github.com/timandy/routine@v1.1.4-0.20240507073150-e4a3e1fe2ba5/api_cloneable_test.go (about)

     1  package routine
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/stretchr/testify/assert"
     7  )
     8  
     9  func TestCloneable(t *testing.T) {
    10  	//struct can not be cast to interface
    11  	var value interface{} = personCloneable{Id: 1, Name: "Hello"}
    12  	_, ok := value.(Cloneable)
    13  	assert.False(t, ok)
    14  	//pointer can be cast to interface
    15  	var pointer interface{} = &personCloneable{Id: 1, Name: "Hello"}
    16  	_, ok2 := pointer.(Cloneable)
    17  	assert.True(t, ok2)
    18  }
    19  
    20  func TestCloneable_Clone(t *testing.T) {
    21  	//clone struct
    22  	pc := &personCloneable{Id: 1, Name: "Hello"}
    23  	assert.NotSame(t, pc, pc.Clone())
    24  	assert.Equal(t, *pc, *(pc.Clone().(*personCloneable)))
    25  	//copy pointer
    26  	pcs := make([]*personCloneable, 1)
    27  	pcs[0] = pc
    28  	pcs2 := make([]*personCloneable, 1)
    29  	copy(pcs2, pcs)
    30  	assert.Same(t, pc, pcs2[0])
    31  }
    32  
    33  type personCloneable struct {
    34  	Id   int
    35  	Name string
    36  }
    37  
    38  func (p *personCloneable) Clone() any {
    39  	return &personCloneable{Id: p.Id, Name: p.Name}
    40  }