package service

import (
	"testing"
)

func TestCalculateBuff(t *testing.T) {
	tests := []struct {
		likeCount int
		expected   int
	}{
		{0, 0},
		{4, 0},
		{5, 10},
		{9, 10},
		{10, 20},
		{29, 20},
		{30, 30},
		{100, 30},
	}

	for _, tt := range tests {
		result := CalculateBuff(tt.likeCount)
		if result != tt.expected {
			t.Errorf("CalculateBuff(%d) = %d, want %d", tt.likeCount, result, tt.expected)
		}
	}
}