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-rw-r--r--src/tests/signalcall.cpp200
1 files changed, 200 insertions, 0 deletions
diff --git a/src/tests/signalcall.cpp b/src/tests/signalcall.cpp
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+++ b/src/tests/signalcall.cpp
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1#include <bu/signals.h>
2#include <bu/sio.h>
3#include <bu/randomcmwc.h>
4
5#include <time.h>
6
7template<typename ret>
8class SignalCallable
9{
10public:
11 SignalCallable()
12 {
13 }
14
15 virtual ~SignalCallable()
16 {
17 }
18
19 virtual ret call()=0;
20};
21
22template<typename ret>
23class SignalCall0 : public SignalCallable<ret>
24{
25public:
26 SignalCall0( const Bu::Signal0<ret> &sRef ) :
27 sRef( sRef )
28 {
29 }
30
31 virtual ~SignalCall0()
32 {
33 }
34
35 virtual ret call()
36 {
37 return sRef();
38 }
39
40private:
41 Bu::Signal0<ret> sRef;
42};
43
44template<typename ret, typename p1t>
45class SignalCall1 : public SignalCallable<ret>
46{
47public:
48 SignalCall1( const Bu::Signal1<ret, p1t> &sRef, const p1t &p1 ) :
49 sRef( sRef ), p1( p1 )
50 {
51 }
52
53 virtual ~SignalCall1()
54 {
55 }
56
57 virtual ret call()
58 {
59 return sRef( p1 );
60 }
61
62private:
63 Bu::Signal1<ret, p1t> sRef;
64 p1t p1;
65};
66
67template<typename ret, typename p1t, typename p2t>
68class SignalCall2 : public SignalCallable<ret>
69{
70public:
71 SignalCall2( const Bu::Signal2<ret, p1t, p2t> &sRef, const p1t &p1, const p2t &p2 ) :
72 sRef( sRef ), p1( p1 ), p2( p2 )
73 {
74 }
75
76 virtual ~SignalCall2()
77 {
78 }
79
80 virtual ret call()
81 {
82 return sRef( p1, p2 );
83 }
84
85private:
86 Bu::Signal2<ret, p1t, p2t> sRef;
87 p1t p1;
88 p2t p2;
89};
90
91template<typename ret, typename p1t, typename p2t>
92class DeferredSignal2 : public Bu::Signal2<ret, p1t, p2t>
93{
94 typedef Bu::Signal2<ret, p1t, p2t> Parent;
95public:
96 DeferredSignal2() : Parent() { }
97 DeferredSignal2( Bu::_Slot2<ret, p1t, p2t> *pCb ) : Parent( pCb ) { }
98 DeferredSignal2( const DeferredSignal2<ret, p1t, p2t> &rSrc ) :
99 Parent( (const Parent &)rSrc ) { }
100 virtual ~DeferredSignal2() { }
101
102 void operator()( p1t p1, p2t p2 )
103 {
104 lCalls.enqueue( SignalCall2<ret, p1t, p2t>( (Parent &)*this, p1, p2 ) );
105 }
106
107 DeferredSignal2<ret, p1t, p2t> &operator=( const Bu::Signal2<ret, p1t, p2t> &rhs )
108 {
109 ((Parent &)*this) = rhs;
110 return *this;
111 }
112
113 bool operator==( const Bu::Signal2<ret, p1t, p2t> &rhs ) const
114 {
115 return ((Parent &)*this) == rhs;
116 }
117
118 bool hasNext() const
119 {
120 return !lCalls.isEmpty();
121 }
122
123 ret callNext()
124 {
125 return lCalls.dequeue().call();
126 }
127
128private:
129 Bu::List< SignalCall2<ret, p1t, p2t> > lCalls;
130};
131
132
133//
134// Slots
135//
136int area( int x, int y )
137{
138 return x*y;
139}
140
141int diff( int x, int y )
142{
143 return x-y;
144}
145
146int thing( int x, int y )
147{
148 return x*x-y*y;
149}
150
151int square( int x )
152{
153 return x*x;
154}
155
156int rand()
157{
158 Bu::RandomCmwc c;
159 c.seed( time( NULL ) );
160 return c.rand();
161}
162
163int main()
164{
165 // Direct use of SignalCall objects
166 Bu::println("Testing SignalCall classes:");
167
168 typedef Bu::List<SignalCallable<int> * > CallList;
169 CallList calls;
170
171 calls.append( new SignalCall2<int, int, int>( Bu::slot(&area), 5, 10 ) );
172 calls.append( new SignalCall2<int, int, int>( Bu::slot(&diff), 5, 15 ) );
173 calls.append( new SignalCall2<int, int, int>( Bu::slot(&thing), 10, 5 ) );
174 calls.append( new SignalCall1<int, int>( Bu::slot(&square), 12 ) );
175 calls.append( new SignalCall0<int>( Bu::slot(&rand)) );
176
177 for( CallList::iterator i = calls.begin(); i; i++ )
178 {
179 Bu::println(" - Result: %1").arg( (*i)->call() );
180 }
181
182 // Deferred Signals:
183 Bu::println("");
184 Bu::println("Testing DeferredSignals:");
185
186 DeferredSignal2<int, int, int> sigArea;
187 sigArea = Bu::slot(&area);
188
189 sigArea( 5, 5 );
190 sigArea( 10, 10 );
191 sigArea( 15, 15 );
192
193 while( sigArea.hasNext() )
194 {
195 Bu::println(" - Result: %1").arg( sigArea.callNext() );
196 }
197
198 return 0;
199}
200