package tools import ( "sync" "testing" ) func TestMyTest(t *testing.T) { MyTest() } func TestMyStruct(t *testing.T) { MyStruct() } type SMap struct { sync.RWMutex Map map[int]int } func (l *SMap) readMap(key int) (int, bool) { l.RLock() value, ok := l.Map[key] l.RUnlock() return value, ok } func (l *SMap) writeMap(key int, value int) { l.Lock() l.Map[key] = value l.Unlock() } var mMap *SMap func TestMyMap(t *testing.T) { mMap = &SMap{ Map: make(map[int]int), } for i := 0; i < 10000; i++ { go func() { mMap.writeMap(i, i) }() go readMap(i) } } func readMap(i int) (int, bool) { return mMap.readMap(i) }