std::string>(c, r) == "Test" );
111 VERIFY( naNumValue(r).num == 42 );
112 VERIFY( from_nasal<int>(c, r) == 42 );
114 r = to_nasal(c, 4.2f);
115 VERIFY( naNumValue(r).num == 4.2f );
116 VERIFY( from_nasal<float>(c, r) == 4.2f );
118 float test_data[3] = {0, 4, 2};
119 r = to_nasal(c, test_data);
122 r = to_nasal(c, vec);
123 VERIFY( from_nasal<SGVec2f>(c, r) == vec );
125 std::vector<int> std_vec;
126 r = to_nasal(c, std_vec);
128 r = to_nasal(c, "string");
131 from_nasal<int>(c, r);
133 std::cerr << "failed: Expected bad_nasal_cast to be thrown" << std::endl;
136 catch(nasal::bad_nasal_cast&)
141 hash.set("vec2", vec);
142 hash.set("name", "my-name");
143 hash.set("string", std::string("blub"));
144 hash.set("func", &f_freeFunction);
146 r = to_nasal(c, hash);
147 VERIFY( naIsHash(r) );
149 VERIFY( hash.get<std::string>("name") == "my-name" );
150 VERIFY( naIsString(hash.get("name")) );
152 Hash mod = hash.createHash("mod");
153 mod.set("parent", hash);
156 // 'func' is a C++ function registered to Nasal and now converted back to C++
157 boost::function<int (int)> f = hash.get<int (int)>("func");
161 boost::function<std::string (int)> fs = hash.get<std::string (int)>("func");
163 VERIFY( fs(14) == "14" );
165 typedef boost::function<void (int)> FuncVoidInt;
166 FuncVoidInt fvi = hash.get<FuncVoidInt>("func");
170 typedef boost::function<std::string (const std::string&, int, float)> FuncMultiArg;
171 FuncMultiArg fma = hash.get<FuncMultiArg>("func");
173 VERIFY( fma("test", 3, .5) == "test" );
175 //----------------------------------------------------------------------------
176 // Test exposing classes to Nasal
177 //----------------------------------------------------------------------------
179 Ghost<BasePtr>::init("BasePtr")
180 .method("member", &Base::member)
181 .method("strlen", &Base::test1Arg)
182 .member("str", &Base::getString, &Base::setString)
183 .method("str_m", &Base::getString)
184 .method("void", &Base::constVoidFunc)
185 .member("var_r", &Base::getVar)
186 .member("var_w", &Base::setVar)
187 .member("var", &Base::getVar, &Base::setVar)
188 .method("void", &baseVoidFunc)
189 .method("void_c", &baseConstVoidFunc)
190 .method("int2args", &baseFunc2Args)
191 .method("bool2args", &Base::test2Args)
192 .method("str_ptr", &testPtr);
193 Ghost<DerivedPtr>::init("DerivedPtr")
195 .member("x", &Derived::getX, &Derived::setX)
196 .member("x_alternate", &f_derivedGetX)
197 .method("free_fn", &derivedFreeMember)
198 .method("free_member", &derivedFreeMember)
199 .method("baseDoIt", &baseFuncCallContext);
200 Ghost<DoubleDerivedPtr>::init("DoubleDerivedPtr")
201 .bases<DerivedPtr>();
202 Ghost<DoubleDerived2Ptr>::init("DoubleDerived2Ptr")
203 .bases< Ghost<DerivedPtr> >()
204 .member("base", &DoubleDerived2::getBase)
205 .method("doIt", &DoubleDerived2::doSomeBaseWork);
207 Ghost<DerivedWeakPtr>::init("DerivedWeakPtr");
208 Ghost<SGRefBasedPtr>::init("SGRefBasedPtr");
210 VERIFY( Ghost<BasePtr>::isInit() );
211 nasal::to_nasal(c, DoubleDerived2Ptr());
213 BasePtr d( new Derived );
214 naRef derived = to_nasal(c, d);
215 VERIFY( naIsGhost(derived) );
216 VERIFY( std::string("DerivedPtr") == naGhost_type(derived)->name );
218 BasePtr d2( new DoubleDerived );
219 derived = to_nasal(c, d2);
220 VERIFY( naIsGhost(derived) );
221 VERIFY( std::string("DoubleDerivedPtr") == naGhost_type(derived)->name );
223 BasePtr d3( new DoubleDerived2 );
224 derived = to_nasal(c, d3);
225 VERIFY( naIsGhost(derived) );
226 VERIFY( std::string("DoubleDerived2Ptr") == naGhost_type(derived)->name );
228 SGRefBasedPtr ref_based( new SGReferenceBasedClass );
229 naRef na_ref_based = to_nasal(c, ref_based.get());
230 VERIFY( naIsGhost(na_ref_based) );
231 VERIFY( from_nasal<SGReferenceBasedClass*>(c, na_ref_based)
232 == ref_based.get() );
233 VERIFY( from_nasal<SGRefBasedPtr>(c, na_ref_based) == ref_based );
235 VERIFY( Ghost<BasePtr>::isBaseOf(derived) );
236 VERIFY( Ghost<DerivedPtr>::isBaseOf(derived) );
237 VERIFY( Ghost<DoubleDerived2Ptr>::isBaseOf(derived) );
239 VERIFY( from_nasal<BasePtr>(c, derived) == d3 );
240 VERIFY( from_nasal<BasePtr>(c, derived) != d2 );
241 VERIFY( from_nasal<DerivedPtr>(c, derived)
242 == boost::dynamic_pointer_cast<Derived>(d3) );
243 VERIFY( from_nasal<DoubleDerived2Ptr>(c, derived)
244 == boost::dynamic_pointer_cast<DoubleDerived2>(d3) );
245 VERIFY( !from_nasal<DoubleDerivedPtr>(c, derived) );
247 std::map<std::string, BasePtr> instances;
248 VERIFY( naIsHash(to_nasal(c, instances)) );
250 std::map<std::string, DerivedPtr> instances_d;
251 VERIFY( naIsHash(to_nasal(c, instances_d)) );
253 std::map<std::string, int> int_map;
254 VERIFY( naIsHash(to_nasal(c, int_map)) );
256 std::map<std::string, std::vector<int> > int_vector_map;
257 VERIFY( naIsHash(to_nasal(c, int_vector_map)) );
259 // Check converting to Ghost if using Nasal hashes with actual ghost inside
260 // the hashes parents vector
261 std::vector<naRef> parents;
262 parents.push_back(hash.get_naRef());
263 parents.push_back(derived);
266 obj.set("parents", parents);
267 VERIFY( from_nasal<BasePtr>(c, obj.get_naRef()) == d3 );
269 // Check recursive parents (aka parent-of-parent)
270 std::vector<naRef> parents2;
271 parents2.push_back(obj.get_naRef());
273 derived_obj.set("parents", parents2);
274 VERIFY( from_nasal<BasePtr>(c, derived_obj.get_naRef()) == d3 );
276 std::vector<naRef> nasal_objects;
277 nasal_objects.push_back( Ghost<BasePtr>::create(c, d) );
278 nasal_objects.push_back( Ghost<BasePtr>::create(c, d2) );
279 nasal_objects.push_back( Ghost<BasePtr>::create(c, d3) );
280 naRef obj_vec = to_nasal(c, nasal_objects);
282 std::vector<BasePtr> objects = from_nasal<std::vector<BasePtr> >(c, obj_vec);
283 VERIFY( objects[0] == d );
284 VERIFY( objects[1] == d2 );
285 VERIFY( objects[2] == d3 );
287 // TODO actually do something with the ghosts...
289 //----------------------------------------------------------------------------
290 // Test nasal::CallContext
291 //----------------------------------------------------------------------------
294 int int_vec[] = {1,2,3};
295 std::map<std::string, std::string> map;
297 to_nasal(c, std::string("test-arg")),
299 to_nasal(c, int_vec),
302 CallContext cc(c, sizeof(args)/sizeof(args[0]), args);
303 VERIFY( cc.requireArg<std::string>(0) == "test-arg" );
304 VERIFY( cc.getArg<std::string>(0) == "test-arg" );
305 VERIFY( cc.getArg<std::string>(10) == "" );
306 VERIFY( cc.isString(0) );
307 VERIFY( !cc.isNumeric(0) );
308 VERIFY( !cc.isVector(0) );
309 VERIFY( !cc.isHash(0) );
310 VERIFY( !cc.isGhost(0) );
311 VERIFY( cc.isNumeric(1) );
312 VERIFY( cc.isVector(2) );
313 VERIFY( cc.isHash(3) );
315 naRef args_vec = nasal::to_nasal(c, args);
316 VERIFY( naIsVector(args_vec) );
318 //----------------------------------------------------------------------------
319 // Test nasal::String
320 //----------------------------------------------------------------------------
322 String string( to_nasal(c, "Test") );
323 VERIFY( from_nasal<std::string>(c, string.get_naRef()) == "Test" );
324 VERIFY( string.c_str() == std::string("Test") );
325 VERIFY( string.starts_with(string) );
326 VERIFY( string.starts_with(String(c, "T")) );
327 VERIFY( string.starts_with(String(c, "Te")) );
328 VERIFY( string.starts_with(String(c, "Tes")) );
329 VERIFY( string.starts_with(String(c, "Test")) );
330 VERIFY( !string.starts_with(String(c, "Test1")) );
331 VERIFY( !string.starts_with(String(c, "bb")) );
332 VERIFY( !string.starts_with(String(c, "bbasdasdafasd")) );
333 VERIFY( string.ends_with(String(c, "t")) );
334 VERIFY( string.ends_with(String(c, "st")) );
335 VERIFY( string.ends_with(String(c, "est")) );
336 VERIFY( string.ends_with(String(c, "Test")) );
337 VERIFY( !string.ends_with(String(c, "1Test")) );
338 VERIFY( !string.ends_with(String(c, "abc")) );
339 VERIFY( !string.ends_with(String(c, "estasdasd")) );
340 VERIFY( string.find('e') == 1 );
341 VERIFY( string.find('9') == String::npos );
342 VERIFY( string.find_first_of(String(c, "st")) == 2 );
343 VERIFY( string.find_first_of(String(c, "st"), 3) == 3 );
344 VERIFY( string.find_first_of(String(c, "xyz")) == String::npos );
345 VERIFY( string.find_first_not_of(String(c, "Tst")) == 1 );
346 VERIFY( string.find_first_not_of(String(c, "Tse"), 2) == 3 );
347 VERIFY( string.find_first_not_of(String(c, "abc")) == 0 );
348 VERIFY( string.find_first_not_of(String(c, "abc"), 20) == String::npos );