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utilities_test.go
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/
utilities_test.go
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package stamets
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestP50(t *testing.T) {
require.Equal(t, 0, p50([]int{}))
require.Equal(t, 1, p50([]int{1}))
require.Equal(t, 2, p50([]int{1, 2}))
require.Equal(t, 1, p50([]int{1, 1, 2}))
}
func TestP90(t *testing.T) {
require.Equal(t, 0, p90([]int{}))
require.Equal(t, 1, p90([]int{1}))
require.Equal(t, 2, p90([]int{1, 2}))
require.Equal(t, 2, p90([]int{1, 1, 2}))
var values []int
for i := 1; i <= 10; i++ {
values = append(values, i)
}
require.Equal(t, 10, p90(values))
values = []int{}
for i := 1; i <= 100; i++ {
values = append(values, i)
}
require.Equal(t, 91, p90(values))
values = []int{}
for i := 1; i <= 1000; i++ {
values = append(values, i)
}
require.Equal(t, 901, p90(values))
}
func TestP99(t *testing.T) {
require.Equal(t, 0, p99([]int{}))
require.Equal(t, 1, p99([]int{1}))
require.Equal(t, 2, p99([]int{1, 2}))
require.Equal(t, 2, p99([]int{1, 1, 2}))
var values []int
for i := 1; i <= 10; i++ {
values = append(values, i)
}
require.Equal(t, 10, p99(values))
values = []int{}
for i := 1; i <= 100; i++ {
values = append(values, i)
}
require.Equal(t, 100, p99(values))
values = []int{}
for i := 1; i <= 1000; i++ {
values = append(values, i)
}
require.Equal(t, 991, p99(values))
}
func TestMode(t *testing.T) {
require.Equal(t, 0, mode([]int{}))
require.Equal(t, 1, mode([]int{0, 0, 1, 1, 1}))
require.Equal(t, 1, mode([]int{0, 1, 1, 1, 2}))
require.Equal(t, 0, mode([]int{0, 0, 0, 0, 1, 2}))
}