github.com/lingyao2333/mo-zero@v1.4.1/core/mathx/proba_test.go (about)

     1  package mathx
     2  
     3  import (
     4  	"math"
     5  	"testing"
     6  
     7  	"github.com/stretchr/testify/assert"
     8  )
     9  
    10  func TestTrueOnProba(t *testing.T) {
    11  	const proba = math.Pi / 10
    12  	const total = 100000
    13  	const epsilon = 0.05
    14  	var count int
    15  	p := NewProba()
    16  	for i := 0; i < total; i++ {
    17  		if p.TrueOnProba(proba) {
    18  			count++
    19  		}
    20  	}
    21  
    22  	ratio := float64(count) / float64(total)
    23  	assert.InEpsilon(t, proba, ratio, epsilon)
    24  }