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File indexing completed on 2021-02-14 13:29:23

0001 /*----------------------------------------------------------------------
0002 
0003 Test program for edm::signalslot::Signal class.
0004 
0005  ----------------------------------------------------------------------*/
0006 
0007 #include <cassert>
0008 #include <iostream>
0009 #include <string>
0010 #include <cppunit/extensions/HelperMacros.h>
0011 #include "FWCore/Utilities/interface/Signal.h"
0012 
0013 class testSignal : public CppUnit::TestFixture {
0014   CPPUNIT_TEST_SUITE(testSignal);
0015 
0016   CPPUNIT_TEST(connectTest);
0017   CPPUNIT_TEST(emitTest);
0018 
0019   CPPUNIT_TEST_SUITE_END();
0020 
0021 public:
0022   void setUp() {}
0023   void tearDown() {}
0024 
0025   void connectTest();
0026   void emitTest();
0027 };
0028 
0029 ///registration of the test so that the runner can find it
0030 CPPUNIT_TEST_SUITE_REGISTRATION(testSignal);
0031 
0032 static int s_value = 0;
0033 static void setValueFunct(int iValue) { s_value = iValue; }
0034 
0035 void testSignal::connectTest()
0036 
0037 {
0038   edm::signalslot::Signal<void(int)> sig;
0039   CPPUNIT_ASSERT(sig.slots().size() == 0);
0040 
0041   int value1 = 0;
0042   sig.connect([&](int iValue) -> void { value1 = iValue; });
0043 
0044   CPPUNIT_ASSERT(sig.slots().size() == 1);
0045 
0046   int value2 = 0;
0047   sig.connect([&](int iValue) { value2 = iValue; });
0048   CPPUNIT_ASSERT(sig.slots().size() == 2);
0049 
0050   sig.connect(setValueFunct);
0051   //see that the slots we created are actually there
0052   for (auto const& slot : sig.slots()) {
0053     slot(5);
0054   }
0055   CPPUNIT_ASSERT(value1 == 5);
0056   CPPUNIT_ASSERT(value2 == 5);
0057   CPPUNIT_ASSERT(value2 == s_value);
0058 }
0059 
0060 void testSignal::emitTest() {
0061   edm::signalslot::Signal<void(int)> sig;
0062 
0063   int value1 = 0;
0064   sig.connect([&](int iValue) { value1 = iValue; });
0065 
0066   int value2 = 0;
0067   sig.connect([&](int iValue) { value2 = iValue; });
0068 
0069   sig.emit(5);
0070   CPPUNIT_ASSERT(value1 == 5);
0071   CPPUNIT_ASSERT(value2 == 5);
0072 
0073   sig.emit(1);
0074   CPPUNIT_ASSERT(value1 == 1);
0075   CPPUNIT_ASSERT(value2 == 1);
0076 }