// 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 sleep

import (
	"testing"
	"time"

	"istio.io/istio/pkg/test/util/assert"
)

func TestUntil(t *testing.T) {
	c := make(chan struct{})
	assert.Equal(t, Until(c, time.Millisecond), true)

	go func() {
		time.Sleep(time.Millisecond * 50)
		close(c)
	}()
	assert.Equal(t, Until(c, time.Minute), false)
}
