func TestGetOrRegisterInstrument(t *testing.T) {
r := NewRegistry()
r.Register("foo", instruments.NewRate())
i := r.Register("foo", instruments.NewGauge(0))
if _, ok := i.(*instruments.Rate); !ok {
t.Fatal("wrong instrument type")
}
registered := r.Instruments()
if len(registered) != 1 {
t.Fatal("registry should only have one instruments registered")
}
i, p := registered["foo"]
if !p {
t.Fatal("instrument not found")
}
if _, ok := i.(*instruments.Rate); !ok {
t.Fatal("wrong instrument type")
}
}
// NewStack creates a new Stack.
func NewStack() *Stack {
return &Stack{
g: instruments.NewGauge(0),
}
}
// NewHeap creates a new Heap.
func NewHeap() *Heap {
return &Heap{
g: instruments.NewGauge(0),
}
}
// NewAllocated creates a new Allocated.
func NewAllocated() *Allocated {
return &Allocated{
g: instruments.NewGauge(0),
}
}
// NewCgo creats a new Cgo.
func NewCgo() *Cgo {
return &Cgo{
g: instruments.NewGauge(0),
}
}
// NewGoroutine creats a new Goroutine.
func NewGoroutine() *Goroutine {
return &Goroutine{
g: instruments.NewGauge(0),
}
}