gitee.com/go-spring2/spring-base@v1.1.3/atomic/duration_test.go (about)

     1  /*
     2   * Copyright 2012-2019 the original author or authors.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *      https://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package atomic_test
    18  
    19  import (
    20  	"testing"
    21  	"time"
    22  	"unsafe"
    23  
    24  	"gitee.com/go-spring2/spring-base/assert"
    25  	"gitee.com/go-spring2/spring-base/atomic"
    26  	"gitee.com/go-spring2/spring-base/json"
    27  )
    28  
    29  func TestDuration(t *testing.T) {
    30  
    31  	// atomic.Duration and int64 occupy the same space
    32  	assert.Equal(t, unsafe.Sizeof(atomic.Duration{}), uintptr(8))
    33  
    34  	var d atomic.Duration
    35  	assert.Equal(t, d.Load(), time.Duration(0))
    36  
    37  	v := d.Add(time.Second)
    38  	assert.Equal(t, v, time.Second)
    39  	assert.Equal(t, d.Load(), time.Second)
    40  
    41  	d.Store(time.Minute)
    42  	assert.Equal(t, d.Load(), time.Minute)
    43  
    44  	old := d.Swap(time.Hour)
    45  	assert.Equal(t, old, time.Minute)
    46  	assert.Equal(t, d.Load(), time.Hour)
    47  
    48  	swapped := d.CompareAndSwap(time.Hour, time.Second)
    49  	assert.True(t, swapped)
    50  	assert.Equal(t, d.Load(), time.Second)
    51  
    52  	swapped = d.CompareAndSwap(time.Hour, time.Second)
    53  	assert.False(t, swapped)
    54  	assert.Equal(t, d.Load(), time.Second)
    55  
    56  	bytes, _ := json.Marshal(&d)
    57  	assert.Equal(t, string(bytes), "1000000000")
    58  }