How to use TestValidInterface method of overlap Package

1// +build go1.14
2
3package overlap
4
5import (
6	"errors"
7	"testing"
8
9	gomock "github.com/golang/mock/gomock"
10)
11
12// TestValidInterface assesses whether or not the generated mock is valid
13func TestValidInterface(t *testing.T) {
14	ctrl := gomock.NewController(t)
15	defer ctrl.Finish()
16
17	s := NewMockReadWriteCloser(ctrl)
18	s.EXPECT().Close().Return(errors.New("test"))
19
20	s.Close()
21}
22

Source: overlap_test.go

// +build go1.14

package overlap

import (
	"errors"
	"testing"

	gomock "github.com/golang/mock/gomock"
)

// TestValidInterface assesses whether or not the generated mock is valid
func TestValidInterface(t *testing.T) {
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	s := NewMockReadWriteCloser(ctrl)
	s.EXPECT().Close().Return(errors.New("test"))

	s.Close()
}