// Copyright 2020 Pilosa Corp.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package debugstats

import (
	"fmt"
	"testing"
	"time"
)

func TestCallStats(t *testing.T) {

	callStats := NewCallStats()

	for j := 0; j < 4; j++ {
		t0 := time.Now()
		doOperation0()
		callStats.Add("op0", time.Since(t0))

		t1 := time.Now()
		doOperation1()
		callStats.Add("op1", time.Since(t1))

		t2 := time.Now()
		doOperation2()
		callStats.Add("op2", time.Since(t2))
	}

	fmt.Printf("report = \n%v\n", callStats.Report("test"))
}

func doOperation0() {
	time.Sleep(50 * time.Millisecond)
}

func doOperation1() {
	time.Sleep(100 * time.Millisecond)
}

func doOperation2() {
	time.Sleep(200 * time.Millisecond)
}