ApplyMethod failed to replace

[123jixinyu]

package main

import (
	"fmt"
	"github.com/agiledragon/gomonkey/v2"
	. "github.com/smartystreets/goconvey/convey"
	"reflect"
	"testing"
)

type A struct {
	B *B
}

func (a *A) TestA() {
	fmt.Println(a.B.TestB())
	fmt.Println(2)
}

type B struct {
}

func (*B) TestB() int {
	return 1
}

func TestSpec(t *testing.T) {

	Convey("Test Spec", t, func() {

		b := &B{}
		patches := gomonkey.ApplyMethod(reflect.TypeOf(b), "TestB", func(_ *B) int {
			return 3
		})
		defer patches.Reset()

		a := A{B: b}
		a.TestA()
	})
}

output

1
2

but it should be 3 2 , why not works???

[LinxiItIs]

try '-gcflags=all=-N -l' to close inline

[123jixinyu]

i tried it. it`s working now

[123jixinyu]

try '-gcflags=all=-N -l' to close inline

extremely grateful