gitee.com/go-spring2/spring-base@v1.1.3/atomic/time_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 TestTime(t *testing.T) {
    30  
    31  	// atomic.Time and interface{} occupy the same space
    32  	assert.Equal(t, unsafe.Sizeof(atomic.Time{}), uintptr(16+8))
    33  
    34  	var tm atomic.Time
    35  	assert.Equal(t, tm.Load(), time.Time{})
    36  
    37  	tm.Store(time.Unix(1, 1).UTC())
    38  	assert.Equal(t, tm.Load(), time.Unix(1, 1).UTC())
    39  
    40  	bytes, _ := json.Marshal(&tm)
    41  	assert.Equal(t, string(bytes), `"Thu Jan  1 00:00:01 UTC 1970"`)
    42  
    43  	tm.SetMarshalJSON(func(t time.Time) ([]byte, error) {
    44  		return json.Marshal(t.Format("20060102"))
    45  	})
    46  
    47  	bytes, _ = json.Marshal(&tm)
    48  	assert.Equal(t, string(bytes), `"19700101"`)
    49  }