// license that can be found in the LICENSE file.

//go:build unix && !ios && !android

package time_test

import (
	"os"
	"testing"
	"time"
)

func TestEnvTZUsage(t *testing.T) {
	const env = "TZ"
	tz, ok := os.LookupEnv(env)
	if !ok {
		defer os.Unsetenv(env)
	} else {
		defer os.Setenv(env, tz)
	}
	defer time.ForceUSPacificForTesting()