package add import "testing" // 测试用例 1:正数 func TestAddPositive(t *testing.T) { got := Add(2, 3) want := 5 if got != want { t.Errorf("Add(2, 3) = %d; want %d", got, want) } } // 测试用例 2:负数 func TestAddNegative(t *testing.T) { got := Add(-1, -1) want := -2 if got != want { t.Errorf("Add(-1, -1) = %d; want %d", got, want) } } // 测试用例 3:零值 func TestAddZero(t *testing.T) { got := Add(0, 7) want := 7 if got != want { t.Errorf("Add(0, 7) = %d; want %d", got, want) } }