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

package poll_test

import (
	. "internal/poll"
	"math/rand"
	"runtime"
	"strings"
	"testing"
	"time"
)

func TestMutexLock(t *testing.T) {
	var mu XFDMutex

	if !mu.Incref() {
		t.Fatal("broken")
	}
	if mu.Decref() {
		t.Fatal("broken")
	}

	if !mu.RWLock(true) {
		t.Fatal("broken")
	}
	if mu.RWUnlock(true) {