78 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package metrics
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| 
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| import "testing"
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| 
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| func BenchmarkCounter(b *testing.B) {
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| 	c := NewCounter()
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| 	b.ResetTimer()
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| 	for i := 0; i < b.N; i++ {
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| 		c.Inc(1)
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| 	}
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| }
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| 
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| func TestCounterClear(t *testing.T) {
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| 	c := NewCounter()
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| 	c.Inc(1)
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| 	c.Clear()
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| 	if count := c.Count(); count != 0 {
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| 		t.Errorf("c.Count(): 0 != %v\n", count)
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| 	}
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| }
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| 
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| func TestCounterDec1(t *testing.T) {
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| 	c := NewCounter()
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| 	c.Dec(1)
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| 	if count := c.Count(); count != -1 {
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| 		t.Errorf("c.Count(): -1 != %v\n", count)
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| 	}
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| }
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| 
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| func TestCounterDec2(t *testing.T) {
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| 	c := NewCounter()
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| 	c.Dec(2)
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| 	if count := c.Count(); count != -2 {
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| 		t.Errorf("c.Count(): -2 != %v\n", count)
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| 	}
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| }
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| 
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| func TestCounterInc1(t *testing.T) {
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| 	c := NewCounter()
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| 	c.Inc(1)
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| 	if count := c.Count(); count != 1 {
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| 		t.Errorf("c.Count(): 1 != %v\n", count)
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| 	}
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| }
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| 
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| func TestCounterInc2(t *testing.T) {
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| 	c := NewCounter()
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| 	c.Inc(2)
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| 	if count := c.Count(); count != 2 {
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| 		t.Errorf("c.Count(): 2 != %v\n", count)
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| 	}
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| }
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| 
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| func TestCounterSnapshot(t *testing.T) {
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| 	c := NewCounter()
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| 	c.Inc(1)
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| 	snapshot := c.Snapshot()
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| 	c.Inc(1)
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| 	if count := snapshot.Count(); count != 1 {
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| 		t.Errorf("c.Count(): 1 != %v\n", count)
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| 	}
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| }
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| 
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| func TestCounterZero(t *testing.T) {
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| 	c := NewCounter()
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| 	if count := c.Count(); count != 0 {
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| 		t.Errorf("c.Count(): 0 != %v\n", count)
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| 	}
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| }
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| 
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| func TestGetOrRegisterCounter(t *testing.T) {
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| 	r := NewRegistry()
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| 	NewRegisteredCounter("foo", r).Inc(47)
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| 	if c := GetOrRegisterCounter("foo", r); c.Count() != 47 {
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| 		t.Fatal(c)
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| 	}
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| }
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