Table-Driven Tests

Use when you have 2+ test cases for the same function.

CORRECT

func Test_Add_Cases(t *testing.T) {
    tests := []struct {
        name string
        a    int
        b    int
        want int
    }{
        {name: "positive numbers", a: 2, b: 3, want: 5},
        {name: "negative numbers", a: -1, b: -2, want: -3},
        {name: "zero", a: 0, b: 0, want: 0},
    }