1 #include <simgear/math/SGMath.hxx>
4 #include "NasalHash.hxx"
5 #include "NasalString.hxx"
7 #include <boost/shared_ptr.hpp>
15 std::cerr << "failed: line " << __LINE__ << ": " << #a << std::endl; \
21 naRef member(const nasal::CallContext&) { return naNil(); }
24 std::string getString() const { return ""; }
25 void setString(const std::string&) {}
26 void constVoidFunc() const {}
27 size_t test1Arg(const std::string& str) const { return str.length(); }
28 bool test2Args(const std::string& s, bool c) { return c && s.empty(); }
31 const std::string& getVar() const { return var; }
32 void setVar(const std::string v) { var = v; }
35 void baseVoidFunc(Base& b) {}
36 void baseConstVoidFunc(const Base& b) {}
37 size_t baseFunc2Args(Base& b, int x, const std::string& s) { return x + s.size(); }
38 std::string testPtr(Base& b) { return b.getString(); }
39 void baseFuncCallContext(const Base&, const nasal::CallContext&) {}
45 int getX() const { return _x; }
46 void setX(int x) { _x = x; }
54 typedef boost::shared_ptr<Base> BasePtr;
55 typedef std::vector<BasePtr> BaseVec;
57 struct DoubleDerived2:
60 const BasePtr& getBase() const{return _base;}
62 BaseVec doSomeBaseWork(const BaseVec& v) { return v; }
65 typedef boost::shared_ptr<Derived> DerivedPtr;
66 typedef boost::shared_ptr<DoubleDerived> DoubleDerivedPtr;
67 typedef boost::shared_ptr<DoubleDerived2> DoubleDerived2Ptr;
69 naRef derivedFreeMember(Derived&, const nasal::CallContext&) { return naNil(); }
70 naRef f_derivedGetX(naContext c, const Derived& d)
72 return nasal::to_nasal(c, d.getX());
74 naRef f_freeFunction(nasal::CallContext) { return naNil(); }
76 int main(int argc, char* argv[])
78 naContext c = naNewContext();
81 using namespace nasal;
83 r = to_nasal(c, "Test");
84 VERIFY( strncmp("Test", naStr_data(r), naStr_len(r)) == 0 );
85 VERIFY( from_nasal<std::string>(c, r) == "Test" );
87 r = to_nasal(c, std::string("Test"));
88 VERIFY( strncmp("Test", naStr_data(r), naStr_len(r)) == 0 );
89 VERIFY( from_nasal<std::string>(c, r) == "Test" );
92 VERIFY( naNumValue(r).num == 42 );
93 VERIFY( from_nasal<int>(c, r) == 42 );
95 r = to_nasal(c, 4.2f);
96 VERIFY( naNumValue(r).num == 4.2f );
97 VERIFY( from_nasal<float>(c, r) == 4.2f );
99 float test_data[3] = {0, 4, 2};
100 r = to_nasal(c, test_data);
103 r = to_nasal(c, vec);
104 VERIFY( from_nasal<SGVec2f>(c, r) == vec );
106 std::vector<int> std_vec;
107 r = to_nasal(c, std_vec);
109 r = to_nasal(c, "string");
112 from_nasal<int>(c, r);
114 std::cerr << "failed: Expected bad_nasal_cast to be thrown" << std::endl;
117 catch(nasal::bad_nasal_cast&)
122 hash.set("vec2", vec);
123 hash.set("name", "my-name");
124 hash.set("string", std::string("blub"));
125 hash.set("func", &f_freeFunction);
127 r = to_nasal(c, hash);
128 VERIFY( naIsHash(r) );
130 VERIFY( hash.get<std::string>("name") == "my-name" );
131 VERIFY( naIsString(hash.get("name")) );
133 Hash mod = hash.createHash("mod");
134 mod.set("parent", hash);
136 //----------------------------------------------------------------------------
137 // Test exposing classes to Nasal
138 //----------------------------------------------------------------------------
140 Ghost<BasePtr>::init("BasePtr")
141 .method("member", &Base::member)
142 .method("strlen", &Base::test1Arg)
143 .member("str", &Base::getString, &Base::setString)
144 .method("str_m", &Base::getString)
145 .method("void", &Base::constVoidFunc)
146 .member("var_r", &Base::getVar)
147 .member("var_w", &Base::setVar)
148 .member("var", &Base::getVar, &Base::setVar)
149 .method("void", &baseVoidFunc)
150 .method("void_c", &baseConstVoidFunc)
151 .method("int2args", &baseFunc2Args)
152 .method("bool2args", &Base::test2Args)
153 .method("str_ptr", &testPtr);
154 Ghost<DerivedPtr>::init("DerivedPtr")
156 .member("x", &Derived::getX, &Derived::setX)
157 .member("x_alternate", &f_derivedGetX)
158 .method("free_fn", &derivedFreeMember)
159 .method("free_member", &derivedFreeMember)
160 .method("baseDoIt", &baseFuncCallContext);
161 Ghost<DoubleDerivedPtr>::init("DoubleDerivedPtr")
162 .bases<DerivedPtr>();
163 Ghost<DoubleDerived2Ptr>::init("DoubleDerived2Ptr")
164 .bases< Ghost<DerivedPtr> >()
165 .member("base", &DoubleDerived2::getBase)
166 .method("doIt", &DoubleDerived2::doSomeBaseWork);
168 VERIFY( Ghost<BasePtr>::isInit() );
169 nasal::to_nasal(c, DoubleDerived2Ptr());
171 BasePtr d( new Derived );
172 naRef derived = Ghost<BasePtr>::create(c, d);
173 VERIFY( naIsGhost(derived) );
174 VERIFY( std::string("DerivedPtr") == naGhost_type(derived)->name );
176 BasePtr d2( new DoubleDerived );
177 derived = Ghost<BasePtr>::create(c, d2);
178 VERIFY( naIsGhost(derived) );
179 VERIFY( std::string("DoubleDerivedPtr") == naGhost_type(derived)->name );
181 BasePtr d3( new DoubleDerived2 );
182 derived = Ghost<BasePtr>::create(c, d3);
183 VERIFY( naIsGhost(derived) );
184 VERIFY( std::string("DoubleDerived2Ptr") == naGhost_type(derived)->name );
186 VERIFY( Ghost<BasePtr>::isBaseOf(derived) );
187 VERIFY( Ghost<DerivedPtr>::isBaseOf(derived) );
188 VERIFY( Ghost<DoubleDerived2Ptr>::isBaseOf(derived) );
190 VERIFY( Ghost<BasePtr>::fromNasal(c, derived) == d3 );
191 VERIFY( Ghost<BasePtr>::fromNasal(c, derived) != d2 );
192 VERIFY( Ghost<DerivedPtr>::fromNasal(c, derived)
193 == boost::dynamic_pointer_cast<Derived>(d3) );
194 VERIFY( Ghost<DoubleDerived2Ptr>::fromNasal(c, derived)
195 == boost::dynamic_pointer_cast<DoubleDerived2>(d3) );
196 VERIFY( !Ghost<DoubleDerivedPtr>::fromNasal(c, derived) );
198 std::map<std::string, BasePtr> instances;
199 VERIFY( naIsHash(to_nasal(c, instances)) );
201 std::map<std::string, DerivedPtr> instances_d;
202 VERIFY( naIsHash(to_nasal(c, instances_d)) );
204 std::map<std::string, int> int_map;
205 VERIFY( naIsHash(to_nasal(c, int_map)) );
207 std::map<std::string, std::vector<int> > int_vector_map;
208 VERIFY( naIsHash(to_nasal(c, int_vector_map)) );
210 // Check converting to Ghost if using Nasal hashes with actual ghost inside
211 // the hashes parents vector
212 std::vector<naRef> parents;
213 parents.push_back(hash.get_naRef());
214 parents.push_back(derived);
217 obj.set("parents", parents);
218 VERIFY( Ghost<BasePtr>::fromNasal(c, obj.get_naRef()) == d3 );
220 // Check recursive parents (aka parent-of-parent)
221 std::vector<naRef> parents2;
222 parents2.push_back(obj.get_naRef());
224 derived_obj.set("parents", parents2);
225 VERIFY( Ghost<BasePtr>::fromNasal(c, derived_obj.get_naRef()) == d3 );
227 std::vector<naRef> nasal_objects;
228 nasal_objects.push_back( Ghost<BasePtr>::create(c, d) );
229 nasal_objects.push_back( Ghost<BasePtr>::create(c, d2) );
230 nasal_objects.push_back( Ghost<BasePtr>::create(c, d3) );
231 naRef obj_vec = to_nasal(c, nasal_objects);
233 std::vector<BasePtr> objects = from_nasal<std::vector<BasePtr> >(c, obj_vec);
234 VERIFY( objects[0] == d );
235 VERIFY( objects[1] == d2 );
236 VERIFY( objects[2] == d3 );
238 // TODO actually do something with the ghosts...
240 //----------------------------------------------------------------------------
241 // Test nasal::CallContext
242 //----------------------------------------------------------------------------
245 int int_vec[] = {1,2,3};
246 std::map<std::string, std::string> map;
248 to_nasal(c, std::string("test-arg")),
250 to_nasal(c, int_vec),
253 CallContext cc(c, sizeof(args)/sizeof(args[0]), args);
254 VERIFY( cc.requireArg<std::string>(0) == "test-arg" );
255 VERIFY( cc.getArg<std::string>(0) == "test-arg" );
256 VERIFY( cc.getArg<std::string>(10) == "" );
257 VERIFY( cc.isString(0) );
258 VERIFY( !cc.isNumeric(0) );
259 VERIFY( !cc.isVector(0) );
260 VERIFY( !cc.isHash(0) );
261 VERIFY( !cc.isGhost(0) );
262 VERIFY( cc.isNumeric(1) );
263 VERIFY( cc.isVector(2) );
264 VERIFY( cc.isHash(3) );
266 naRef args_vec = nasal::to_nasal(c, args);
267 VERIFY( naIsVector(args_vec) );
269 //----------------------------------------------------------------------------
270 // Test nasal::String
271 //----------------------------------------------------------------------------
273 String string( to_nasal(c, "Test") );
274 VERIFY( from_nasal<std::string>(c, string.get_naRef()) == "Test" );
275 VERIFY( string.c_str() == std::string("Test") );
276 VERIFY( string.starts_with(string) );
277 VERIFY( string.starts_with(String(c, "T")) );
278 VERIFY( string.starts_with(String(c, "Te")) );
279 VERIFY( string.starts_with(String(c, "Tes")) );
280 VERIFY( string.starts_with(String(c, "Test")) );
281 VERIFY( !string.starts_with(String(c, "Test1")) );
282 VERIFY( !string.starts_with(String(c, "bb")) );
283 VERIFY( !string.starts_with(String(c, "bbasdasdafasd")) );
284 VERIFY( string.find('e') == 1 );
285 VERIFY( string.find('9') == String::npos );
286 VERIFY( string.find_first_of(String(c, "st")) == 2 );
287 VERIFY( string.find_first_of(String(c, "st"), 3) == 3 );
288 VERIFY( string.find_first_of(String(c, "xyz")) == String::npos );
289 VERIFY( string.find_first_not_of(String(c, "Tst")) == 1 );
290 VERIFY( string.find_first_not_of(String(c, "Tse"), 2) == 3 );
291 VERIFY( string.find_first_not_of(String(c, "abc")) == 0 );
292 VERIFY( string.find_first_not_of(String(c, "abc"), 20) == String::npos );