// Copyright Istio Authors
//
// 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 leak

import (
	"testing"
	"time"
)

func TestMain(m *testing.M) {
	CheckMain(m)
}

func TestLeak(t *testing.T) {
	gracePeriod = time.Millisecond * 50
	t.Run("no leak", func(t *testing.T) {
		if err := check(nil); err != nil {
			t.Fatal(err)
		}
	})
	t.Run("leak", func(t *testing.T) {
		stop := make(chan struct{})
		go func() {
			<-stop
		}()
		if err := check(nil); err == nil {
			t.Fatal("expected a leak, found none")
		}
		close(stop)
		if err := check(nil); err != nil {
			t.Fatal(err)
		}
	})
}
