package main

import (
	"fmt"
	"testing"

	"github.com/stretchr/testify/assert"
)

func Test_dial_Add2(t *testing.T) {
	tests := []struct {
		start      int
		turn       int
		want       int
		wantClicks int
	}{
		{
			start:      50,
			turn:       300,
			want:       50,
			wantClicks: 3,
		},
		{
			start:      50,
			turn:       -300,
			want:       50,
			wantClicks: 3,
		},

		{
			start:      0,
			turn:       -100,
			want:       0,
			wantClicks: 1,
		},
		{
			start:      1,
			turn:       -101,
			want:       0,
			wantClicks: 2,
		},
		{
			start:      99,
			turn:       -199,
			want:       0,
			wantClicks: 2,
		},

		{
			start:      0,
			turn:       100,
			want:       0,
			wantClicks: 1,
		},
		{
			start:      99,
			turn:       101,
			want:       0,
			wantClicks: 2,
		},
		{
			start:      1,
			turn:       199,
			want:       0,
			wantClicks: 2,
		},
	}
	for _, tt := range tests {
		name := fmt.Sprintf("R%d", tt.turn)
		if tt.turn < 0 {
			name = fmt.Sprintf("L%d", -tt.turn)
		}
		t.Run(name, func(t *testing.T) {
			d := dial{n: tt.start}
			d.Add2(tt.turn)
			assert.Equal(t, tt.want, d.n, "dial")
			assert.Equal(t, tt.wantClicks, d.zeroClicks, "clicks")
		})
	}
}