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29 #include "utils/event_emitter.hpp"
31 #include <CppUTest/TestHarness.h>
34 #include "common/code_utils.hpp"
36 static int sCounter = 0;
37 static int sEvent = 0;
38 static void *sContext = nullptr;
40 static void HandleSingleEvent(void *aContext, int aEvent, va_list aArguments)
44 CHECK_EQUAL(sContext, aContext);
45 CHECK_EQUAL(sEvent, aEvent);
46 OTBR_UNUSED_VARIABLE(aArguments);
49 static void HandleTestDifferentContextEvent(void *aContext, int aEvent, va_list aArguments)
51 void *context1 = va_arg(aArguments, void *);
52 void *context2 = va_arg(aArguments, void *);
54 CHECK_EQUAL(sEvent, aEvent);
56 int id = *static_cast<int *>(aContext);
59 CHECK_EQUAL(context1, aContext);
63 CHECK_EQUAL(context2, aContext);
67 FAIL("Unexpected id value!");
73 static void HandleTestCallSequenceEvent(void *aContext, int aEvent, va_list aArguments)
75 CHECK_EQUAL(sEvent, aEvent);
77 int id = *static_cast<int *>(aContext);
81 CHECK_EQUAL(sCounter, id);
83 OTBR_UNUSED_VARIABLE(aArguments);
86 TEST_GROUP(EventEmitter){};
88 TEST(EventEmitter, TestSingleHandler)
90 otbr::EventEmitter ee;
92 ee.On(event, HandleSingleEvent, nullptr);
100 CHECK_EQUAL(1, sCounter);
103 TEST(EventEmitter, TestDoubleHandler)
105 otbr::EventEmitter ee;
107 ee.On(event, HandleSingleEvent, nullptr);
108 ee.On(event, HandleSingleEvent, nullptr);
116 CHECK_EQUAL(2, sCounter);
119 TEST(EventEmitter, TestDifferentContext)
121 otbr::EventEmitter ee;
127 ee.On(event, HandleTestDifferentContextEvent, &context1);
128 ee.On(event, HandleTestDifferentContextEvent, &context2);
134 ee.Emit(event, &context1, &context2);
136 CHECK_EQUAL(2, sCounter);
139 TEST(EventEmitter, TestCallSequence)
141 otbr::EventEmitter ee;
147 ee.On(event, HandleTestCallSequenceEvent, &context1);
148 ee.On(event, HandleTestCallSequenceEvent, &context2);
156 CHECK_EQUAL(2, sCounter);
159 TEST(EventEmitter, TestRemoveHandler)
161 otbr::EventEmitter ee;
164 ee.On(event, HandleSingleEvent, nullptr);
165 ee.On(event, HandleSingleEvent, nullptr);
172 CHECK_EQUAL(2, sCounter);
174 ee.Off(event, HandleSingleEvent, nullptr);
176 CHECK_EQUAL(3, sCounter);
178 ee.Off(event, HandleSingleEvent, nullptr);
180 CHECK_EQUAL(3, sCounter);