package fizzbuzz

import (
	"reflect"
	"testing"
)

func TestGenerateFizzbuzz(t *testing.T) {
	tcases := []struct {
		in     *inputs
		expect []string
	}{
		// Invlid cases
		{in: nil, expect: []string{}},
		{in: &inputs{string1: "aa", string2: "bb", int1: 3, int2: 5, limit: 0}, expect: []string{}},
		{
			in:     &inputs{string1: "aa", string2: "bb", int1: 0, int2: 0, limit: 5},
			expect: []string{"1", "2", "3", "4", "5"},
		},
		{
			in:     &inputs{string1: "", string2: "bb", int1: 2, int2: 0, limit: 5},
			expect: []string{"1", "", "3", "", "5"},
		},
		{
			in:     &inputs{string1: "", string2: "", int1: 1, int2: 2, limit: 5},
			expect: []string{"", "", "", "", ""},
		},
		// Valid cases
		{
			in:     &inputs{string1: "aa", string2: "bb", int1: 3, int2: 2, limit: 12},
			expect: []string{"1", "bb", "aa", "bb", "5", "aabb", "7", "bb", "aa", "bb", "11", "aabb"},
		},
		{
			in:     &inputs{string1: "cc", string2: "dd", int1: 10, int2: 5, limit: 11},
			expect: []string{"1", "2", "3", "4", "dd", "6", "7", "8", "9", "ccdd", "11"},
		},
	}
	for i, tcase := range tcases {
		if got, want := tcase.in.generateFizzbuzz(), tcase.expect; !reflect.DeepEqual(got, want) {
			t.Fatalf("%d: got %#v, want %#v", i+1, got, want)
		}
	}
}