gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/pkg/sync/locking/lockdep_nolockdep_test.go (about)

     1  // Copyright 2022 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  //go:build !lockdep
    16  // +build !lockdep
    17  
    18  package locking_test
    19  
    20  import (
    21  	"testing"
    22  )
    23  
    24  // Ensure that lockdep is not enabled unless "lockdep" tag is set.
    25  func TestDummy(t *testing.T) {
    26  	m := testMutex{}
    27  	m2 := test2RWMutex{}
    28  	m.Lock()
    29  	m2.Lock()
    30  	t.Logf("m->m2")
    31  	m2.Unlock()
    32  	m.Unlock()
    33  	m2.Lock()
    34  	m.Lock()
    35  	t.Logf("m2->m")
    36  	m.Unlock()
    37  	m2.Unlock()
    38  }