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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                [TOC] go test 功能,提高了開發和測試的效率。 有時會遇到這樣的場景: 進行測試之前需要初始化操作(例如打開連接),測試結束后,需要做清理工作(例如關閉連接)等等。這個時候就可以使用TestMain()。 下面例子的文件結構如下: hello/add.go hello/test_add.go **add.go** ~~~ package hello func Add(a,b int) int { return a+b } ~~~ **add_test.go** ~~~ package hello import( "fmt" "testing" ) func TestAdd(t *testing.T) { r := Add(1, 2) if r !=3 { t.Errorf("Add(1, 2) failed. Got %d, expected 3.", r) } } func TestMain(m *testing.M) { fmt.Println("begin") m.Run() fmt.Println("end") } ~~~ **測試從TestMain進入**
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